Masahiro Morikura

守倉 正博 (もりくら まさひろ) 教授


京都大学大学院情報学研究科
通信情報システム専攻
〒606-8501 京都市左京区吉田本町

電話: 075-753-5348
FAX: 075-753-5349
Email: morikura [at] i.kyoto-u.ac.jp

オフィス: 工学部3号館南棟4階S406号室

学歴

昭和50年 大阪府立大手前高等学校 卒業
昭和54年 京都大学 工学部 電気工学第二学科 卒業
昭和56年 京都大学 大学院 工学研究科 電気第二専攻 修了

学位

平成3年 博士(工学) 京都大学

職歴

昭和56年 日本電信電話公社 電気通信研究所 入社
昭和58年 同 大容量衛星通信研究室 研究主任
昭和63年 カナダ政府 通信省 Communication Research Center 客員研究員
平成元年 NTT 無線システム研究所 衛星通信研究部 主任研究員
平成9年 NTT ワイヤレスシステム研究所 パーソナル通信研究部 パーソナル通信装置研究グループリーダ
平成16年 NTT 未来ねっと研究所 メディアイノベーション研究部長
平成17年 NTT 情報流通基盤総合研究所 企画部長
平成19年 京都大学大学院 情報学研究科 教授

主な受賞歴

平成12年 電子情報通信学会・論文賞
平成12年 IEEE802.11 WG功労者表彰
平成13年 NTT発明審査会 実施補償特許特級表彰
平成14年 社団法人 電波産業会 電波功績賞・総務大臣表彰
平成18年 電子情報通信学会 業績賞
平成19年 文部科学大臣表彰　科学技術賞(研究部門)
平成20年 電子情報通信学会 フェロー
平成20年 逓信協会　第54回前島賞
平成22年 電子情報通信学会　通信方式研究会委員長賞

研究室の学生受賞

平成21年 テレコムシステム技術学生賞（林大祐）
平成21年 IEEE VTS Japan 2009 Young Researcher Encouragement Award（玉置真大）
平成22年 電気四学会関西支部　学生会研究発表講演会　奨励賞（藤井陽平）
平成23年 電気四学会関西支部　支部長賞　学生会功労賞（田中政晃）
平成23年 信学会　アドホックネットワーク研究会　若手研究奨励賞（田中政晃）
平成23年 信学会　通信方式研究会　奨励賞（藪内靖弘）
平成23年 テレコムシステム技術学生賞（黄 俊翔）
平成24年 京都大学ICTイノベーション2012　学生優秀賞（花田光平）
平成24年 テレコムシステム技術学生賞（大西遼太）

研究業績一覧

著書

  1. 松江英明, 守倉正博 監修, 「802.11高速無線LAN教科書」, IDGジャパン, 2003.
  2. 小牧省三, 間瀬憲一, 松江英明, 守倉正博, 「無線LANとユビキタスネットワーク」, 2章, 7章, 丸善株式会社, 2004.
  3. 松江英明, 守倉正博, 佐藤明雄, 渡辺和仁, 「高速ワイヤレスアクセス技術」, 7章, 電子情報通信学会, 2004.
  4. 守倉正博, 久保田周治 監修, 「改訂版　802.11高速無線LAN教科書」, インプレス, 2004.
  5. 守倉正博 監修, 「高速無線LAN　802.11n入門」, インプレスR&D, 2007.

