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Publications

研究業績



研究業績


発表論文や学生の受賞等、樋口および樋口研究室の研究業績です。
以下のメニューからお選びください。

研究業績件数一覧

レフェリーつきジャーナル論文

レフェリーつき国際会議論文

その他発表論文・著書・特許等

学生の受賞



研究業績件数一覧

種別 件数
レフェリーつきジャーナル論文 105件
レフェリーつき国際会議論文 256件
電子情報通信学会大会 267件
研究報告 380件
国際会議ワークショップ等招待講演 28件
その他レフェリーなし論文 77件
論説、展望、解説等 27件
著書、訳書 6件
特許（公開済み国内特許） 274件

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レフェリーつきジャーナル論文

  1. Nobuhide Nonaka and Kenichi Higuchi, “Angle-domain beam grouping-based beam selection for massive MIMO analog beamforming with NOMA in cellular downlink,” IEICE Trans. Commun., vol. E108-B, no. 7, pp. -, Jul. 2025 (Advance Publication).
  2. Yuta Abekura, Takanori Hara, Satoshi Suyama, Satoshi Nagata, and Kenichi Higuchi, “Adaptive interference restriction among spatial streams based on difference in singular values for PAPR reduction in uplink eigenmode massive MIMO transmission,” IEEE Access, vol. 13, pp. 21520-21532, Jan. 2025.
  3. Asuka Kakehashi and Kenichi Higuchi, “Joint PAPR reduction using null space in MIMO channel and predistortion for MIMO-OFDM signals in multi-antenna AF-type relay transmission,” IEICE Trans. Commun., vol. E108-B, no. 1, pp. 120-131, Jan. 2025.
  4. Daisuke Ishii, Takanori Hara, and Kenichi Higuchi, “Throughput maximization-based AP clustering methods in downlink cell-free MIMO under partial CSI condition,” IEICE Trans. Commun., vol. E107-B, no. 10, pp. 653-660, Oct. 2024.
  5. Jun Saito, Nobuhide Nonaka, and Kenichi Higuchi, “Peak cancellation signal generation considering variance in signal power among transmitter antennas in PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals,” IEICE Trans. Commun., vol. E107-B, no. 10, pp. 661-669, Oct. 2024.
  6. Jun Saito, Takanori Hara, and Kenichi Higuchi, “Efficient parallel PAPR reduction method using null-constrained peak cancellation signal for massive MIMO-OFDM systems,” IEEE Open Journal of the Communications Society, vol. 5, pp. 3544-3555, May 2024.
  7. Asuka Kakehashi, Takanori Hara, and Kenichi Higuchi, “Base station-driven PAPR reduction method utilizing null space for MIMO-OFDM systems with amplify-and-forward relaying,” IEEE Access, vol. 12, pp. 24714-24724, Feb. 2024.
  8. Ryota Kobayashi, Takanori Hara, Yasuaki Yuda, and Kenichi Higuchi, “NOMA-based highly-efficient low-latency HARQ with inter-base station cooperation for URLLC,” IEICE Trans. Commun., vol. E106-B, no. 11, pp. 1219-1227, Nov. 2023.
  9. Ryota Kobayashi, Yasuaki Yuda, and Kenichi Higuchi, “Highly-efficient low-latency HARQ built on NOMA for URLLC: Radio resource allocation and transmission rate control aspects,” IEICE Trans. Commun., vol. E106-B, no. 11, pp. 1015-1023, Nov. 2023.
  10. Megumi Asada, Nobuhide Nonaka, and Kenichi Higuchi, “HARQ using hierarchical tree-structured random access identifiers in NOMA-based random access,” IEICE Trans. Commun., vol. E106-B, no. 8, pp. 696-704, Aug. 2023.
  11. Yuto Muroki, Yotaro Murakami, Yoshihisa Kishiyama, and Kenichi Higuchi, “Random access identifier-linked receiver beamforming with transmitter filtering in TDD-based random access,” IEICE Trans. Commun., vol. E105-B, no. 12, pp. 1548-1558, Dec. 2022.
  12. Junya Tani and Kenichi Higuchi, “Online probabilistic activation control of base stations utilizing temporal system throughput and activation states of neighbor cells for heterogeneous networks,” IEICE Trans. Commun., vol. E105-B, no. 11, pp. 1458-1466, Nov. 2022.
  13. Yuki Sekiguchi, Nobuhide Nonaka, and Kenichi Higuchi, “PAPR reduction of OFDM signals using null space in MIMO channel for MIMO amplify-and-forward relay transmission,” IEICE Trans. Commun., vol. E105-B, no. 9, pp. 1078-1086, Sep. 2022.
  14. Dairoku Muramatsu, Kenta Arai, and Kenichi Higuchi, “A study on floor ground contribution in semi-passive human body communication,” IEICE Communications Express, vol. 11, no. 1, pp. 39-45, Jan. 2022.
  15. Reo Takamatsu, Kenichi Higuchi, Tatsunori Suzuki, and Dairoku Muramatsu, “Electrical properties of fresh human blood at 10 kHz -100 MHz,” IEEJ Trans. Electr. Electron. Eng., vol. 17, no. 4, pp. 1-3, Jan. 2022.
  16. Taku Suzuki, Mikihito Suzuki, and Kenichi Higuchi, “Parallel peak cancellation signal-based PAPR reduction method using null space in MIMO channel for MIMO-OFDM transmission,” IEICE Trans. Commun., vol. E104-B, no. 5, pp. 539-549, May 2021.
  17. Teruaki Shikuma, Yasuaki Yuda, and Kenichi Higuchi, “NOMA-based optimal multiplexing for multiple downlink service channels to maximize integrated system throughput,” IEICE Trans. Commun., vol. E103-B, no. 11, pp. 1367-1374, Nov. 2020.
  18. Fumiya Ishikawa, Keiki Shimada, Yoshihisa Kishiyama, and Kenichi Higuchi, “decentralized probabilistic frequency-block activation control method of base stations for inter-cell interference coordination and traffic load balancing,” IEICE Trans. Commun., vol. E103-B, no. 10, pp. 1172-1181, Oct. 2020.
  19. Taku Suzuki, Mikihito Suzuki, Yoshihisa Kishiyama, and Kenichi Higuchi, “Complexity-reduced adaptive PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals,” IEICE Trans. Commun., vol. E103-B, no. 9, pp. 1019-1029, Sep. 2020.
  20. Masayuki Kawata, Kiichi Tateishi, and Kenichi Higuchi, “Performance evaluation of IDMA-based random access with various structures of interference canceller,” IEICE Trans. Commun., vol. E103-B, no. 9, pp. 1030-1037, Sep. 2020.
  21. Mamoru Sawahashi and Kenichi Higuchi, “Radio access technologies for broadband mobile communications,” IEICE Trans. Commun., vol. E100-B, no. 9, pp. 1674-1687, Sep. 2017.
  22. Kenichi Higuchi and Yasuaki Yuda, “Decentralized iterative user association method for (p, α)-proportional fair-based system throughput maximization in heterogeneous cellular networks,” IEICE Trans. Commun., vol. E100-B, no. 8, pp. 1323-1333, Aug. 2017.
  23. Yoshitaka Ikeda, Shozo Okasaka, and Kenichi Higuchi, “Joint optimization of user association and inter-cell interference coordination for proportional fair-based system throughput maximization in heterogeneous cellular networks,” IEICE Trans. Commun., vol. E100-B, no. 8, pp. 1334-1342, Aug. 2017.
  24. Sho Takano and Kenichi Higuchi, “performance evaluation of joint power and frequency-domain inter-cell interference coordination in heterogeneous networks,” Journal of Signal Processing, vol. 21, no. 4, pp. 149-153, Jul. 2017.
  25. Soya Matsui, Kota Ito, and Kenichi Higuchi, “Investigation on power control algorithm in joint control method of autonomous cell association and power control for heterogeneous networks,” Journal of Signal Processing, vol. 20, no. 4, pp. 191-195, Jul. 2016.
  26. Xiaoming Dai, Kenichi Higuchi, Zhongshan Zhang, Keping Long, Xu Jin, Xiangming Li, and Weiguo Ma, “Enhancing the performance of the quasi-ML receiver (detector plus decoder) for coded MIMO systems via statistical information,” IEEE Transactions on Vehicular Technology, vol. 65, no. 5, pp. 3765-3771, May 2016.
  27. Kenichi Higuchi and Yoshihisa Kishiyama, “Non-orthogonal multiple access using intra-beam superposition coding and successive interference cancellation for cellular MIMO downlink,” IEICE Trans. Commun., vol. E98-B, no. 9, pp. 1888-1895, Sep. 2015.
  28. Nobuhide Nonaka, Yoshihisa Kishiyama, and Kenichi Higuchi, “Non-orthogonal multiple access using intra-beam superposition coding and SIC in base station cooperative MIMO cellular downlink,” IEICE Trans. Commun., vol. E98-B, no. 8, pp. 1651-1659, Aug. 2015.
  29. Nobuhide Nonaka, Anass Benjebbour, and Kenichi Higuchi, “Base station cooperative multiuser MIMO using block-diagonalized random beamforming with online update,” IEICE Trans. Commun., vol. E98-B, no. 8, pp. 1622-1629, Aug. 2015.
  30. Kenichi Higuchi, Yoshiko Saito, and Seigo Nakao, “Inter-cell interference coordination method based on coordinated inter-cell interference power control in uplink,” IEICE Trans. Commun., vol. E98-B, no. 7, pp. 1357-1362, Jul. 2015.
  31. Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, and Mamoru Sawahashi, “Performance evaluations of transmit diversity schemes with synchronization signals for LTE downlink,” IEICE Trans. Commun., vol. E98-B, no. 6, pp. 1110-1124, Jun. 2015.
  32. Kenichi Higuchi and Anass Benjebbour, “Non-orthogonal multiple access (NOMA) with successive interference cancellation for future radio access,” IEICE Trans. Commun., vol. E98-B, no. 3, pp. 403-414, Mar. 2015.
  33. Nagisa Otao, Yoshihisa Kishiyama, and Kenichi Higuchi, “Performance of non-orthogonal multiple access with SIC in cellular downlink using proportional fair-based resource allocation,” IEICE Trans. Commun., vol. E98-B, no. 2, pp. 344-351, Feb. 2015.
  34. Yusuke Oshima, Anass Benjebbour, and Kenichi Higuchi, “A novel adaptive interference admission control method for layered partially non-orthogonal block diagonalization for base station cooperative MIMO,” IEICE Trans. Commun., vol. E97-B, no. 1, pp. 155-163, Jan. 2014.
  35. Shoki Inoue, Teruo Kawamura, and Kenichi Higuchi, “Throughput/ACLR performance of CF-based adaptive PAPR reduction method for eigenmode MIMO-OFDM signals with AMC,” IEICE Trans. Commun., vol. E96-B, no. 9, pp. 2293-2300, Sep. 2013.
  36. Yoshinari Sato, Masao Iwasaki, Shoki Inoue, and Kenichi Higuchi, “Clipping and filtering-based adaptive PAPR reduction method for precoded OFDM-MIMO signals,” IEICE Trans. Commun., vol. E96-B, no. 9, pp. 2270-2280, Sep. 2013.
  37. Kiichi Tateishi and Kenichi Higuchi, “Adaptive amplify-and-forward relaying for cellular downlink,” IEICE Trans. Commun., vol. E96-B, no. 7, pp. 1968-1975, Jul. 2013.
  38. Tetsunosuke Koizumi and Kenichi Higuchi, “A simple decentralized cell association method for heterogeneous networks,” IEICE Trans. Commun., vol. E96-B, no. 6, pp. 1358-1366, Jun. 2013.
  39. Yuki Tajika, Hidekazu Taoka, and Kenichi Higuchi, “Partially non-orthogonal block diagonalization-based precoding in downlink multiuser MIMO with limited channel state information feedback,” IEICE Trans. Commun., vol. E94-B, no. 12, pp. 3280-3288, Dec. 2011.
  40. Kouji Nagatomi, Hiroyuki Kawai, and Kenichi Higuchi, “Complexity-reduced MLD based on QR decomposition in OFDM MIMO multiplexing with frequency domain spreading and code multiplexing,” EURASIP Journal on Advances in Signal Processing, vol. 2011, Article ID 525829, 15 pages, 2011. doi:10.1155/2011/525829.
  41. Hiroyuki Kawai, Akihito Morimoto, Kenichi Higuchi, and Mamoru Sawahashi, “Investigation of inter-Node B macro diversity for single-carrier based radio access in Evolved UTRA uplink,” IEICE Trans. Commun., vol. E93-B, no. 1, pp. 125-134, Jan. 2010.
  42. Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, and Mamoru Sawahashi, “Layered OFDMA and its radio access techniques for LTE-Advanced,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1743-1750, May 2009.
  43. Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, and Mamoru Sawahashi, “Experiments on handover using combination of bicast and forwarding of IP packet for future IP-based RANs,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1735-1742, May 2009.
  44. Hidekazu Taoka, Kenichi Higuchi, and Mamoru Sawahashi, “Field experiments on real-time 1-Gbps high-speed packet transmission in MIMO-OFDM broadband packet radio access,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1725-1734, May 2009.
  45. Shohei Tsuchida, Mamoru Sawahashi, Hidekazu Taoka, and Kenichi Higuchi, “Field experiments on open-loop type transmit diversity in OFDM radio access,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1705-1713, May 2009.
  46. Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Single-carrier based multiplexing of layer 1 / layer 2 control signals in Evolved UTRA uplink using DFT-spread OFDM,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1695-1704, May 2009.
  47. Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Investigations on physical random access channel structure in Evolved UTRA uplink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1688-1694, May 2009.
  48. Hidekazu Taoka, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Comparisons between common and dedicated reference signals for MIMO multiplexing using precoding in Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1669-1679, May 2009.
  49. Satoshi Nagata, Yoshiaki Ofuji, Yoshihisa Kishiyama, Nobuhiko Miki, Kenichi Higuchi, and Mamoru Sawahashi, “Block-wise resource block-level distributed transmission for shared data channel in OFDMA Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1660-1668, May 2009.
  50. Akihito Morimoto, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, and Mamoru Sawahashi, “Performance evaluations of MBMS signals using transmit/receiver diversity with SFN in OFDM based Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1649-1659, May 2009.
  51. Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Investigation of inter-cell transmission power control using overload indicator for selected users for Evolved UTRA uplink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1634-1640, May 2009.
  52. Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Investigation on optimum control interval for intra-cell fractional TPC using AMC for shared channel in Evolved UTRA uplink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1627-1633, May 2009.
  53. Satoshi Nagata, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Cell search time comparison using hierarchical and non-hierarchical synchronization channels in OFDM based Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1608-1618, May 2009.