学術雑誌原著論文

  1. H. Matsumoto, K. Hashimoto, M. Morikura, I. Kimura, and T. Mukai, “Correlation between VLF plasma waves and energetic electrons simultaneously observed by satellite JIKIKEN (EXOS-B),” Journal of Geomagnetism and Geoelectricity, 33, pp.73-87, 1981.
  2. 郡武治, 守倉正博, 加藤修三, “衛星搭載FDM/TDM変換回路の設計と特性,” 信学論(B), J69-B, 11, pp.1480-1487, 1986-11.
  3. 楳田洋太郎, 守倉正博, 梅比良正弘, 加藤修三, “記憶型バースト復調器AFC回路の検討,” 信学論(B), J69-B, 11, pp.1509-1515, 1986-11.
  4. 守倉正博, 榎本清司, 久保田周治, 加藤修三, “低C/N時におけるユニークワード検出特性の一改善法,” 信学論(B), J69-B, 11, pp.1523-1530, 1986-11.
  5. 守倉正博, 加藤修三, “衛星上マスタクロック制御間隔の検討,” 信学論(B), J70-B, 3, pp.355-365, 1987-3.
  6. 守倉正博, 榎本清司, 加藤修三, “汎用・高速ディジタル相関器ＬＳＩの構成法,” 信学論(C), J71-C, 4, pp.545-552, 1988-4.
  7. S. Kato, K. Ohtani, T. Kohri, M. Morikura, M.Umehira, and S. Kubota, “On-board Digital Signal Processing Technologies for Present and Future SCPC Systems,” International Journal of Satellite Communication, vol.6, pp.289-300, June 1988.
  8. 加藤修三, 守倉正博, 梅比良正弘, 榎本清司, 久保田周治, “TDMAシステムLSI化およびIC化手法 -高信頼・無調整TDMA装置-,” 信学論(A), J72-A, 2, pp.231-240, 1989-2.
  9. S. Kato, M. Morikura, M. Umehira, K. Enomoto, and S. Kubota, “Application of Advanced Microelectronics to Large-Scale Communication Equipment -Compact and Maintenance-Free TDMA Equipment-,” IEEE J. Sel. Areas Commun., vol.8, no.8, pp.1551-1564, Oct. 1990.
  10. K. Enomoto, M. Morikura, S. Kubota, and S. Kato, “Common Transmission of High Speed QPSK Signals and SSMA Signals over Nonlinearly Amplified Transponder,” IEICE Trans. Commun., Electronics Information and Systems, vol.E-74, no.5, pp.1155-1163, May 1991.
  11. T. Dohi, T. Sakai, M. Morikura, and S. Kato, “Pragmatic Performance of TC8PSK in Rician Fading channels,” IEICE Trans. Commun. Electronics Information and Systems, vol.E-74, no.8, Aug. 1991.
  12. S. Kato, M. Morikura, and S. Kubota, “Implementation of Coded Modems,” IEEE Commun. Mag., pp.88-97, Dec. 1991.
  13. S. Kato, M. Morikura, S. Kubota, H. Kazama, K. Enomoto and M. Umehira, “A TDMA Satellite Communication System for ISDN Services,” IEEE J. Sel. Areas Commun., vol.10, no.2, pp.456-464, Feb. 1992.
  14. 松本洋一, 守倉正博, 加藤修三, “バーストモード全ディジタル化高速クロック再生回路 -蓄積型クロック再生方式-,” 信学論(B), J75B-II, 6, pp.354-362, 1992-6.
  15. S. Kato, S. KUBOTA, H. Kazama, and M. Morikura, “Novel Satellite Digital Video TDMA System for Business Video Communications,” IEEE J. Sel. Areas Commun., vol.10, no.6, pp.1054-1065, Aug. 1992.
  16. K. Seki, M. Morikura, and S. Kato, “High Resolution and Fast Frequency Settling PLL Synthesizer,” IEICE Trans. Commun., vol.E75-B, no.8, pp.739-746, Aug. 1992.
  17. S. Honda, S. Kubota, M. Morikura, and S. Kato, “DSD (Double Soft Decision) Concatenated Forward Error Correction Scheme,” IEICE Trans. Commun., vol.E75-B, no.8, pp.747-754, Aug. 1992.
  18. K. Kobayashi, T. Sakai, S. Kubota, M. Morikura, and S. Kato, “A New Carrier Recovery Circuit for Land Mobile Satellite Communication,” IEEE J. Sel. Areas Commun., vol.10, no.8, pp.1306-1314, Oct. 1992.
  19. T. Sugiyama, H. Kazama, M. Morikura, S. Kubota, and S. Kato, “A Frequency Utilization Efficiency Improvement on Superposed SSMA-QPSK Signal Transmission over High Speed QPSK Signals in Nonlinear Channels,” IEICE Trans. Commun., vol.E76-B, no.5, pp.480-487, May 1993.
  20. S. Kubota, M. Morikura, K. Enomoto, and S. Kato, “A Suitable Combination of Modulation and FEC Schemes for Satellite Digital Video Communication Networks,” IEICE Trans. Commun., vol.E76-B, no. 5, pp.497-507, May 1993.
  21. H. Kazama, S. Nitta, M. Morikura, and S. Kato, “Semi-autonomous Synchronization among Base Stations for TDMA-TDD Communication Systems,” IEICE Trans. Commun., vol.E77-B, no. 7, pp.862-867, July 1994.
  22. K. Kubota, M. Morikura, and S. Kato, “High-Quality Frame-Synchronization for Satellite Video Signal Transmission,” IEEE Trans. on Aerospace and Electronic Systems, vol.31, no. 1, Jan. 1995.
  23. T. Sakai, K. Kobayashi, S. Kubota, M. Morikura, and S. Kato, “Soft-Decision Viterbi Decoding with Diversity Combining for Multi-Beam Mobile Satellite Communication Systems,” IEEE J. Sel. Areas Commun., vol.13, no.2, pp.285-290, Feb. 1995.
  24. T. Ichikawa, H. Kayama, and M. Morikura, “Performance Evaluation of a Packet Channel Sharing Protocol for Dynamic Channel Assignment Systems,” IEICE Trans. Commun., vol.E81-B, no.3, pp.616-624, March 1998.
  25. H. Kayama, T. Ichikawa, H. Takanashi, M. Morikura, and T. Tanaka, “A Multi-Slot Access Protocol for TDMA-TDD Packet Radio Channel - Application to PHS Packet Data System -,” IEICE Trans. Commun., vol.E81-B, no.5, pp.1115-1125, May 1998.
  26. T. Tanaka, M. Morikura, and H. Takanashi, “Nomadic Computing Environment Employing Wired and Wireless Networks,” IEICE Trans. Commun., vol.E81-B, no.8, pp.1565-1573, Aug. 1998.
  27. T. Onizawa, M. Mizoguchi, M. Morikura, and T. Tanaka, “A Fast Synchronization Scheme of OFDM Signals for High-Rate Wireless LAN,” IEICE Trans. Commun., vol.E82-B, no.2, pp.455-463, Feb. 1999.
  28. T. Onizawa, K. Kobayashi, M. Morikura, and T. Tanaka, “A Novel Coherent Preambleless Demodulator Employing Sequential Processing for PSK Packet Signals - AFC and Carrier Recovery Circuits -,” IEICE Trans. Commun., vol.E82-B, no.3, pp542-550, March 1999.