  54. Hidekazu Taoka, Akihito Morimoto, Hiroyuki Kawai, Kenichi Higuchi, and Mamoru Sawahashi, “Coverage performance of common/shared control signals using transmit diversity in Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1589-1599, May 2009.
  55. Takashi Isogai, Mamoru Sawahashi, Hidekazu Taoka, and Kenichi Higuchi, “Influence of channel estimation error on MIMO multiplexing using precoding in downlink OFDM radio access,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1553-1562, May 2009.
  56. Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi, and Masao Nakagawa, “Optimum adaptive modulation and channel coding scheme for frequency domain channel-dependent scheduling in OFDM based Evolved UTRA downlink,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1527-1537, May 2009.
  57. Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi, and M. Nakagawa, “Experimental evaluation of time diversity effect in hybrid ARQ considering space and path diversity for downlink OFDM-based broadband radio access,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1516-1526, May 2009.
  58. Naoto Okubo, Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Performance comparison between turbo code and rate-compatible LDPC code for Evolved UTRA downlink OFDM radio access,” IEICE Trans. Commun., vol. E92-B, no. 5, pp. 1504-1515, May 2009.
  59. Kenichi Higuchi, Hiroyuki Kawai, Hidekazu Taoka, Noriyuki Maeda, and Mamoru Sawahashi, “Adaptive selection of surviving symbol replica candidates for quasi-maximum likelihood detection using M-algorithm with QR-decomposition for OFDM MIMO multiplexing,” IEICE Trans. Commun., vol. E92-B, no. 4, pp. 1258-1271, Apr. 2009.
  60. Xiaoming She, Jingxiu Liu, Lan Chen, Hidekazu Taoka, and Kenichi Higuchi, “Multi-codebook based beamforming and scheduling for MIMO-OFDM systems with limited feedback,” IEICE Trans. Commun., vol. E91-B, no. 11, pp. 3745-3748, Nov. 2008.
  61. Hidekazu Taoka, Ki Dai, Kenichi Higuchi, and Mamoru Sawahashi, “Field experiments on MIMO multiplexing with peak frequency efficiency of 50 bit/second/Hz using MLD based signal detection for OFDM high-speed packet access,” IEEE J. Select. Areas Commun., vol.26, no. 6, pp.845-856, Aug. 2008.
  62. Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, and Mamoru Sawahashi, “Orthogonal pilot channel using combination of FDMA and CDMA in single-carrier FDMA-based evolved UTRA uplink,” IEICE Trans. Commun., vol. E91-B, no. 7, pp. 2299-2309, Jul. 2008.
  63. Yiqing Zhou, Jiangzhou Wang, Tung-Sang Ng, Kenichi Higuchi, and Mamoru Sawahashi, “OFCDM – A promising wireless broadband access technique”, IEEE Communications Magazine, vol. 46, no. 3, pp. 38-49, Mar. 2008.
  64. Motohiro Tanno, Kenichi Higuchi, Satoshi Nagata, Yoshihisa Kishiyama, and Mamoru Sawahashi, “Physical channel structures and cell search method for scalable bandwidth for OFDM radio access in Evolved UTRA downlink,” IEICE Trans. Commun., vol. E90-B, no. 12, pp. 3622-3631, Dec. 2007.
  65. Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, and Mamoru Sawahashi, “Iterative signal processing for coded LSTF architectures,” IEEE Trans. on Wireless Commun., vol. 6, no. 10, pp. 3712-3716, Oct. 2007.
  66. Seizo Onoe, Takehiro Nakamura, and Kenichi Higuchi, “3G evolution scenario toward 4G: Super 3G concept,” Wiley InterScience Wirel. Commun. Mob. Comput., vol. 7, Issue 8, pp. 1013–1019, May 2007.
  67. Hidekazu Taoka, Kenichi Higuchi, and Mamoru Sawahashi, “Experiments on space diversity effect in MIMO channel transmission with maximum data rate of 1 Gbps in downlink OFDM radio access,” European Transactions on Telecommunications (ETT), the 5th Special Issue on Multi-Carrier-Spread-Spectrum, Sep./Oct. 2006.
  68. Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Hidekazu Taoka, and Mamoru Sawahashi, “Experiments on real-time 1-Gb/s packet transmission using MLD-based signal detection in MIMO-OFDM broadband radio access,” IEEE J. Select. Areas Commun., vol. 24, no. 6, pp. 1141-1153, Jun. 2006.
  69. Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, and Mamoru Sawahashi, “Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing,” IEEE J. Select. Areas Commun., vol. 24, no. 6, pp. 1130-1140, Jun. 2006.
  70. Yoshihisa Kishiyama, Noriyuki Maeda, Hiroyuki Atarashi, Kenichi Higuchi, and Mamoru Sawahashi, “Effect of two-dimension spreading for VSF-OFCDM broadband packet wireless access in forward link,” Journal of the Japan Society for Simulation Technology, vol. 24, no. 2, pp. 4-13, Jun. 2005. (in Japanese)
  71. Yoshihisa Kishiyama, Noriyuki Maeda, Kenichi Higuchi, Hiroyuki Atarashi, and Mamoru Sawahashi, “Field experiments on throughput performance above 100 Mbps in forward link for VSF-OFCDM broadband wireless access,” IEICE Trans. Commun., vol. E88-B, no. 2, pp. 604-614, Feb. 2005.
  72. Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, and Hiroyuki Seki, “Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel,” IEICE Trans. Commun., vol. E88-B, no. 1, pp. 47-57, Jan. 2005.
  73. Motohiro Tanno, Hiroyuki Atarashi, Kenichi Higuchi, and Mamoru Sawahashi, “Fast cell search algorithm for overlay system with cellular and isolated cells in forward link for OFCDM broadband wireless access,” IEICE Trans. Commun., vol. E88-B, no. 1, pp. 159-169, Jan. 2005.
  74. Junichiro Kawamoto, Takahiro Asai, Kenichi Higuchi, and Mamoru Sawahashi, “Independent turbo coding and common interleaving method among transmitter branches achieving peak throughput of 1 Gbps in OFCDM MIMO multiplexing,” ETRI Journal, vol. 26, no. 5, pp. 375-383, Oct. 2004.
  75. Akhmad Unggul Priantoro, Heiichi Yamamoto, Kenichi Higuchi, and Mamoru Sawahashi, “Antenna verification method for multipath interference canceller based on replica generation per transmit antenna with phase control transmit diversity in W-CDMA forward link,” IEICE Trans. Commun., vol. E87-B, no. 8, pp. 2250-2263, Aug. 2004.
  76. Takahiro Asai, Kenichi Higuchi, and Mamoru Sawahashi, “Experimental evaluation on throughput performance of adaptive modulation and channel coding and hybrid ARQ in HSDPA,” IEICE Trans. Fundamentals. vol. E86-A, no. 7, pp. 1656-1668, Jul. 2003.
  77. Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, and Mamoru Sawahashi, “Experimental evaluation of coherent adaptive antenna array diversity receiver employing optical fiber interface in IF stage,” IEICE Trans. Fundamentals. vol. E86-A, no. 7, pp. 1676-1688, Jul. 2003.
  78. Motohiro Tanno, Hiroyuki Atarashi, Kenichi Higuchi, and Mamoru Sawahashi, “Three-step cell search algorithm exploiting common pilot channel for OFCDM broadband wireless access,” IEICE Trans. Commun., vol. E86-B, no. 1, pp. 325-334, Jan. 2003.
  79. Hidekazu Taoka, Shinya Tanaka, Taisuke Ihara, Kenichi Higuchi, and Mamoru Sawahashi, “Experiments on coherent adaptive antenna array diversity receiver based on antenna-weight generation common to paths in W-CDMA reverse link,” IEICE Trans. Commun., vol. E86-B, no. 1, pp. 191-205, Jan. 2003.
  80. Kenichi Higuchi, Koichi Okawa, Mamoru Sawahashi, and Fumiyuki Adachi, “Field experiments on pilot symbol-assisted coherent multistage interference canceller in DS-CDMA reverse link,” IEICE Trans. Commun., vol. E86-B, no. 1, pp. 181-190, Jan. 2003.
  81. Yukiko Ishii, Kenichi Higuchi, and Mamoru Sawahashi, “Three-step cell search algorithm employing synchronization and common pilot channels for OFCDM broadband wireless access,” IEICE Trans. Commun., vol. E85-B, no. 12, pp. 2672-2683, Dec. 2002.
  82. Kenichi Higuchi, Takehiro Ikeda, Satoru Fukumoto, Mamoru Sawahashi, and Fumiyuki Adachi, “Experimental evaluations of high rate data transmission using turbo/convolutional coding in W-CDMA mobile radio,” IEICE Trans. Commun., vol. E85-B, no. 12, pp. 2750-2759, Dec. 2002.
  83. Akihiro Fujiwara, Kenichi Higuchi, and Mamoru Sawahashi, “SIR measurement with data channel transmission gap using multipath interference canceller for high-speed packet transmission in W-CDMA forward link,” IEICE Trans. Fundamentals, vol. E85-A, no. 7, pp. 1546-1556, Jul. 2002.
  84. Akhmad Unggul Priantoro, Heiichi Yamamoto, Kenichi Higuchi, and Mamoru Sawahashi, “multipath interference canceller for orthogonal code-multiplexed channels and its performance in W-CDMA forward link,” IEICE Trans. Fundamentals, vol. E85-A, no. 7, pp. 1524-1535, Jul. 2002.
  85. Kenichi Higuchi, Yukiko Hanada, Mamoru Sawahashi, and Fumiyuki Adachi, “Experimental evaluation of three-step cell search method in W-CDMA mobile communications,” IEICE Trans. Fundamentals, vol. E85-A, no. 7, pp. 1511-1523, Jul. 2002.
  86. Kenichi Higuchi, Akihiro Fujiwara, and Mamoru Sawahashi, “Multipath interference canceller for high-speed packet transmission with adaptive modulation and coding scheme in W-CDMA forward link,” IEEE J. Select. Areas Commun., vol. 20, no. 2, pp. 419-432, Feb. 2002.
  87. Mamoru Sawahashi, Hidehiro Andoh, Kenichi Higuchi, and Fumiyuki Adachi, “Experiments on pilot symbol-assisted coherent multistage interference canceller for DS-CDMA mobile radio,” IEEE J. Select. Areas Commun., vol. 20, no. 2, pp. 433-449, Feb. 2002.
  88. Satoru Fukumoto, Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on space time block coding transmit diversity (STTD) in W-CDMA forward link,” IEICE Trans. Fundamentals, vol. E84-A, no. 12, pp. 3045-3057, Dec. 2001.
  89. Akihito Morimoto, Kenichi Higuchi, Satoru Fukumoto, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on inter-sector diversity using maximal ratio combining in W-CDMA reverse link,” IEICE Trans. Fundamentals, vol. E84-A, no. 12, pp. 3012-3025, Dec. 2001.
  90. Mamoru Sawahashi, Kenichi Higuchi, Hiroyuki Atarashi, and Nobuhiko Miki, “High-speed packet wireless access in W-CDMA and its radio link performance,” IEICE Trans. Commun., vol. J84-B, no. 10, pp. 1725-1745, Oct. 2001. (in Japanese)
  91. Koichi Okawa, Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Outer loop control of fast transmit power control based on intermediate block error rate in concatenated channel coding for DS-CDMA mobile radio,” IEICE Trans. Fundamentals, vol. E84-A, no. 7, pp. 1691-1701, Jul. 2001.
  92. Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, and Fumiyuki Adachi, “Improvements in W-CDMA: principles and experimental results,” Annals of Telecommunications, tome 56, no. 5-6, pp. 236-259, May/Jun. 2001.
  93. Akihito Morimoto, Kenichi Higuchi, Satoru Fukumoto, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on inter-cell site diversity using two-step selection combining in W-CDMA reverse link,” IEICE Trans. Commun., vol. E84-B, no. 3, pp. 435-445, Mar. 2001.
  94. Koichi Okawa, Kenichi Higuchi, and Mamoru Sawahashi, “Parallel-type coherent multi-stage interference canceller with iterative channel estimation using both pilot and decision-feedback date symbols for W-CDMA mobile radio,” IEICE Trans. Commun., vol. E84-B, no. 3, pp. 446-456, Mar. 2001.
  95. Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, and Fumiyuki Adachi, “Enhanced wireless access technologies and experiments for W-CDMA communications,” IEEE Personal Communications, vol. 7, pp. 6-16, Dec. 2000.
  96. Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on fast cell search algorithm using scrambling code masking for inter-cell asynchronous W-CDMA system,” IEICE Trans. Fundamentals, vol. E83-A, no. 11, pp. 2102-2109, Nov. 2000.
  97. Satoru Fukumoto, Koichi Okawa, Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Path search performance and its parameter optimization of pilot symbol-assisted coherent rake receiver for W-CDMA mobile radio,” IEICE Trans. Fundamentals, vol. E83-A, no. 11, pp. 2110-2119, Nov. 2000.
  98. Kenichi Higuchi, Hidehiro Andoh, Koichi Okawa, Mamoru Sawahashi, and Fumiyuki Adachi, “Experimental evaluation of combined effect of coherent Rake combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio,” IEEE J. Select. Areas Commun., vol. 18, no. 8, pp. 1526-1535, Aug. 2000.
  99. Koichi Okawa, Satoru Fukumoto, Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on 2-Mbps data transmission applying antenna diversity reception over 5-MHz W-CDMA mobile radio link,” IEICE Trans. Commun., vol. E83-B, no. 8, pp. 1602-1609, Aug. 2000.
  100. Yukiko Hanada, Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Fast cell search algorithm in idle mode for inter-cell asynchronous W-CDMA mobile radio,” IEICE Trans. Commun., vol. E83-B, no. 8, pp. 1610-1618, Aug. 2000.
  101. Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Experiments on fast cell search algorithm for inter-cell asynchronous W-CDMA mobile radio,” IEE Electron. Lett., vol. 35, no. 13, pp. 1046-1047, Jun. 1999.
  102. Kenichi Higuchi, Mamoru Sawahashi, and Fumiyuki Adachi, “Fast cell search algorithm in inter-cell asynchronous DS-CDMA mobile radio,” IEICE Trans. Commun., vol. E81-B, no. 7, pp. 1527-1534, Jul. 1998.
  103. Mamoru Sawahashi, Hidehiro Andoh, and Kenichi Higuchi, “Interference rejection weight control for pilot symbol-assisted coherent multistage interference canceller using recursive channel estimation in DS-CDMA mobile radio,” IEICE Trans. Fundamentals, vol. E81-A, no. 5, pp. 957-972, May 1998.
  104. Mamoru Sawahashi, Yoshinori Miki, Hidehiro Andoh, and Kenichi Higuchi, “Pilot symbol-assisted coherent multistage interference canceller using recursive channel estimation for DS-CDMA mobile radio,” IEICE Trans. Commun., vol. E79-B, no. 9, pp. 1262-1270, Sep. 1996.
  105. Mamoru Sawahashi, Yoshinori Miki, Hidehiro Andoh, and Kenichi Higuchi, “Pilot symbol-assisted coherent multistage interference canceller using recursive channel estimation for DS-CDMA mobile radio,” IEE Electron. Lett., vol. 32, no. 4, pp. 301-302, Feb. 1996.

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レフェリーつき国際会議論文

  1. M. Maruyama, T. Hara, and K. Higuchi, “Efficient channel estimation utilizing channel sparsity in the delay domain for OTFS systems,” to appear in Proc. IEEE 101st Vehicular Technology Conference (VTC2025-Spring), Oslo, Norway, 17-20 Jun. 2025.
  2. R. Iizuka, Y. Yuda, and K. Higuchi, “Simple delay and channel-aware scheduling method in round-trip wireless communication for feedback control,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC 2025), Milan, Italy, 24–27 Mar. 2025.
  3. R. Tsutsui, T. Hara, Y. Hokazono, S. Suyama, S. Nagata, and K. Higuchi, “Inter-network interference coordination using protected band in co-existing networks with HAPS and terrestrial BSs,” in Proc. IEEE Wireless Communications and Networking Conference 2025 (WCNC 2025), Milan, Italy, 24–27 Mar. 2025.
  4. E. Yoshimura, T. Hara, K. Ueda, K. Ishibashi, and K. Higuchi, “Differential modulation based non-coherent grant-free NOMA under timing offsets,” in Proc. IEEE Wireless Communications and Networking Conference 2025 (WCNC 2025), Milan, Italy, 24–27 Mar. 2025.
  5. S. Ikeda, T. Hara, Y. Hokazono, S. Suyama, S. Nagata, and K. Higuchi, “Decentralized user association method to maximize system-level throughput satisfaction rate in co-existing networks with HAPS and terrestrial BSs,” in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington DC, USA, 7-10 Oct. 2024.
  6. K. Maeda, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “Autonomous decentralized TRP group selection to maximize system throughput in downlink distributed MIMO system,” in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington DC, USA, 7-10 Oct. 2024.
  7. A. Matsumoto, N. Nonaka, T. Hara, and K. Higuchi, “Beam selection method based on angle-domain adaptive beam grouping for massive MIMO analog beamforming using NOMA in cellular downlink,” in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington DC, USA, 7-10 Oct. 2024.
  8. Y. Shishido, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “Distributed DQN-based frequency block-dependent sleep control of base stations for improving energy efficiency both in up and downlinks,” in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington DC, USA, 7-10 Oct. 2024.
  9. Y. Yagi, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “Autonomous decentralized TRP group selection and bandwidth allocation in downlink distributed MIMO with overlapped TRP group configuration,” in Proc. IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington DC, USA, 7-10 Oct. 2024.
  10. R. Iizuka, T. Hara, Y. Yuda, and K. Higuchi, “Highly-efficient low-latency scheduling method in round-trip communication for feedback control,” in Proc. IEEE 99th Vehicular Technology Conference (VTC2024-Spring), Singapore, 24-27 Jun. 2024.
  11. S. Taguchi, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “PAPR reduction using average transmit signal power difference among transmit antennas for massive MIMO-OFDM with uniform planar array,” in Proc. IEEE 99th Vehicular Technology Conference (VTC2024-Spring), Singapore, 24-27 Jun. 2024.
  12. R. Yamazaki, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “PAPR reduction method based on commonly reserved tones among multiple users in FDMA uplink,” in Proc. IEEE 99th Vehicular Technology Conference (VTC2024-Spring), Singapore, 24-27 Jun. 2024.
  13. H. Fujimoto, T. Hara, and K. Higuchi, “Transmitter filtering-aided sparse activity detection for TDD-based random access,” in Proc. International Conference on Computing, Networking and Communications (ICNC 2024), Big Island, Hawaii, USA, 19-22 Feb. 2024.
  14. J. Saito, T. Hara, and K. Higuchi, “Peak cancellation signal-based parallel PAPR reduction method using low-dimensional null space in massive MIMO-OFDM,” in Proc. International Conference on Computing, Networking and Communications (ICNC 2024), Big Island, Hawaii, USA, 19-22 Feb. 2024.
  15. Y. Abekura and K. Higuchi, “PAPR reduction utilizing difference in singular values among spatial channels in uplink eigenmode massive MIMO transmission,” in Proc. 57th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, USA, 29 Oct.-1 Nov. 2023.
  16. E. Yoshimura, T. Hara, and K. Higuchi, “Integration of index and differential modulation for non-coherent grant-free NOMA,” in Proc. 57th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, USA, 29 Oct.-1 Nov. 2023.
  17. A. Kakehashi and K. Higuchi, “PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals at multiple-antenna AF relay station considering direct link from base station to user equipment,” in Proc. IEEE 12th Global Conference on Consumer Electronics (GCCE 2023), pp. 170-171, Nara, Japan, 10-13 Oct. 2023.
  18. H. Kuwahara, T. Hara, Y. Muroki, S. Nagata, and K. Higuchi, “Energy-efficient frequency block-dependent base station sleep control based on a decentralized probabilistic approach,” in Proc. IEEE 98th Vehicular Technology Conference (VTC2023-Fall), Hong Kong, 10-13 Oct. 2023.
  19. H. Kato, T. Hara, S. Suyama, S. Nagata, and K. Higuchi, “Low-complexity user-centric AP clustering method in downlink cell-free MIMO with regularized ZF-based beamforming,” in Proc. IEEE 98th Vehicular Technology Conference (VTC2023-Fall), Hong Kong, 10-13 Oct. 2023.
  20. D. Ishii, T. Hara, N. Nonaka, and K. Higuchi, “Clustering method in downlink cell-free MIMO using layered partially non-orthogonal ZF-based beamforming,” in Proc. IEEE 97th Vehicular Technology Conference (VTC2023-Spring), Florence, Italy, 20-23 Jun. 2023.
  21. J. Saito, N. Nonaka, and K. Higuchi, “PAPR reduction using null space in MIMO channel considering signal power difference among transmitter antennas,” in Proc. IEEE Wireless Communications and Networking Conference 2023 (WCNC 2023), Glasgow, Scotland, UK, 26-29 Mar. 2023.
  22. K. Yanai, T. Hara, N. Nonaka, and K. Higuchi, “HARQ using hierarchical tree-structured random access identifiers with random retransmission time back-off in NOMA-based random access,” in Proc. IEEE 96th Vehicular Technology Conference (VTC2022-Fall), London and Beijing, 26-29 Sep. 2022.
  23. G. Takita, T. Hara, Y. Yuda, and K. Higuchi, “Repetition-based NOMA-HARQ with adaptive termination for URLLC,” in Proc. IEEE 96th Vehicular Technology Conference (VTC2022-Fall), London and Beijing, 26-29 Sep. 2022.
  24. K. Matsumoto, T. Hara, Y. Yuda, and K. Higuchi, “Autonomous decentralized user association method to maximize integrated system throughput for multi-service coexistence,” in Proc. IEEE 96th Vehicular Technology Conference (VTC2022-Fall), London and Beijing, 26-29 Sep. 2022.
  25. D. Kato, Y. Muroki, N. Nonaka, and K. Higuchi, “Activation control of base stations based on multi-agent DQN for heterogeneous networks,” in Proc. IEEE 96th Vehicular Technology Conference (VTC2022-Fall), London and Beijing, 26-29 Sep. 2022.
  26. A. Kakehashi, N. Nonaka, and K. Higuchi, “PAPR reduction using null space in MIMO channel based on signal processing at base station for downlink AF-based relaying MIMO-OFDM signals,” in Proc. IEEE 96th Vehicular Technology Conference (VTC2022-Fall), London and Beijing, 26-29 Sep. 2022.
  27. M. Asada, N. Nonaka, and K. Higuchi, “HARQ using hierarchical tree-structured physical channel identifiers in NOMA-based random access for multi-packet reception,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  28. R. Kobayashi, Y. Yuda, and K. Higuchi, “NOMA-based highly-efficient low-latency HARQ method for URLLC,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  29. Y. Sekiguchi, N. Nonaka, and K. Higuchi, “PAPR reduction using null space in MIMO channel for MIMO-OFDM signals in multiple-antenna AF relay transmission,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  30. J. Tani and K. Higuchi, “Online probabilistic activation control of base stations utilizing temporal system throughput and activation states of neighbor cells,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  31. S. Uchida, N. Nonaka, and K. Higuchi, “Investigation of transmitter filtering method for random access with channel identifier linked receiver beamforming,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  32. K. Watanuki and K. Higuchi, “Computationally-efficient preamble design appropriate for random access achieving multi-packet reception,” in Proc. IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Virtual conference, 27 Sep.-28 Oct. 2021.
  33. T. Shobudani, M. Sawahashi, K. Higuchi, and Y. Kishiyama, “Faster-than-Nyquist signaling assigning increased resources to parity bits for turbo-coded OFDM,” in Proc. 2021 17th International Symposium on Wireless Communication Systems (ISWCS 2021), Virtual conference, 6-9 Sep. 2021.
  34. R. Takamatsu, K. Higuchi, and D. Muramatsu, “Measurement frequency evaluation for bioimpedance-based blood-glucose estimation,” in Proc. The 3rd IEEE Global Conference on Life Sciences and Technologies (LifeTech 2021), Nara, Japan, 9-11 Mar. 2021.
  35. Y. Muroki, Y. Murakami, Y. Kishiyama, and K. Higuchi, “Interleaver-linked receiver beamforming with transmitter channel equalization in TDD-IDMA-based random access,” in Proc. IEEE 92nd Vehicular Technology Conference (VTC2020-Fall), Virtual conference, 18 Nov.-16 Dec. 2020.
  36. S. Shin, N. Nonaka, and K. Higuchi, “User group selection method in multiuser MIMO-OFDM transmission with adaptive PAPR reduction using null space in MIMO channel,” in Proc. IEEE 92nd Vehicular Technology Conference (VTC2020-Fall), Virtual conference, 18 Nov.-16 Dec. 2020.
  37. L. Yamaguchi, N. Nonaka, and K. Higuchi, “PC-signal-based PAPR reduction using null space in MIMO channel for MIMO-OFDM signals under frequency-selective fading channel,” in Proc. IEEE 92nd Vehicular Technology Conference (VTC2020-Fall), Virtual conference, 18 Nov.-16 Dec. 2020.
  38. R. Takamatsu, K. Higuchi, and D. Muramatsu, “In vitro measurement of electrical properties of human blood for non-invasive glycemia monitoring,” in Proc. 42nd Annual International Conferences of the IEEE Engineering in Medicine and Biology Society (EMBC 2020), Virtual conference, 20-24 Jul. 2020.
  39. T. Shikuma, Y. Yuda, and K. Higuchi, “NOMA-based inter-base station cooperative scheduling method among multiple service channels to maximize integrated system throughput,” in Proc. IEEE 91st Vehicular Technology Conference (VTC2020-Spring), Antwerp, Belgium (changed to virtual conference), 25-28 May 2020.
  40. T. Suzuki, M. Suzuki, Y. Kishiyama, and K. Higuchi, “Parallelly processed peak cancellation signal-based PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals,” in Proc. IEEE 91st Vehicular Technology Conference (VTC2020-Spring), Antwerp, Belgium (changed to virtual conference), 25-28 May 2020.
  41. M. Kawata, T. Miyata, Y. Kishiyama, and K. Higuchi, “Inter-cell coordinated transmission power control for IDMA-based random access,” in Proc. 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2019), Taipei, Taiwan, 3-6 Dec. 2019.
  42. K. Miura, Y. Kishiyama, and K. Higuchi, “Low latency HARQ method using early retransmission before channel decoding based on superposition coding,” in Proc. 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2019), Taipei, Taiwan, 3-6 Dec. 2019.
  43. T. Tomizawa, Y. Kishiyama, and K. Higuchi, “Performance evaluation of IDMA-based random access considering user detection and channel estimation,” in Proc. 2019 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2019), Taipei, Taiwan, 3-6 Dec. 2019.
  44. F. Ishikawa, Y. Kishiyama, and K. Higuchi, “Decentralized probabilistic frequency-block activation control for inter-cell interference coordination and traffic load balancing,” in Proc. IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, USA, 22-25 Sep. 2019.
  45. T. Shikuma, Y. Yuda, and K. Higuchi, “NOMA-based optimal multiplexing method for downlink service channels to maximize integrated system throughput,” in Proc. IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, USA, 22-25 Sep. 2019.
  46. K. Taniyama, Y. Kishiyama, and K. Higuchi, “Low latency HARQ method using early retransmission prior to channel decoding with multistage decision,” in Proc. IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, USA, 22-25 Sep. 2019.
  47. N. Uji, Y. Kishiyama, and K. Higuchi, “Online probabilistic activation control of base stations considering both uplink and downlink system throughput,” in Proc. IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, USA, 22-25 Sep. 2019.
  48. Y. Shake, Y. Kishiyama, and K. Higuchi, “Investigation on retransmission scheme for IDMA-based random access,” in Proc. the 16th IEEE Asia Pacific Wireless Communications Symposium (APWCS), Singapore, 28-30 Aug. 2019.
  49. M. Suzuki, T. Suzuki, Y. Kishiyama, and K. Higuchi, “Complexity-reduced algorithm for adaptive PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals,” in Proc. the 16th IEEE Asia Pacific Wireless Communications Symposium (APWCS), Singapore, 28-30 Aug. 2019.
  50. T. Suzuki, M. Suzuki, Y. Kishiyama, and K. Higuchi, “Method for generating peak cancellation signals in complexity-reduced PAPR reduction method using null space in MIMO channel for MIMO-OFDM signals,” in Proc. the 16th IEEE Asia Pacific Wireless Communications Symposium (APWCS), Singapore, 28-30 Aug. 2019.
  51. R. Inaba, Y. Kishiyama, and K. Higuchi, “Frequency block-dependent online probabilistic transmission power control of base stations in heterogeneous networks,” in Proc. the 21st International Symposium on Wireless Personal Multimedia Communications (WPMC 2018), Chiang Rai, Thailand, 25-28 Nov. 2018.
  52. R. Ochiai, Y. Kishiyama, and K. Higuchi, “Adaptive step size control for update of activation probability in online probabilistic BS activation control method,” in Proc. the 21st International Symposium on Wireless Personal Multimedia Communications (WPMC 2018), Chiang Rai, Thailand, 25-28 Nov. 2018.