  29. S. Hori, T. Kumagai, T. Sakata, and M. Morikura, “A New Vector Error Measurement Scheme for Transmit Modulation Accuracy of OFDM Systems,” IEICE Trans. Commun., vol.E82-B, no.12, pp.1906-1913, Dec. 1999.
  30. T. Kumagai, T. Sakata, and M. Morikura, “A Maximal Ratio Combining Frequency Diversity ARQ Scheme for High-Speed OFDM Systems,” IEICE Trans. Commun., vol.E82-B, no.12, pp.1914-1922, Dec. 1999.
  31. T. Onizawa, M. Mizoguchi, and M. Morikura, “A Novel Channel Estimation Scheme Employing Adaptive Selection of Frequency-Domain Filters for OFDM Systems,” IEICE Trans. Commun., vol.E82-B, no.12, pp.1923-1931, Dec. 1999.
  32. R. Van Nee, G. Awater, M. Morikura, H. Takanashi, M. Webster, and K. W. Halford, “New High Rate Wireless LAN standards,” IEEE Commun. Mag., vol.37, no.12, pp.82-88, Dec. 1999.
  33. 宮城利文, 飯塚正孝, 守倉正博, “P-MPに対応した無線アドホックネットワークのルート再構築プロトコル,” 電気学会論(C), 120-C, 10, pp.1388-1394, 2000-10.
  34. Y. Inoue, M. Iizuka, H. Takanashi, and M. Morikura, “Reliable Multicast Protocol with a Representative Acknowledgement Scheme for Wireless Systems,” IEICE Trans. Commun., vol.E84-B, no.4, pp.853-862, April 2001.
  35. 齋藤一賢, 井上保彦, 飯塚正孝, 守倉正博, “優先制御を用いたイーサネット系無線LAN通信品質制御方法,” 信学論(B), J84-B, 9, pp.1598-1612, 2001-9.
  36. 守倉正博, 松江英明, “IEEE802.11準拠無線LANの動向,” 信学論(B), J84-B, 11, pp.1918-1927, 2001-11.
  37. S. Hori, T. Kumagai, M. Mizoguchi, and M. Morikura, “A New Space Diversity Reception Scheme for Packet-Based OFDM Wireless Access Systems,” IEICE Trans. Commun., vol.E85-B, no.6, pp.1083-1093, June 2002.
  38. S. Hori, M. Mizoguchi, T. Sakata, and M. Morikura, “A New Branch Metric Generation Method for Soft-Decision Viterbi Decoding in Coded OFDM-SDM Systems Employing MLD over Frequency Selective MIMO Channels,” IEICE Trans. Commun., vol.E85-A, no.7, pp.1675-1684, July 2002.
  39. T. Hiraguri, T. Ichikawa, M. Iizuka, and M. Morikura, “Novel Multiple Access Protocol for Voice over IP in Wireless LAN,” IEICE Trans. Commun., vol.E85-B, no.10, pp.2145-2152, Oct. 2002.
  40. 市川武男, 飯塚正孝, 高梨斉, 守倉正博, “無線ブリッジ網におけるショートカットフレーム転送方式(FRASH)の提案,” 信学論(B), J85-B, 12, pp.2138-2146, 2002-12.
  41. T. Onizawa, M. Mizoguchi, T. Sakata, and M. Morikura, “A New Simple Adaptive Phase Tracking Scheme Employing Phase Noise Estimation for OFDM Signals,” IEICE Trans. Communi., vol.E86-B, no.1, pp.247-256, Jan. 2003.
  42. 井上保彦, 齋藤一賢, 阪田徹, 守倉正博, 松江英明, “IEEE802.11無線LANにおけるレートスイッチングアルゴリズム,” 電気学会論(C), 124-C, 1, pp.33-40, 2004-1.
  43. T. Onizawa, T. Fujita, T. Sakata, M. Morikura, and S. Aikawa, “A new very high-rate wireless LAN system employing OFDM and MC/CDMA signals,” IEICE Trans. Commun., vol.E87-B, no.5, pp.1227-1234, May 2004.
  44. 斎藤　洋, 梅比良正弘, 守倉正博, “広域ユビキタスネットワークインフラストラクチャに向けた考察,” 信学論(B), J88-B, 11, pp.2128-2136, 2005-11.