  53. T. Sakai, Y. Yuda, and K. Higuchi, “Inter-base station cooperative scheduling method among multiple service channels to maximize integrated system throughput,” in Proc. the 21st International Symposium on Wireless Personal Multimedia Communications (WPMC 2018), Chiang Rai, Thailand, 25-28 Nov. 2018.
  54. K. Shimada, Y. Kishiyama, and K. Higuchi, “Frequency block-dependent online probabilistic activation control of base stations in heterogeneous networks,” in Proc. the 21st International Symposium on Wireless Personal Multimedia Communications (WPMC 2018), Chiang Rai, Thailand, 25-28 Nov. 2018.
  55. M. Suzuki, Y. Kishiyama, and K. Higuchi, “Combination of beamforming with per-antenna power constraint and adaptive PAPR reduction method using null space in MIMO channel for multiuser massive MIMO-OFDM transmission,” in Proc. the 21st International Symposium on Wireless Personal Multimedia Communications (WPMC 2018), Chiang Rai, Thailand, 25-28 Nov. 2018.
  56. M. Kawata, K. Tateishi, and K. Higuchi, “Investigation on structure of interference canceller for IDMA-based random access,” in Proc. IEEE 88th Vehicular Technology Conference (VTC2018-Fall), Chicago, USA, 27-30 Aug. 2018.
  57. T. Sakai, Y. Yuda, and K. Higuchi, “Channel-dependent dynamic frequency bandwidth allocation method among service channels to maximize integrated system throughput,” in Proc. IEEE 88th Vehicular Technology Conference (VTC2018-Fall), Chicago, USA, 27-30 Aug. 2018.
  58. M. Iizuka, K. Tateishi, and K. Higuchi, “Adaptive initial interpolation vector setting method in iterative time-domain compression method for MIMO channel state information,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  59. Y. Imamura, D. Muramatsu, Y. Kishiyama, and K. Higuchi, “Low latency hybrid ARQ method using channel state information before channel decoding,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  60. K. Kawai, T. Yamanaka, K. Tateishi, and K. Higuchi, “Investigations on transmitter beamforming control based on firefly algorithm in massive MIMO systems with per-antenna power constraint for system throughput maximization,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  61. Y. Matsumoto, K. Tateishi, and K. Higuchi, “Performance evaluations on adaptive PAPR reduction method using null space in MIMO channel for eigenmode massive MIMO-OFDM signals,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  62. S. Mizuno, D. Muramatsu, Y. Yuda, and K. Higuchi, “Investigation on optimum frequency bandwidth allocation method among service channels for system throughput maximization,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  63. T. Saito and K. Higuchi, “Improved algorithm for online probabilistic transmission power control of base stations based on observed system throughput in heterogeneous networks,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  64. Y. Wakai, K. Tateishi, and K. Higuchi, “Joint optimization method for user association and time/frequency-domain scheduling to maximize system throughput in heterogeneous networks,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  65. T. Yamanaka and K. Higuchi, “Transmitter beamforming control based on firefly algorithm for massive MIMO systems with per-antenna power constraint,” in Proc. the 23rd Asia-Pacific Conference on Communications (APCC 2017), Perth, Australia, 11-13 Dec. 2017.
  66. S. Takano and K. Higuchi, “Performance evaluation of joint power and frequency-domain inter-cell interference coordination in heterogeneous networks,” in Proc. RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2017 (NCSP’17), Guam, USA, 28 Feb.-3 Mar. 2017.
  67. K. Higuchi, “NOMA for future cellular systems,” in Proc. IEEE 84th Vehicular Technology Conference (VTC2016-Fall), Montréal, Canada, 18-21 Sep. 2016.
  68. S. Fukuhara and K. Higuchi, “A study on improvement in convergence rate of adaptive user association method for system throughput maximization,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  69. M. Kimura and K. Higuchi, “Performance evaluation of system-level throughput of NOMA with SIC in cellular MIMO downlink under FTP traffic model,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  70. T. Nabeshima and K. Higuchi, “Iterative time-domain compression method of MIMO channel state information using iterative updates of path selection,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  71. M. Ozeki and K. Higuchi, “On the initial interpolation vector setting for iterative time-domain compression method of MIMO channel state information,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  72. T. Saito and K. Higuchi, “A study on online transmission power control of base stations based on observed system throughput in heterogeneous networks,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  73. K. Takahashi and K. Higuchi, “On the range in inter-base station information exchange in online probabilistic activation control of base stations based on observed system throughput,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  74. S. Takano and K. Higuchi, “Joint power and frequency-domain inter-cell interference coordination in heterogeneous networks,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  75. A. Ujiie and K. Higuchi, “Improved methods for online probabilistic activation control of base stations based on observed system throughput in heterogeneous networks,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  76. T. Yamanaka and K. Higuchi, “A study on transmitter beamforming control based on firefly algorithm for massive MIMO systems,” in Proc. the 13th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Tokyo, Japan, 25-26 Aug. 2016.
  77. T. Nabeshima and K. Higuchi, “Iterative time-domain compression method of MIMO channel state information,” in Proc. RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2016 (NCSP’16), Honolulu, Hawaii, 6-9 Mar. 2016.
  78. S. Takano and K. Higuchi, “Joint macro-to-macro and macro-to-pico inter-cell interference coordination in heterogeneous networks,” in Proc. RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2016 (NCSP’16), Honolulu, Hawaii, 6-9 Mar. 2016.
  79. Y. Ikeda and K. Higuchi, “Investigations on improvement of convergence for decentralized association method in heterogeneous networks,” in Proc. RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2016 (NCSP’16), Honolulu, Hawaii, 6-9 Mar. 2016.
  80. S. Matsui, K. Ito, and K. Higuchi, “Investigation on power control algorithm in our previously reported joint control method of autonomous cell association and power control for heterogeneous networks,” in Proc. RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2016 (NCSP’16), Honolulu, Hawaii, 6-9 Mar. 2016.
  81. N. Sugio, Y. Igarashi, T. Kaneko, and K. Higuchi, “A practical-time attack on reduced-round MISTY1,” in Proc. 2nd International Conference on Information Systems Security and Privacy (ICISSP 2016), Roma, Itary, 19-21 Feb. 2016.
  82. S. Matsui and K. Higuchi, “Distributed transmission power control method using protected and non-protected bands based on shared metric in fading channel,” in Proc. The 2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2015), Bali, Indonesia, 9-12 Nov. 2015.
  83. K. Yakou and K. Higuchi, “Downlink NOMA with SIC using unified user grouping for non-orthogonal user multiplexing and decoding order,” in Proc. The 2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2015), Bali, Indonesia, 9-12 Nov. 2015.
  84. Y. Yamazaki and K. Higuchi, “Online probabilistic activation control of picocells for system throughput maximization in heterogeneous networks,” in Proc. The 2015 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2015), Bali, Indonesia, 9-12 Nov. 2015.
  85. T. Fukunaga, Y. Yuda, M. Hoshino, and K. Higuchi, “Decentralized user association for (p, α)-proportional fair-based system throughput maximization in cellular networks,” in Proc. Twelfth International Symposium on Wireless Communication Systems (ISWCS 2015), Brussels, Belgium, 25-28 Aug. 2015.
  86. M. Kimura and K. Higuchi, “System-level throughput of NOMA with SIC in cellular downlink under FTP traffic model,” in Proc. Twelfth International Symposium on Wireless Communication Systems (ISWCS 2015), Brussels, Belgium, 25-28 Aug. 2015.
  87. D. Nakajima, Y. Takahashi, Y. Yuda, M. Hoshino, and K. Higuchi, “Distributed transmission power control method based on soft FFR for cellular downlink,” in Proc. Twelfth International Symposium on Wireless Communication Systems (ISWCS 2015), Brussels, Belgium, 25-28 Aug. 2015.
  88. K. Nakamura and K. Higuchi, “Adaptive frequency-domain puncturing for turbo coded single-carrier transmission,” in Proc. IEEE The 14th International Conference on Communication Systems (ICCS 2014), Macau, 19-21, Nov. 2014.
  89. N. Nonaka, A. Benjebbour, and K. Higuchi, “System-level throughput of NOMA using intra-beam superposition coding and SIC in MIMO downlink when channel estimation error exists,” in Proc. IEEE The 14th International Conference on Communication Systems (ICCS 2014), Macau, 19-21, Nov. 2014.
  90. Y. Ikeda, S. Okasaka, M. Hoshino, and K. Higuchi, “Proportional fair-based joint optimization of cell association and inter-cell interference coordination for heterogeneous networks,” in Proc. IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, Canada, 14-17 Sep. 2014.
  91. K. Ito and K. Higuchi, “Joint control of autonomous cell association and power control for heterogeneous networks with inter-cell interference coordination,” in Proc. IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, Canada, 14-17 Sep. 2014.
  92. S. Matsui and K. Higuchi, “Transmission power control method using protected and non-protected bands based on shared metric among base stations for downlink heterogeneous networks,” in Proc. IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, Canada, 14-17 Sep. 2014.
  93. N. Nonaka, Y. Kakishima, and K. Higuchi, “Investigation on beamforming control methods in base station cooperative multiuser MIMO using block-diagonalized beamforming matrix,” in Proc. IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, Canada, 14-17 Sep. 2014.
  94. N. Nonaka, Y. Kishiyama, and K. Higuchi, “Non-orthogonal multiple access using intra-beam superposition coding and SIC in base station cooperative MIMO cellular downlink,” in Proc. IEEE 80th Vehicular Technology Conference (VTC2014-Fall), Vancouver, Canada, 14-17 Sep. 2014.
  95. K. Ito and K. Higuchi, “Performance of autonomous cell association and power control method in HetNet with ICIC,” in Proc. the 11th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Ping Tung, Taiwan, 28-29 Aug. 2014.
  96. S. Nakajima, K. Takeda, and K. Higuchi, “Throughput performance of turbo coded single-carrier transmission with frequency-domain puncturing,” in Proc. the 11th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Ping Tung, Taiwan, 28-29 Aug. 2014.
  97. N. Nonaka, Y. Kakishima, and K. Higuchi, “Comparison of block-diagonalized beamforming methods in BS cooperative MU-MIMO with limited feedback,” in Proc. the 11th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Ping Tung, Taiwan, 28-29 Aug. 2014.
  98. Y. Takahashi and K. Higuchi, “Decentralized transmission power control method based on soft FFR for cellular downlink OFDMA,” in Proc. the 11th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Ping Tung, Taiwan, 28-29 Aug. 2014.
  99. H. Katayama and K. Higuchi, “Non-orthogonal access with SIC using inter-cell interference coordination based on coordinated power control for cellular uplink,” in Proc. IEEE 79th Vehicular Technology Conference (VTC2014-Spring), Seoul, Korea, 18-21 May 2014.
  100. K. Nakamura, K. Takeda, and K. Higuchi, “Joint transmitter/receiver channel equalization for frequency-domain punctured turbo codes,” in Proc. IEEE 79th Vehicular Technology Conference (VTC2014-Spring), Seoul, Korea, 18-21 May 2014.
  101. K. Yamamoto, Y. Saito, and K. Higuchi, “System-level throughput of non-orthogonal access with SIC in cellular downlink when channel estimation error exists,” in Proc. IEEE 79th Vehicular Technology Conference (VTC2014-Spring), Seoul, Korea, 18-21 May 2014.
  102. T. Aota and K. Higuchi, “A simple downlink transmission power control method for worst user throughput maximization in heterogeneous networks,” in Proc. IEEE 7th International Conference on Signal Processing and Communication Systems (ICSPCS 2013), Gold Coast, Australia, 16-18 Dec. 2013.
  103. K. Higuchi, Y. Saito, and S. Nakao, “Inter-cell interference coordination using coordinated inter-cell interference power control in uplink,” in Proc. IEEE 7th International Conference on Signal Processing and Communication Systems (ICSPCS 2013), Gold Coast, Australia, 16-18 Dec. 2013.
  104. H. Katayama, Y. Kishiyama, and K. Higuchi, “Inter-cell interference coordination using frequency block dependent transmission power control and PF scheduling in non-orthogonal access with SIC for cellular uplink,” in Proc. IEEE 7th International Conference on Signal Processing and Communication Systems (ICSPCS 2013), Gold Coast, Australia, 16-18 Dec. 2013.
  105. N. Nonaka, A. Benjebbour, and K. Higuchi, “Base station cooperative multiuser MIMO using block-diagonalized random beamforming with online update,” in Proc. IEEE 7th International Conference on Signal Processing and Communication Systems (ICSPCS 2013), Gold Coast, Australia, 16-18 Dec. 2013.
  106. Y. Hayashi, Y. Kishiyama, and K. Higuchi, “Investigations on power allocation among beams in non-orthogonal access with random beamforming and intra-beam SIC for cellular MIMO downlink,” in Proc. IEEE 78th Vehicular Technology Conference (VTC2013-Fall), Las Vegas, USA, 2-5 Sep. 2013.
  107. T. Koizumi and K. Higuchi, “A simple decentralized cell association method for heterogeneous networks in fading channel,” in Proc. IEEE 78th Vehicular Technology Conference (VTC2013-Fall), Las Vegas, USA, 2-5 Sep. 2013.
  108. K. Higuchi and Y. Kishiyama, “Non-orthogonal access with random beamforming and intra-beam SIC for cellular MIMO downlink,” in Proc. IEEE 78th Vehicular Technology Conference (VTC2013-Fall), Las Vegas, USA, 2-5 Sep. 2013.
  109. Y. Oshima and K. Higuchi, “Influence of CSI estimation error and feedback delay on throughput of layered partially non-orthogonal block diagonalization with adaptive interference admission control for BS cooperative MU-MIMO,” in Proc. IEEE 77th Vehicular Technology Conference (VTC2013-Spring), Dresden, Germany, 2-5 Jun. 2013.
  110. Y. Saito, Y. Kishiyama, A. Benjebbour, T. Nakamura, A. Li, and K. Higuchi, “Non-orthogonal multiple access (NOMA) for cellular future radio access,” in Proc. IEEE 77th Vehicular Technology Conference (VTC2013-Spring), Dresden, Germany, 2-5 Jun. 2013.
  111. Y. Oshima, A. Benjebbour, and K. Higuchi, “Throughput performance of layered partially non-orthogonal block diagonalization with adaptive interference admission control in distributed antenna system,” in Proc. IEEE Singapore International Conference on Communication Systems (ICCS) 2012, Singapore, 21-23, Nov. 2012.
  112. J. Umehara, Y. Kishiyama, and K. Higuchi, “Enhancing user fairness in non-orthogonal access with successive interference cancellation for cellular downlink,” in Proc. IEEE Singapore International Conference on Communication Systems (ICCS) 2012, Singapore, 21-23, Nov. 2012.
  113. S. Inoue, T. Kawamura, and K. Higuchi, “Throughput performance of CF-based adaptive PAPR reduction method for eigenmode MIMO-OFDM signals with AMC,” in Proc. IEEE 76th Vehicular Technology Conference (VTC2012-Fall), Quebec City, Canada, 3-6 Sep. 2012.
  114. Y. Endo, Y. Kishiyama, and K. Higuchi, “Uplink non-orthogonal access with MMSE-SIC in the presence of inter-cell interference,” in Proc. IEEE Ninth International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, 28-31 Aug. 2012.
  115. T. Koizumi and K. Higuchi, “A simple decentralized cell association method for heterogeneous networks,” in Proc. IEEE Ninth International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, 28-31 Aug. 2012.
  116. Y. Oshima, A. Benjebbour, and K. Higuchi, “Adaptive interference admission control for layered partially non-orthogonal block diagonalization for base station cooperative MIMO,” in Proc. IEEE Ninth International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, 28-31 Aug. 2012.
  117. N. Otao, Y. Kishiyama, and K. Higuchi, “Performance of non-orthogonal access with SIC in cellular downlink using proportional fair-based resource allocation,” in Proc. IEEE Ninth International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, 28-31 Aug. 2012.
  118. K. Higuchi and Y. Kishiyama, “Non-orthogonal access with successive interference cancellation for future radio access,” in Proc. the 9th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS), Kyoto, Japan, 23-24 Aug. 2012.
  119. K. Higuchi, “Layered block diagonalization for base station cooperated multiuser MIMO with partial channel state information feedback,” in Proc. IEEE International Conference on Computing, Networking and Communications (ICNC 2012), Maui, Hawaii, USA, 30 Jan.-2 Feb. 2012.
  120. S. Tomida and K. Higuchi, “Non-orthogonal access with SIC in cellular downlink for user fairness enhancement,” in Proc. IEEE Intelligent Signal Processing and Communication Systems (ISPACS 2011), Chiangmai, Thailand, 7-9 Dec. 2011.
  121. Y. Umeda and K. Higuchi, “Efficient adaptive frequency partitioning in OFDMA downlink with fractional frequency reuse,” in Proc. IEEE Intelligent Signal Processing and Communication Systems (ISPACS 2011), Chiangmai, Thailand, 7-9 Dec. 2011.
  122. K. Tateishi and K. Higuchi, “Adaptive amplify-and-forward relaying for cellular downlink,” in Proc. IEEE Eighth International Symposium on Wireless Communication Systems (ISWCS 2011), Aachen, Germany, 6-9 Nov. 2011.
  123. Y. Hasegawa and K. Higuchi, “Bi-directional signal detection and decoding for hybrid ARQ using superposition coding,” in Proc. IEEE 74th Vehicular Technology Conference (VTC2011-Fall), San Francisco, USA, 5-8 Sep. 2011.
  124. Y. Tajika, H. Taoka, and K. Higuchi, “Muting-based partially non-orthogonal block diagonalization in multiuser MIMO with limited channel state information feedback,” in Proc. IEEE 74th Vehicular Technology Conference (VTC2011-Fall), San Francisco, USA, 5-8 Sep. 2011.
  125. T. Takeda and K. Higuchi, “Enhanced user fairness using non-orthogonal access with SIC in cellular uplink,” in Proc. IEEE 74th Vehicular Technology Conference (VTC2011-Fall), San Francisco, USA, 5-8 Sep. 2011.
  126. R. Kimura, Y. Tajika, and K. Higuchi, “CF-based adaptive PAPR reduction method for block diagonalization-based multiuser MIMO-OFDM signals,” in Proc. IEEE 73rd Vehicular Technology Conference (VTC2011-Spring), Budapest, Hungary, 15-18 May 2011.
  127. S. Yoshimura and K. Higuchi, “Channel-dependent adaptive spreading code selection in downlink MC-CDMA,” in Proc. IEEE 73rd Vehicular Technology Conference (VTC2011-Spring), Budapest, Hungary, 15-18 May 2011.
  128. Y. Tajika, R. Kimura, M. Watanabe, and K. Higuchi, “Partially non-orthogonal block diagonalization-based precoding in multiuser MIMO with limited channel state information feedbacks,” in Proc. IEEE 21st International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul, Turkey, 26-30 Sep. 2010.
  129. Y. Sato, M. Iwasaki, and K. Higuchi, “CF-based adaptive PAPR reduction method for precoded OFDM-MIMO signals in frequency-selective faded channel,” in Proc. IEEE 72nd Vehicular Technology Conference (VTC2010-Fall), Ottawa, Canada, 6-9 Sep. 2010.
  130. K. Tahara and K. Higuchi, “Frequency-domain punctured turbo codes,” in Proc. IEEE 72nd Vehicular Technology Conference (VTC2010-Fall), Ottawa, Canada, 6-9 Sep. 2010.
  131. Y. Huang, J. Wang, K. Higuchi, and M. Sawahashi, “Multiple-encoder layered space-time-frequency architecture with non-iterative QRM-MLD detection,” in Proc. IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, 23-27 May 2010.
  132. F. Takahashi and K. Higuchi, “HARQ for predetermined-rate multicast channel,” in Proc. IEEE 71st Vehicular Technology Conference (VTC2010-Spring), Taipei, Taiwan, 16-19 May 2010.
  133. M. Iwasaki and K. Higuchi, “Clipping and filtering-based PAPR reduction method for precoded OFDM-MIMO signals,” in Proc. IEEE 71st Vehicular Technology Conference (VTC2010-Spring), Taipei, Taiwan, 16-19 May 2010.
  134. H. Taoka and K. Higuchi, “Experiments on peak spectral efficiency of 50 bps/Hz with 12-by-12 MIMO multiplexing for future broadband packet radio access,” in Proc. 2010 4th International Symposium on Communications, Control and Signal Processing (ISCCSP 2010), Limassol, Cyprus, 3-5 Mar. 2010.
  135. N. Miki, H. Kawai, H. Taoka, K. Higuchi, M. Sawahashi, H. Matsuno, and H. Nagasaka, “MLD based MIMO-OFDM demodulation and decoding LSI with low power consumption for release 8 LTE,” in Proc. IEEE 70th Vehicular Technology Conference (VTC2009-Fall), Anchorage, USA, 20-23 Sep. 2009.
  136. A. Wakamiya and K. Higuchi, “Spreading code sequence appropriate for maximum likelihood detection in MC-CDMA,” in Proc. the 12th International Symposium on Wireless Personal Multimedia Communications (WPMC 2009), Sendai, Japan, 7-10 Sep. 2009.
  137. K. Higuchi and H. Taoka, “On the signal detection and spreading code structure for OFDM MIMO multiplexing with frequency domain spreading and code multiplexing,” in Proc. the 12th International Symposium on Wireless Personal Multimedia Communications (WPMC 2009), Sendai, Japan, 7-10 Sep. 2009.
  138. H. Ando and K. Higuchi, “Comparison of PAPR reduction methods for OFDM signal with channel coding,” in Proc. the 6th IEEE VTC Asia Pacific Wireless Communications Symposium (APWCS), Seoul, Korea, 20-21 Aug. 2009.
  139. F. Takahashi and K. Higuchi, “High quality MBMS transmission using adaptive hierarchical modulation,” in Proc. the 6th IEEE VTC Asia Pacific Wireless Communications Symposium (APWCS), Seoul, Korea, 20-21 Aug. 2009.
  140. K. Nagatomi, K. Higuchi, and K. Kawai, “Complexity reduced MLD based on QR decomposition in OFDM MIMO multiplexing with frequency domain spreading and code multiplexing,” in Proc. IEEE Wireless Communications and Networking Conference 2009 (WCNC 2009), Budapest, Hungary, 5-8 Apr. 2009.
  141. K. Takeda, S. Nagata, Y. Kishiyama, M. Tanno, K. Higuchi, and M. Sawahashi, “Investigation on optimum radio parameter design in layered OFDMA for LTE-Advanced,” in Proc. IEEE 69th Vehicular Technology Conference (VTC2009-Spring), Barcelona, Spain, 26-29 Apr. 2009.
  142. A. Morimoto, M. Tanno, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigation on optimum radio link connection using remote radio equipment in heterogeneous network for LTE-Advanced,” in Proc. IEEE 69th Vehicular Technology Conference (VTC2009-Spring), Barcelona, Spain, 26-29 Apr. 2009.
  143. D. Nishikawa, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigation on optimum control interval for intra-cell fractional TPC using AMC for shared channel in Evolved UTRA uplink,” in Proc. IEEE 5th International Symposium on Wireless Communication Systems (ISWCS’08), Reykjavik, Iceland, 21-24 Oct. 2008.
  144. T. Sakurai, M. Sawahashi, T. Kawamura, and K. Higuchi, “Effect of noise suppression in channel estimation for single-carrier FDMA radio access with variable transmission bandwidth,” in Proc. IEEE 5th International Symposium on Wireless Communication Systems (ISWCS’08), Reykjavik, Iceland, 21-24 Oct. 2008.
  145. H. Taoka, A. Morimoto, H. Kawai, K. Higuchi, and M. Sawahashi, “Coverage performance of common/shared control signals using transmit diversity in Evolved UTRA downlink,” in Proc. the 11th International Symposium on Wireless Personal Multimedia Communications (WPMC 2008), Lapland, Finland, 8-11 Sep. 2008.
  146. M. Tanno, Y. Kishiyama, H. Taoka, N. Miki, K. Higuchi, and M. Sawahashi, “Layered OFDMA radio access for IMT-Advanced,” in Proc. IEEE 68th Vehicular Technology Conference (VTC2008-Fall), Calgary, Canada, 21-24 Sep. 2008.
  147. S. Nagata, Y. Kishiyama, M. Tanno, K. Higuchi, and M. Sawahashi, “Investigation on transmit diversity for synchronization channel in OFDM based Evolved UTRA downlink,” in Proc. IEEE 68th Vehicular Technology Conference (VTC2008-Fall), Calgary, Canada, 21-24 Sep. 2008.
  148. H. Machida and K. Higuchi, “Adaptive amplify-and-forward relaying for cellular system,” in Proc. the 5th IEEE VTC Asia Pacific Wireless Communications Symposium (APWCS), Sendai, Japan, 21-22 Aug. 2008.
  149. T. Isogai, M. Sawahashi, H. Taoka, and K. Higuchi, “Influence of channel estimation error on MIMO multiplexing using precoding in downlink OFDM radio access,” in Proc. the 5th IEEE VTC Asia Pacific Wireless Communications Symposium (APWCS), Sendai, Japan, 21-22 Aug. 2008.
  150. J. Liu, X. She, L. Chen, H. Taoka, and K. Higuchi, “Multi-degree adaptive cyclic delay diversity with multi-user scheduling,” in Proc. IEEE 67th Vehicular Technology Conference (VTC2008-Spring), Marina Bay, Singapore, 11–14 May 2008.
  151. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “CDMA-based multiplexing scheme for multiple L1/L2 control signals from different UEs in Evolved UTRA uplink,” in Proc. the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, 03-06 Dec. 2007.
  152. A. Morimoto, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Performance evaluations of MBMS signals in OFDM based Evolved UTRA downlink,” in Proc. the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, 03-06 Dec. 2007.
  153. D. Nishikawa, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigation on inter-cell transmission power control using overload indicator for selected users in Evolved UTRA uplink,” in Proc. the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, 03-06 Dec. 2007.
  154. S. Tsuchida, M. Sawahashi, H. Taoka, and K. Higuchi, “Field experiments on open-loop type transmit diversity in OFDM radio access,” in Proc. the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, 03-06 Dec. 2007.
  155. Y. Sato, M. Sawahashi, N. Miki, and K. Higuchi, “Effect of adaptive modulation control for frequency domain channel-dependent scheduling using hybrid ARQ in OFDM based radio access,” in Proc. the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, 03-06 Dec. 2007.
  156. H. Taoka, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Optimum reference signal structure for MIMO multiplexing using precoding in Evolved UTRA downlink,” in Proc. Military Communications Conference (MILCOM 2007), Orlando, USA, 29-31 Oct. 2007.
  157. S. Nagata, Y. Kishiyama, M. Tanno, K. Higuchi, and M. Sawahashi, “Investigations on synchronization channel sequences in OFDM based Evolved UTRA downlink,” in Proc. IEEE 66th Vehicular Technology Conference (VTC2007-Fall), Baltimore, USA, 30 Sep.–3 Oct. 2007.
  158. H. Kawai, H. Taoka, K. Higuchi, and M. Sawahashi, “Performance evaluation of closed loop-based antenna switching transmit diversity associated with frequency domain channel-dependent scheduling in E-UTRA uplink,” in Proc. IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007), Atens, Greece, 3-7 Sep. 2007.
  159. N. Miki, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigations on optimum coding and multiplexing schemes for L1/L2 control signals in OFDM based Evolved UTRA downlink,” in Proc. IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007), Atens, Greece, 3-7 Sep. 2007.