  45. 林　大祐, 田野　哲, 古野辰男, 守倉正博, “ヘテロダインマルチモード受信における決定論的補償行列推定,” 信学論(B), J91-B, 11, pp.1440-1449, 2008-11.
  46. D. Umehara, T. Hayasaki, S. Denno, and M. Morikura, “Influences of periodically switching channels synchronized with power frequency on PLC equipment,” Journal of Communications, vol.4, no.2, pp.108-118, March 2009.
  47. D. Umehara, T. Hirano, S. Denno, M. Morikura, and T. Sugiyama, “Wireless network coding in slotted ALOHA with two-hop unbalanced traffic,” IEEE J. Sel. Areas Commun., vol. 27, no. 5, pp. 647-661, June 2009.
  48. 橋本幸一郎, 田野　哲, 梅原大祐, 守倉正博, “高速フェージング伝送路のための並列FFT等化,” 信学論（B), J92-B, 7, pp.1174-1184, 2009-7.
  49. S. Denno, T. Furuno, and M. Morikura, “Blind image-band interference canceller based on CM (constant modulus) criteria for multiband receivers,” IEICE Trans. Commun., vol.E92-B, no.9, pp.2903-2914, Sept. 2009.
  50. 丸山浩史, 田野　哲, 梅原大祐, 守倉正博, “MIMO空間多重伝送における仮想伝搬路判定を適用した逐次復号法,” 信学論（B), J92-B, 10, pp.1677-1686, 2009-10.
  51. 玉置真大, 田野　哲, 古野辰男, 守倉正博, “イメージ干渉と同一チャネル干渉を同時に抑圧する適応マルチバンドアレー,” 信学論(B), J93-B, 2, pp.269-277, 2010-2.
  52. R. Kudo, Y. Takatori, K. Nishimori, T. Ichikawa, T. Murakami, M. Mizoguchi, and M. Morikura, “Spatial Domain Resource Sharing for Overlapping Cells in Indoor Environment,” International Journal of Digital Multimedia Broadcasting, vol. 2010, Article ID 642542, 9 pages, doi:10.1155/2010/642542, March 2010.
  53. 田野　哲, 梅原大祐, 守倉正博, “LBERアダプティブアレーによる干渉抑圧特性の解析,” 信学論(B), J93-B, 9, pp.1249-1258, 2010-9.
  54. C. Huang, D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Enhancement of CSMA/CA and network coding in single-relay multi-user wireless networks,” IEICE Trans. Commun., vol.E93-B, no.12, pp.3371-3380, Dec. 2010.
  55. 玉置真大, 田野　哲, 古野辰男, 守倉正博, “マルチバンドMIMO-MMSE受信機の構成法とその劣化補償法,” 信学論(B), J94-B, 2, pp.234-244, 2011-2.
  56. D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Performance analysis of slotted ALOHA and network coding for single-relay multi-user wireless networks,” Elsevier Ad Hoc Networks, vol.9, no.2, pp.164-179, March 2011.
  57. S. Denno, K. Liu, T. Furuno, and M. Morikura, “Theoretical Performance Analysis of an Image-band Interference Canceller with Deterministic Imbalance Estimation,” IEICE Trans. Commun., vol.E94-B, no.4, pp.968-977, April 2011.
  58. 大西遼太, 田野　哲, 梅原大祐, 守倉正博, “仮想伝搬路判定を用いた逐次復号法のための演算量低減法,” 信学論(B), J94-B, 12, pp.1585-1594, 2011-12.
  59. S. Denno, D. Umehara, and M. Morikura, “A Least Bit Error Rate Adaptive Array for MultiLevel Modulations,” IEICE Trans. Commun., vol.E95-B, no.1, pp.69-76, Jan. 2012.
  60. 中戸裕基, 守倉正博, 梅原大祐, 大槻暢朗, 杉山隆利, “無線LAN中継ネットワークコーディングにおけるQoSを保証するMACプロトコル,” 信学論(D), J95-D, 5, pp.1142-1150, 2012-5.