  160. M. Tanno, A. Morimoto, K. Higuchi, and M. Sawahashi, “Experiments on handover using combination of bicast and forwarding of IP packet for future IP-based RANs,” in Proc. IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007), Atens, Greece, 3-7 Sep. 2007.
  161. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigations on optimum reference signal structure for single-carrier FDMA radio access in Evolved UTRA uplink,” in Proc. 2007 International Symposium on Signals, Systems, and Electronics (ISSSE 2007), Montreal, Canada, 31 Jul.-2 Aug. 2007.
  162. M. Tanno, Y. Kishiyama, N. Miki, T. Kawamura, K. Higuchi, and M. Sawahashi, “Evolved UTRA – Physical layer overview,” in Proc. IEEE Workshop on Signal Processing Advances in Wireless Communications 2007 (SPAWC’07), Helsinki, Finland, 17–20 Jun. 2007.
  163. H. Kawai, A. Morimoto, K. Higuchi, and M. Sawahashi, “Investigations on inter-Node B macro diversity for single-carrier based radio access in Evolved UTRA uplink,” in Proc. 2007 IEEE Sarnoff Symposium, Nassau Inn in Princeton, USA, 30 Apr.–2 May 2007.
  164. Y. Huang, J. Wang, K. Higuchi, and M. Sawahashi, “A novel layered space-time-frequency architecture with convolutional coding,” in Proc. IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Doublin, Ireland, 22–25 Apr. 2007.
  165. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Layer 1 / Layer 2 control channel structure in single-carrier FDMA based Evolved UTRA uplink,” in Proc. IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Doublin, Ireland, 22–25 Apr. 2007.
  166. S. Nagata, Y. Kishiyama, M. Tanno, K. Higuchi, and M. Sawahashi, “Cell search time comparison using hierarchical and non-hierarchical synchronization channels in OFDM based Evolved UTRA downlink,” in Proc. IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Doublin, Ireland, 22–25 Apr. 2007.
  167. Y. Ofuji, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Group-wised reference signal allocation for single-carrier FDMA radio access in Evolved UTRA uplink,” in Proc. IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Doublin, Ireland, 22–25 Apr. 2007.
  168. H. Taoka, K. Dai, K. Higuchi, and M. Sawahashi, “Field experiments on ultimate frequency efficiency exceeding 30 bit/second/Hz using MLD signal detection in MIMO-OFDM broadband packet radio access,” in Proc. IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Doublin, Ireland, 22–25 Apr. 2007.
  169. M. Tanno, K. Higuchi, S. Nagata, Y. Kishiyama, and M. Sawahashi, “Physical channel structures and cell search method for scalable bandwidth for OFDM radio access in Evolved UTRA downlink,” in Proc. IEEE Wireless Communications and Networking Conference 2007 (WCNC 2007), Hong Kong, 11–15 Mar. 2007.
  170. N. Miki, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Optimum adaptive modulation and channel coding scheme for frequency domain channel-dependent scheduling in OFDM based Evolved UTRA downlink,” in Proc. IEEE Wireless Communications and Networking Conference 2007 (WCNC 2007), Hong Kong, 11–15 Mar. 2007.
  171. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Orthogonal pilot channel using combination of FDMA and CDMA in single-carrier FDMA-based Evolved UTRA uplink,” in Proc. IEEE Wireless Communications and Networking Conference 2007 (WCNC 2007), Hong Kong, 11–15 Mar. 2007.
  172. Y. Zhou, J. Wang, T.S. Ng, K. Higuchi and M. Sawahashi, “OFCDM – A promising wireless broadband access technique”, in Proc. The Joint International Conference of 4th IGNOCE and SOIMCOE’06, Sendai, Japan, 23–25 Jan. 2007.
  173. Z. Pan, J. Liu, L. Chen, K. Higuchi, and M. Sawahashi, “Multi-degree random cyclic delay diversity in MISO systems with frequency-domain scheduling,” in Proc. 2006 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS 2006), Singapore, 4–7 Dec. 2006.
  174. Y. Ofuji, T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “System-level throughput evaluations in Evolved UTRA,” in Proc. tenth IEEE International Conference on Communication Systems (ICCS 2006), Singapore, 30 Oct.–1 Nov. 2006.
  175. N. Ohkubo, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Efficient synchronous transmissions using soft-combining for paging channel in OFDM based Evolved UTRA downlink,” in Proc. tenth IEEE International Conference on Communication Systems (ICCS 2006), Singapore, 30 Oct.–1 Nov. 2006.
  176. N. Ohkubo, N. Miki, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Performance comparison between turbo code and rate-compatible LDPC code for Evolved UTRA downlink OFDM radio access,” in Proc. Military Communications Conference (MILCOM 2006), Washington DC, USA, 23-25 Oct. 2006.
  177. H. Taoka, K. Dai, K. Higuchi, and M. Sawahashi, “Field experiments on 2.5-Gbps packet transmission using MLD-based signal detection in MIMO-OFDM broadband packet radio access,” in Proc. the 9th International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, USA, 17-20 Sep. 2006.
  178. S. Nagata, Y. Ofuji, K. Higuchi, and M. Sawahashi, “Block-wise resource block-level distributed transmission for shared data channel in OFDMA Evolved UTRA downlink,” in Proc. the 9th International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, USA, 17-20 Sep. 2006.
  179. Y. Kishiyama, A. Morimoto, K. Higuchi, and M. Sawahashi, “System-level evaluations on intra-Node B orthogonal pilot channel for OFDM radio access in Evolved UTRA downlink,” in Proc. the 9th International Symposium on Wireless Personal Multimedia Communications (WPMC 2006), San Diego, USA, 17-20 Sep. 2006.
  180. H. Taoka, H. Atarashi, K. Higuchi, and M. Sawahashi, “Investigations on throughput gain of MIMO multiplexing schemes in HSDPA for high-speed mobile multimedia services,” in Proc. the 2006 International Symposium on Nonlinear Theory and its Applications (NOLTA 2006), Bologna, Italy, 11-14 Sep. 2006.
  181. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigations on optimum roll-off factor for DFT-spread OFDM based SC-FDMA radio access in Evolved UTRA uplink,” in Proc. IEEE 3rd International Symposium on Wireless Communication Systems (ISWCS’06), Valencia, Spain, 5-8 Sep. 2006.
  182. Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Investigations on random access channel structure in Evolved UTRA uplink,” in Proc. IEEE 3rd International Symposium on Wireless Communication Systems (ISWCS’06), Valencia, Spain, 5-8 Sep. 2006.
  183. H. Taoka, K. Dai, K. Higuchi, and M. Sawahashi, “Field experiments on 1-Gbps high-speed packet transmission using MIMO multiplexing with cross-polarization antennas in downlink OFDM radio access,” in Proc. 11th International OFDM-Workshop (OFDM Workshop 2006), Hamburg, Germany, 30-31 Aug. 2006.
  184. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Comparisons of 16QAM modulation schemes considering PAPR for single-carrier FDMA radio access in Evolved UTRA uplink,” in Proc. The 9th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2006), Manaus, Brazil, 28-31 Aug. 2006.
  185. S. Sun, Y. Dai, Z. Lei, K. Higuchi, and H. Kawai, “Pseudo-inverse MMSE based QRD-M algorithm for MIMO OFDM,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  186. Y. Ofuji, K. Higuchi, and M. Sawahashi, “Frequency domain channel-dependent scheduling employing an adaptive transmission bandwidth for pilot channel in uplink single-carrier-FDMA radio access,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  187. Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Intra-Node B orthogonal pilot channel structure for OFDM radio access in Evolved UTRA downlink,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  188. S. Nagata, Y. Ofuji, K. Higuchi, and M. Sawahashi, “Optimum resource block bandwidth for frequency domain channel-dependent scheduling in Evolved UTRA downlink OFDM radio access,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  189. H. Taoka, K. Higuchi, and M. Sawahashi, “Field experiments on real-time 1-Gbps high-speed packet transmission in MIMO-OFDM broadband packet radio access,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  190. A. Morimoto, K. Higuchi, and M. Sawahashi, “Performance comparison between fast sector selection and simultaneous transmission with soft-combining for intra-Node B macro diversity in Downlink OFDM radio access,” in Proc. IEEE 63rd Vehicular Technology Conference (VTC2006-Spring), Melbourne, Australia, 7-10 May 2006.
  191. Y. Huang, J. Wang, K. Higuchi, and M. Sawahashi, “A new layered space-time-frequency architecture with LDPC coding for OFDM MIMO multiplexing,” in Proc. 2006 IEEE Wireless Communications and Networking Conference (WCNC 2006), Las Vegas, USA, 3-6 Apr. 2006.
  192. Y. Huang, J. Wang, K. Higuchi, and M. Sawahashi, “High-rate irregular-LDPC coded OFDM BLAST systems,” in Proc. 6th 3G and Beyond IEE International Conference, London, UK, 7-9 Nov. 2005.
  193. N. Maeda, T. Kataoka, H. Kawai, K. Higuchi, J. Kawamoto, and M. Sawahashi, “Experiments on real-time 1-Gbps packet transmission using antenna-independent AMC in MIMO-OFDM broadband packet radio access,” in Proc. IEEE 62nd Vehicular Technology Conference (VTC2005-Fall), Dallas, USA, 25-28 Sep. 2005.
  194. J. Kawamoto, H. Kawai, N. Maeda, K. Higuchi, and M. Sawahashi, “Performance comparisons between OFDM and DS-CDMA radio access using MIMO multiplexing in multi-path fading channels,” in Proc. IEEE 62nd Vehicular Technology Conference (VTC2005-Fall), Dallas, USA, 25-28 Sep. 2005.
  195. K. Higuchi, H. Taoka, N. Maeda, and M. Sawahashi, “Experiments on space diversity effect in MIMO channel transmission with maximum data rate of 1 Gbps in downlink OFDM radio access,” in Proc. Multi-Carrier Spread Spectrum workshop (MC-SS 2005), Oberpfaffenhofen, Germany, 14-16 Sep. 2005.
  196. H. Kawai, N. Maeda, J. Kawamoto, K. Higuchi, and M. Sawahashi, “Experiments on real-time 1-Gbps packet transmission using QRM-MLD with ASESS in MIMO-OFDM broadband packet radio access,” in Proc. 14th IST Mobile and Wireless Communications Summit, Dresden, Germany, 19-23 Jun. 2005.
  197. K. Higuchi, H. Kawai, N. Maeda, and M. Sawahashi, “Adaptive selection of surviving symbol replica candidates based on maximum reliability in QRM-MLD for OFCDM MIMO multiplexing,” in Proc. IEEE Global Telecommunications Conference (Globecom 2004), Dallas, USA, 29 Nov.-3 Dec. 2004.
  198. J. Kawamoto, N. Maeda, K. Higuchi, and M. Sawahashi, “Path search method employing side-lobe cancellation in QRM-MLD combined with multipath interference canceller for band-limited DS-CDMA access,” in Proc. 9th CDMA International Conference (CIC 2004), Seoul, Korea, 25-28 Oct. 2004.
  199. T. Kataoka, H. Taoka, K. Higuchi, and M. Sawahashi, “Field experiments on adaptive antenna array-beam forming with simultaneous path timing and its DOA estimations employing directive-beam reception for broadband CDMA packet access in reverse link,” in Proc. IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004), pp. 1257-1262, Barcelona, Spain, 5-8 Sep. 2004.
  200. K. Higuchi, H. Kawai, N. Maeda, M. Sawahashi, T. Itoh, Y. Kakura, A. Ushirokawa, and H. Seki, “Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel,” in Proc. IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004), pp. 1142-1148, Barcelona, Spain, 5-8 Sep. 2004.
  201. N. Maeda, K. Higuchi, M. Sawahashi, S. Yoshida, M. Kimata, “QRM-MLD combined with MMSE-based multipath interference canceller for MIMO multiplexing in broadband DS-CDMA,” in Proc. IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004), pp. 1741-1746, Barcelona, Spain, 5-8 Sep. 2004.
  202. S. Suwa, N. Miki, M. Tanno, K. Higuchi, and M. Sawahashi, “Field experiments on low-rate turbo coding and soft-decision decoding for broadband packet DS-CDMA wireless access in reverse link,” in Proc. IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004), pp. 1100-1105, Barcelona, Spain, 5-8 Sep. 2004.
  203. N. Maeda, K. Higuchi, H. Kawai, and M. Sawahashi, “MLD with QR decomposition using bi-directional ranking and selection of surviving symbol replicas for OFCDM MIMO multiplexing,” in Proc. 7th International Symposium on Wireless Personal Multimedia Communications (WPMC 2004), Padova, Italy, 12-14 Sep. 2004.
  204. Y. Kishiyama, T. Ihara, A. Morimoto, K. Higuchi, H. Atarashi, and M. Sawahashi, “Field experiments on received SINR and throughput performance using VSF-OFCDM broadband packet wireless access in 100-MHz forward link,” in Proc. 7th International Symposium on Wireless Personal Multimedia Communications (WPMC 2004), Padova, Italy, 12-14 Sep. 2004.
  205. H. Taoka, T. Kataoka, K. Higuchi, and M. Sawahashi, “Optimum beam generation method of adaptive antenna array-beam forming transmitter for OFCDM broadband packet wireless access in forward link,” in Proc. 7th International Symposium on Wireless Personal Multimedia Communications (WPMC 2004), Padova, Italy, 12-14 Sep. 2004.
  206. Y. Kishiyama, N. Maeda, K. Higuchi, H. Atarashi, and M. Sawahashi, “Transmission performance analysis of VSF-OFCDM broadband packet wireless access based on field experiments in 100-MHz forward link,” in Proc. IEEE 60th Vehicular Technology Conference (VTC2004-Fall), Los Angeles, USA, 26-29 Sep. 2004.
  207. M. Tanno, K. Higuchi, H. Atarashi, and M. Sawahashi, “Experiments on three-step fast cell search algorithm employing common pilot channel for OFCDM broadband packet wireless access in forward link,” in Proc. IEEE 60th Vehicular Technology Conference (VTC2004-Fall), Los Angeles, USA, 26-29 Sep. 2004.
  208. H. Kawai, K. Higuchi, N. Maeda, and M. Sawahashi, “Independent adaptive control of surviving symbol replica candidates at each stage based on minimum branch metric in QRM-MLD for OFCDM MIMO multiplexing,” in Proc. IEEE 60th Vehicular Technology Conference (VTC2004-Fall), Los Angeles, USA, 26-29 Sep. 2004.
  209. J. Kawamoto, N. Maeda, H. Kawai, K. Higuchi, and M. Sawahashi, “Investigations on likelihood function for QRM-MLD combined with MMSE-based multipath interference canceller suitable for soft-decision turbo decoding in broadband CDMA MIMO multiplexing,” in Proc. IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2004), pp. 628-633, Sydney, Australia, 30 Aug.-2 Sep. 2004.
  210. T. Kawamura, K. Higuchi, H. Atarashi, and M. Sawahashi, “Adaptive spreading and channel coding gain control and its experimental results in broadband DS-CDMA reverse link,” in Proc. IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2004), pp. 169-173, Sydney, Australia, 30 Aug.-2 Sep. 2004.
  211. H. Atarashi, Y. Kishiyama, N. Maeda, N. Miki, K. Higuchi, and M. Sawahashi, “Field experiments on throughput performance above 100 Mbps in forward link for VSF-OFCDM broadband wireless access,” in Proc. 2004 International Symposium on Signals, Systems, and Electronics (ISSSE 2004), Linz, Austria, 10-13 Aug. 2004.
  212. T. Kataoka, H. Taoka, K. Higuchi, and M. Sawahashi, “Adaptive antenna array-beam forming with simultaneous received path timing and DOA estimations based on two-dimensional power profile in broadband CDMA reverse link,” in Proc. 2004 International Symposium on Signals, Systems, and Electronics (ISSSE 2004), Linz, Austria, 10-13 Aug. 2004.
  213. H. Kawai, K. Higuchi, N. Maeda, and M. Sawahashi, “Performance of QRM-MLD employing two-dimensional multi-slot and sub-carrier-averaging channel estimation filter using orthogonal pilot channel for OFCDM MIMO multiplexing in multipath fading channel,” in Proc. Wireless 2004, pp. 208-214, Calgary, Canada, 12-14 Jul. 2004.
  214. T. Asai, J. Kawamoto, K. Higuchi, and M. Sawahashi, “Common interleaving method among transmitter branches achieving peak throughput of 1 Gbps in OFCDM MIMO multiplexing,” in Proc. 8th International Conference on Cellular and Intelligent Communications (CIC 2003), Seoul, Korea, 28-31 Oct. 2003.
  215. A. Harada, S. Abeta, K. Higuchi, and M. Sawahashi, “Experiments on IP packet transmission performance in forward link for VSF-OFCDM broadband wireless access,” in Proc. 8th International Conference on Cellular and Intelligent Communications (CIC 2003), Seoul, Korea, 28-31 Oct. 2003.
  216. S. Suwa, M. Tanno, K. Higuchi, and M. Sawahashi, “Reservation-based packet transmission in reverse link controlling transmission-power offset of data packet according to QoS requirements,” in Proc. 8th International Conference on Cellular and Intelligent Communications (CIC 2003), Seoul, Korea, 28-31 Oct. 2003.
  217. N. Maeda, Y. Kishiyama, K. Higuchi, H. Atarashi, and M. Sawahashi, “Experimental evaluation of throughput performance in broadband packet wireless access based on VSF-OFCDM and VSF-CDMA,” in Proc. IEEE 14th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2003), Beijing, China, 7-10 Oct. 2003.
  218. N. Miki, H. Atarashi, K. Higuchi, S. Abeta, and M. Sawahashi, “Experimental evaluation on effect of hybrid ARQ with packet combining in forward link for VSF-OFCDM broadband wireless access,” in Proc. IEEE 14th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2003), Beijing, China, 7-10 Oct. 2003.
  219. Y. Kishiyama, N. Maeda, K. Higuchi, H. Atarashi, and M. Sawahashi, “Experiments on throughput performance above 100-Mbps in forward link for VSF-OFCDM broadband wireless access,” in Proc. IEEE 58th Vehicular Technology Conference (VTC2003-Fall), Orlando, USA, 6-9 Oct. 2003.
  220. H. Taoka, T. Kataoka, K. Higuchi, T. Asai, and M. Sawahashi, “Field experiments on optimum number of antennas for adaptive antenna array-beam forming transmitter in W-CDMA forward link,” in Proc. IEEE 58th Vehicular Technology Conference (VTC2003-Fall), Orlando, USA, 6-9 Oct. 2003.
  221. J. Kawamoto, T. Asai, K. Higuchi, and M. Sawahashi, “Comparison of space division multiplexing schemes employing multiple antennas in OFDM forward link,” in Proc. IEEE 58th Vehicular Technology Conference (VTC2003-Fall), Orlando, USA, 6-9 Oct. 2003.
  222. T. Asai, K. Higuchi, and M. Sawahashi, “Field experiments on multipath interference canceller associated with AMC in HSDPA,” in Proc. IEEE 57th Vehicular Technology Conference (VTC2003-Spring), Jeju, Korea, 22-25 Apr. 2003.
  223. M. Tanno, H. Atarashi, K. Higuchi, and M. Sawahashi, “Fast cell search algorithm for system with coexisting cellular and hot-spot cells suitable for OFCDM forward link broadband wireless access,” in Proc. IEEE 57th Vehicular Technology Conference (VTC2003-Spring), Jeju, Korea, 22-25 Apr. 2003.
  224. H. Taoka, T. Kataoka, K. Higuchi, T. Ihara, and M. Sawahashi, “Comparison of on-line RF circuitry calibration methods for adaptive antenna array beam forming transmitter in forward link,” in Proc. IEEE 57th Vehicular Technology Conference (VTC2003-Spring), Jeju, Korea, 22-25 Apr. 2003.
  225. T. Kataoka, H. Taoka, T. Asai, K. Higuchi, and M. Sawahashi, “Radio link performance using coherent adaptive antenna array diversity receiver coupled with inter-cell macro diversity in W-CDMA reverse link,” in Proc. 5th European Personal Mobile Communications Conference (EPMCC 2003), Glasgow, Scotland, 22-25 Apr. 2003.
  226. T. Asai, K. Higuchi, and M. Sawahashi, “Field experiments on adaptive modulation and channel coding coupled with hybrid ARQ with packet combining based on HSDPA air interface,” in Proc. 5th European Personal Mobile Communications Conference (EPMCC 2003), Glasgow, Scotland, 22-25 Apr. 2003.
  227. T. Asai, K. Higuchi, And M. Sawahashi, “Experimental evaluations on adaptive modulation and channel coding for HSDPA,” in Proc. 7th CDMA International Conference (CIC 2002), Seoul, Korea, 29 Otc.-1 Nov. 2002.
  228. T. Ihara, K. Higuchi, T. Asai, and M. Sawahashi, “Efficient common channel transmission employing multi-beam antennas in W-CDMA forward link,” in Proc. 8th International Conference on Communication Systems (ICCS 2002), Singapore, 25-28 Nov. 2002.
  229. K. Higuchi, A. Morimoto, S. Abeta, and M. Sawahashi, “Evaluation of throughput and coverage employing multipath interference canceller in high speed downlink packet access in multipath fading channel,” in Proc. IEEE 7th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2002), pp. 667-671, Prague, Czech Republic, 2-5 Sep. 2002.
  230. T. Ihara, H. Taoka, K. Higuchi, and M. Sawahashi, “Experimental evaluation of coherent adaptive antenna array diversity receiver employing optical fiber interface in IF stage,” in Proc. IEEE 13th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2002), pp. 255-259, Lisbon, Portugal, 15-18 Sep. 2002.
  231. M. Tanno, H. Atarashi, K. Higuchi, and M. Sawahashi, “Three-step fast cell search algorithm utilizing common pilot channel for OFCDM broadband wireless access,” in Proc. IEEE 56th Vehicular Technology Conference (VTC2002-Fall), pp. 1575-1579, Vancouver, Canada, 24-29 Sep. 2002.
  232. A. U. Priantoro, H. Yamamoto, S. Fukumoto, K. Higuchi, and M. Sawahashi, “Closed-loop type transmit diversity employing antenna verification associated with multipath interference canceller in W-CDMA forward link,” in Proc. 2002 IEEE Asia Pacific Conference on Communications (APCC'02), Bandung, Indonesia, 17-19 Sep. 2002.
  233. H. Taoka, T. Ihara, K. Higuchi, and M. Sawahashi, “Experiments on adaptive antenna array diversity receiver/transmitter for W-CDMA BTS application,” in Proc. XXVII-th General Assembly of the International Union of Radio Science (URSI’2002), Maastricht, Netherlands, 17-24 Aug. 2002.
  234. T. Kawamura, Y. Kishiyama, K. Higuchi, and M. Sawahashi, “Comparison between multipath interference canceller and chip equalizer in HSDPA in multipath fading channel,” in Proc. IEEE 55th Vehicular Technology Conference (VTC2002-Spring), pp. 459-463, Birmingham, USA, 6-9 May 2002.
  235. Y. Kishiyama, K. Higuchi, A. Morimoto, and M. Sawahashi, “Field experiments on parallel-type coherent multistage interference canceller with decision-feedback channel estimation in W-CDMA reverse link,” in Proc. 6th CDMA International Conference (CIC 2001), Seoul, Korea, Nov. 2001.
  236. Y. Hanada, K. Higuchi, and M. Sawahashi, “Three-step cell search algorithm for broadband multi-carrier CDMA packet wireless access,” in Proc. IEEE 12th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2001), San Diego, USA, Oct. 2001.
  237. A. Morimoto, K. Higuchi, and M. Sawahashi, “Site independent diversity transmit power control for inter-cell site diversity in W-CDMA forward link,” in Proc. IEEE 54th Vehicular Technology Conference (VTC2001-Fall), pp. 645-649, Atrantic city, USA, 7-11 Oct. 2001.
  238. Y. Kishiyama, T. Ihara, K. Higuchi, and M. Sawahashi, “Parallel-type coherent multistage interference canceller with multiple-antenna reception in DS-CDMA reverse link,” in Proc. IEEE 54th Vehicular Technology Conference (VTC2001-Fall), pp. 2389-2393, Atrantic city, USA, 7-11 Oct. 2001.
  239. M. Sawahashi, K. Higuchi, H. Atarashi, and N. Miki, “Broadband packet wireless access and its performance,” in Proc. 2001 International Symposium on Signals, Systems and Electronics (ISSSE 2001), pp. 139-142, Tokyo, Japan, 24-27 Jul. 2001.
  240. A. Fujiwara, K. Higuchi, and M. Sawahashi, “Frame structure with transmission gap of data channel using multipath interference canceller for high-speed packet transmission in W-CDMA forward link,” in Proc. 2001 International Symposium on Signals, Systems and Electronics (ISSSE 2001), pp. 456-459, Tokyo, Japan, 24-27 Jul. 2001.
  241. K. Higuchi, A. Fujiwara, and M. Sawahashi, “Multipath interference canceller for high-speed packet transmission with adaptive modulation and coding scheme in W-CDMA forward link,” in Proc. IEEE 52nd Vehicular Technology Conference (VTC2001-Spring), pp. 2297-2301, Rhodos, Greece, 6-9 May 2001.
  242. A. Morimoto, K. Higuchi, and M. Sawahashi, “Performance of high rate data transmission using turbo/convolutional coding in reverse link site diversity for W-CDMA mobile radio,” in Proc. 3rd Wireless Personal Multimedia Communications (WPMC 2000), pp. 66-72, Bangkok, Thailand, 12-15 Nov. 2000.
  243. Y. Hanada, K. Higuchi, and M. Sawahashi, “Fast cell search algorithm and its performance for broadband multi-carrier CDMA wireless access,” in Proc. 5th CDMA International Conference (CIC 2000), pp. 191-195, Seoul, Korea, 22-25 Nov. 2000.
  244. K. Okawa, K. Higuchi, and M. Sawahashi, “Parallel-type coherent multi-stage interference canceller with iterative channel estimation using both pilot and decision-feedback data symbols for W-CDMA mobile radio,” in Proc. IEEE 11th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2000), pp. 709-714, London, England, Sep. 2000.
  245. S. Fukumoto, K. Higuchi, M. Sawahashi, and F. Adachi, “Field experiments on closed loop mode transmit diversity in W-CDMA forward link,” IEEE 6th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000), pp. 433-438, New Jersey, USA, 6-8 Sep. 2000.
  246. K. Higuchi, T. Ikeda, S. Fukumoto, M. Sawahashi, and F. Adachi, “Experimental evaluations of high data rate transmission using turbo/convolutional coding in W-CDMA mobile radio,” in Proc. The 12th International Conference on Wireless Communications (Wireless 2000), Calgary, Canada, pp. 687-693, 10-12 Jul. 2000.
  247. M. Sawahashi, K. Higuchi, S. Tanaka, F. Adachi, “Enhanced wireless access technologies and its experiments for W-CDMA communications,” in Proc. IEEE International Conference on Third Generation Wireless Communications (3Gwireless 2000), pp. 18-25, San Francisco, USA, 14-16 Jun. 2000.
  248. K. Higuchi, Y. Hanada, M. Sawahashi, and F. Adachi, “Experimental evaluation of 3-step cell search method in W-CDMA mobile radio,” in Proc. 51st IEEE Vehicular Technology Conference (VTC2000-Spring), Tokyo, Japan, pp. 303-307, 15-18 May 2000.
  249. S. Fukumoto, K. Higuchi, A. Morimoto, M. Sawahashi, and F. Adachi, “Combined effect of site diversity and fast transmit power control in W-CDMA mobile radio,” in Proc. 51st IEEE Vehicular Technology Conference (VTC2000-Spring), Tokyo, Japan, pp. 1527-1534, 15-18 May 2000.
  250. M. Sawahashi, S. Tanaka, K. Higuchi, and F. Adachi, “Enhanced wireless technologies for W-CDMA mobile radio,” in Proc. Microwave Workshops and Exhibition (MWE’99), pp. 337-342, Yokohama, Japan, 7-9 Dec. 1999.
  251. K. Higuchi, K. Okawa, M. Sawahashi, and F. Adachi, “Field experiments on pilot symbol-assisted coherent multistage interference canceller for DS-CDMA mobile radio,” in Proc. 4th CDMA International Conference (CIC’99), pp. 190-194, Seoul, Korea, 8-11 Sep. 1999.
  252. K. Okawa, S. Fukumoto, K. Higuchi, M. Sawahashi, and F. Adachi, “Experiments on 2-Mbps data transmission over 5-MHz W-CDMA mobile radio link,” in Proc. IEEE 10th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’99), pp. 185-189, Osaka, Japan, 12-15 Sep. 1999.
  253. H. Andoh, K. Higuchi, K. Okawa, M. Sawahashi, and F. Adachi, “Experiments on pilot symbol-assisted coherent rake receiver for W-CDMA mobile radio,” in Proc. Wireless Personal Multimedia Communications (WPMC'98), pp. 81-86, Yokosuka, Japan, 4-6 Nov. 1998.
  254. M. Sawahashi, H. Andoh, K. Higuchi, and F. Adachi, “Experiments on coherent multistage interference canceller for DS-CDMA mobile radio,” in Proc. IEEE 9th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’98), pp. 491-496, Boston, USA, 8-11 Sep. 1998.
  255. K. Higuchi, M. Sawahashi, and F. Adachi, “Fast cell search algorithm in DS-CDMA mobile radio using long spreading codes,” in Proc. 47th IEEE Vehicular Technology Conference (VTC’97), pp. 1430-1434, Phoenix, USA, 5-7 May 1997.
  256. M. Sawahashi, H. Andoh, and K. Higuchi, “DS-CDMA pilot and data symbol-assisted coherent multistage interference canceller using repeatedly updated channel estimation,” in Proc. IEEE ICCS/ISPACS’96, Singapore, Nov. 1996.

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学生の受賞

受賞日 受賞者 受賞名
2024年10月 池田 翔幾 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年10月 宍戸 悠真 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年10月 前田 航輝 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年10月 松元 梓 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年10月 八木 雄太 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年6月 山崎 竜聖 IEEE VTS Tokyo/Japan Chapter 2024 Student Paper Award
2024年6月 飯塚 涼太郎 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年6月 田口 颯馬 IEEE VTS Tokyo/Japan Chapter 2024 Young Researcher's Encouragement Award
2024年6月 池田 翔幾 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2024年6月 八木 雄太 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2023年10月 加藤 拓輝 IEEE VTS Tokyo/Japan Chapter 2023 Young Researcher's Encouragement Award
2023年10月 桑原 寛也 IEEE VTS Tokyo/Japan Chapter 2023 Young Researcher's Encouragement Award
2023年6月 石井 大介 IEEE VTS Tokyo/Japan Chapter 2023 Young Researcher's Encouragement Award
2023年6月 阿部倉 優太 電子情報通信学会無線通信システム研究会初めての研究会最優秀発表賞
2023年6月 山崎 竜聖 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2023年5月 小林 亮太 電子情報通信学会無線通信システム研究活動奨励賞
2023年3月 阿部倉 優太 電気学会東京支部電気学術奨励賞
2023年3月 関口 侑希 計測自動制御学会SICE優秀学生賞
2022年10月 梯 明日翔 IEEE VTS Tokyo/Japan Chapter 2022 Young Researcher's Encouragement Award
2022年10月 加藤 大喜 IEEE VTS Tokyo/Japan Chapter 2022 Young Researcher's Encouragement Award
2022年10月 滝田 豪 IEEE VTS Tokyo/Japan Chapter 2022 Young Researcher's Encouragement Award
2022年10月 松本 和真 IEEE VTS Tokyo/Japan Chapter 2022 Young Researcher's Encouragement Award
2022年10月 矢内 克弥 IEEE VTS Tokyo/Japan Chapter 2022 Young Researcher's Encouragement Award
2022年6月 斉藤 純 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2022年6月 松本 和真 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2022年3月 髙松 怜紘 電子情報通信学会ヘルスケア・医療情報通信技術研究賞優秀研究賞
2021年9月 谷 隼也 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年9月 綿貫 航 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年9月 淺田 萌 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年9月 内田 昌吾 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年9月 小林 亮太 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年9月 関口 侑希 IEEE VTS Tokyo/Japan Chapter 2021 Young Researcher's Encouragement Award
2021年6月 淺田 萌 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2021年6月 関口 侑希 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2021年5月 鈴木 拓
鈴木 幹人		 電子情報通信学会通信ソサイエティ論文賞（Best Paper Award）
2021年3月 鈴木 拓 東京理科大学学生表彰
2020年11月 岑 俊成 IEEE VTS Tokyo/Japan Chapter 2020 Young Researcher's Encouragement Award
2020年11月 室城 勇人 IEEE VTS Tokyo/Japan Chapter 2020 Young Researcher's Encouragement Award
2020年11月 山口 令遠 IEEE VTS Tokyo/Japan Chapter 2020 Young Researcher's Encouragement Award
2020年6月 井上 衆成 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2020年5月 鈴木 拓 IEEE VTS Tokyo/Japan Chapter 2020 Student Paper Award
2020年5月 鈴木 幹人 電子情報通信学会無線通信システム研究活動奨励賞
2020年1月 鈴木 拓 電子情報通信学会無線通信システム研究会初年度発表者コンペティション優秀発表賞
2020年1月 志熊 輝晃 電子情報通信学会無線通信システム研究会初年度発表者コンペティション優秀発表賞
2019年9月 志熊輝晃 IEEE VTS Tokyo Chapter Student Paper Award
2019年9月 石川 史弥 IEEE VTS Tokyo Chapter Young Researcher's Encouragement Award
2019年9月 宇治 直輝 IEEE VTS Tokyo Chapter Young Researcher's Encouragement Award
2019年9月 谷山 顕太郎 IEEE VTS Tokyo Chapter Young Researcher's Encouragement Award
2019年3月 鈴木 拓 電気学会東京支部電気学術奨励賞
2018年8月 川田 真之 IEEE VTS Tokyo Chapter Young Researcher's Encouragement Award
2018年8月 坂井 達貴 IEEE VTS Tokyo Chapter Young Researcher's Encouragement Award
2018年6月 川田 真之 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2018年3月 斉藤 隆太 東京理科大学理工学部長表彰
2018年3月 川田 真之 電子情報通信学会東京支部学生会研究発表会奨励賞
2018年3月 鈴木 幹人 電子情報通信学会東京支部学生会研究発表会奨励賞
2017年6月 松本 裕貴 電子情報通信学会無線通信システム研究会初めての研究会最優秀発表賞
2017年3月 高野 将 NCSP'17 Student Paper Award
2017年3月 松本 裕貴 電子情報通信学会東京支部学生会研究発表会奨励賞
2016年6月 斉藤 隆太 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2016年3月 松井 聡弥 NCSP'16 Student Paper Award
2015年6月 木村 将裕 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2015年6月 星野 拓也 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2015年2月 木村 将裕 電子情報通信学会東京支部学生会研究発表会奨励賞
2015年2月 高野 将 電子情報通信学会東京支部学生会研究発表会奨励賞
2014年9月 野中 信秀 IEEE VTS Japan Student Paper Award
2014年9月 池田 吉隆 IEEE VTS Japan Young Researcher's Encouragement Award
2014年9月 伊藤 昂汰 IEEE VTS Japan Young Researcher's Encouragement Award
2014年9月 松井 聡弥 IEEE VTS Japan Young Researcher's Encouragement Award
2014年6月 伊藤 昂汰 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2014年6月 中島 祥平 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2014年5月 山本 健太 IEEE VTS Japan Student Paper Award
2014年5月 片山 弘巳 IEEE VTS Japan Young Researcher's Encouragement Award
2014年5月 中村 健吾 IEEE VTS Japan Young Researcher's Encouragement Award
2014年3月 中島 祥平 電子情報通信学会東京支部学生会研究発表会奨励賞
2013年9月 小泉 鉄之祐 IEEE VTS Japan Young Researcher's Encouragement Award
2013年9月 林 雄太 IEEE VTS Japan Young Researcher's Encouragement Award
2013年6月 大島 祐介 IEEE VTS Japan Young Researcher's Encouragement Award
2013年5月 小泉 鉄之祐 電子情報通信学会無線通信システム研究活動奨励賞
2013年3月 井上 大樹 電子情報通信学会東京支部学生会研究発表会奨励賞
2013年3月 野中 信秀 電子情報通信学会東京支部学生会研究発表会奨励賞
2012年9月 井上 翔貴 IEEE VTS Japan Young Researcher's Encouragement Award
2012年3月 大島 祐介 電子情報通信学会東京支部学生会研究発表会奨励賞
2011年9月 田近 裕貴 IEEE VTS Japan Young Researcher's Encouragement Award
2011年9月 竹田 朋弘 IEEE VTS Japan Young Researcher's Encouragement Award
2011年9月 長谷川 恭之 IEEE VTS Japan Young Researcher's Encouragement Award
2011年6月 井上 翔貴 電子情報通信学会無線通信システム研究会初めての研究会最優秀発表賞
2011年6月 富田 瞬 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2011年5月 髙橋 史典 電子情報通信学会無線通信システム研究活動奨励賞
2011年5月 木村 亮介 IEEE VTS Japan Young Researcher's Encouragement Award
2011年5月 吉村 翔太 IEEE VTS Japan Young Researcher's Encouragement Award
2010年9月 佐藤 由成 IEEE VTS Japan Young Researcher's Encouragement Award
2010年9月 田原 興一 IEEE VTS Japan Young Researcher's Encouragement Award
2010年6月 田近 裕貴 電子情報通信学会無線通信システム研究会初めての研究会優秀発表賞
2010年5月 岩崎 全男 IEEE VTS Japan Young Researcher's Encouragement Award
2010年5月 髙橋 史典 IEEE VTS Japan Young Researcher's Encouragement Award
2010年3月 渡邊 将博 電気学会東京支部電気学術奨励賞
2009年5月 岩崎 全男 電子情報通信学会東京支部学生会研究発表会奨励賞
2009年5月 宗 秀哉 電子情報通信学会東京支部学生会研究発表会奨励賞
2009年3月 髙橋 史典 電気学会東京支部電気学術奨励賞
2009年3月 髙橋 史典 小玉記念科学賞

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