学術雑誌レター

  1. 福間久夫, 守倉正博, 加藤修三, “TDMA制御信号のブロック誤り確率低減法,” 信学論(B)，J70-B, 10, pp.1254-1256, 1987-10.
  2. T. Sugiyama, K. Kubota, M. Morikura, and S. Kato, “A Coded VSB-QPSK Transmission Scheme for Digital Satellite Communications in Co-channel Interference Environments,” IEEE Trans. on Aerospace and Electronic Systems, vol.32, no.3, pp.1174-1181, July 1996.
  3. K. Saitoh, Y. Inoue, T. Kumagai, M. Iizuka, S. Aikawa, and M. Morikura, “An Effective Data Transfer Method for IEEE 802.11 Wireless LANs,” IEICE Trans. Commun., vol.E88-B, no.03, pp.1266-1270, March 2005.

査読つき国際会議論文

  1. M. Moirkura and T. Masamura, “Clock Synchronization System for On-board Regenerative Satellite Communication,” Proc. ISTS'84 (International Symposium on Space Technology and Science, Tokyo), pp.855-860, May 1984.
  2. T. Yoshikawa, M. Morikura, and S. Kato, “A Precise SS-TDMA Synchronization Scheme Employing On-board Reference Burst Generator,” Proc. ICC'85 (IEEE International Conference on Communications， Chicago), pp.994-998, June 1985.
  3. T. Atsugi, M. Morikura, and S. Kato, “A Study on Up-link Transmission Power Control Scheme for Satellite Communication Systems - Feedback Loop Control System -,” Proc. ISAP'85 (International Symposium on Antennas and Propagation, Kyoto), pp.329-332, August 1985.
  4. S. Kato, M. Morikura, M. Umehira, K. Enomoto, and S. Kubota, “General Purpose TDMA LSI Development for Low Cost Earth Station,” Proc. ICC'86 (IEEE International Conference on Communications, Toronto, Canada), pp.513-518, June 1986.
  5. T. Kohri, M. Morikura, and S. Kato, “A 400ch SCPC Signal Demodulator Using Chirp Transform and Correlation Detection Scheme,” Proc. GLOBECOM'87 (IEEE Global Telecommunications Conference, Tokyo), pp.286-291, November 1987.
  6. M. Morikura, K. Enomoto, and S. Kato, “High Speed On-board Digital Signal Processing and LSI Implementation,” Proc. ICC'88 (IEEE International Conference on Communications, Philadelphia), pp.493-498, June 1988.
  7. S. Kato, M. Morikura, M. Umehira, K. Enomoto, and S. Kubota, “Compact and High Performance TDMA Terminal for Satellite Communication,” Proc. ICC'88 (IEEE International Conference on Communications, Philadelphia), pp.1680-1686, June 1988.
  8. M. Morikura, S. Kubota, K. Enomoto, and S. Kato, “Novel Control Channel Quality Improvement in Satellite Communication Systems Employing High Coding Gain FEC,” Proc. GLOBECOM'88 (IEEE Global Telecommunications Conference, Hollywood, Florida), pp.136-140, November 1988.
  9. S. Kubota, M. Morikura, K. Enomoto, and S. Kato, “A Compact Spectrum and Interference-resistant Digital Video Transmission System,” Proc.GLOBECOM'89 (IEEE Global Telecommunications Conference, Dallas), pp.1729-1734, November 1989.
  10. S. Kubota, M. Morikura, S. Kato, and K. Hayashi, “High-Quality Frame-Synchronization and Encryption for Satellite Video Signal Transmission,” Proc. ICC'90 (IEEE International Conference on Communications, Atlanta), pp.1064-1068, April 1990.
  11. M. Morikura, K. Enomoto, S. Kubota, and S. Kato, “SSMA Signal Transmission over QPSK Modulated Signal,” Proc. GLOBECOM'90 (IEEE Global Telecommunications Conference, San Diego), pp.751-755, December 1990.
  12. T. Sakai, S. Kubota, M. Morikura, and S. Kato, “Soft-Decision Viterbi Decoding with Diversity Combining,” Proc. GLOBECOM'90 (IEEE Global Telecommunications Conference, San Diego), pp.1127-1131, December 1990.
  13. S. Kubota, S. Honda, M. Morikura, and S. Kato, “Concatenated Coding Scheme Employing Soft Decision for Outer Codes - DSD (Double Soft Decision) Concatenated Coding Scheme -,” Proc. ICC'91 (IEEE International Conference on Communications, Denver), 7.2, June 1991.
  14. K. Kobayashi, T. Sakai, S. Kubota, M. Morikura, and S. Kato, “A New Carrier Recovery Circuit for Land Mobile Satellite Communication,” Proc. PIMRC'91 (Personal Indoor and Mobile Radio Communications, London), pp.306-311, September 1991.
  15. K. Kawazoe, M. Morikura, S. Kubota, K. Enomoto, and S. Kato, “TDMA Satellite Communication Systems for ISDN Services,” Canadian Conference on Electrical and Computer Engineering (Quebec, CANADA), 26.4, pp.1-4, September 1991.
  16. M. Morikura, S. Kubota, K. Enomoto, and S. Kato, “TDMA Satellite Communication Systems for ISDN Services,” Proc. IAF'91 (Congress of the International Astronautical Federation, Montreal), October 1991.
  17. T. Sakai, K. Kobayashi, S. Kubota, M. Morikura, and S. Kato, “DCF Reverse Modulation Type Carrier Recovery Circuit for Rician Fading Channel,” Proc. GLOBECOM'91 (IEEE Global Telecommunications Conference, Phoenix), pp.1360-1365, December 1991.
  18. S. Kato, M. Morikura, S. Kubota, H. Kazama, and K. Enomoto, “TDMA Satellite Communication Systems for ISDN Services - Offset QPSK Burst Modem Coupled with High Coding Gain FEC -,” Proc. GLOBECOM'91 (IEEE Global Telecommunications Conference, Phoenix), pp.1533-1540, December 1991.
  19. T. Sakata, M. Morikura, and S. Kato, “A Novel Digital Burst Demodulator for TDMA Satellite Communication Systems,”' Proc. ISTS'92 (International Symposium on Space Technology and Science, Kagoshima), pp.1525-1530, 1992.
  20. Y. Matsumoto, M. Morikura, and S. Kato, “A New Carrier Recovery Circuit for Mobile Satellite Communications,” Proc. VTC'92 (IEEE Vehicular Technology Society Conference, Denver), pp.866-869, May 1992.
  21. H. Kazama, K. Enomoto, S. Kubota, M. Morikura, and S. Kato, “General-purpose High-Speed Multi-Function TDMA LSIC Development,” Proc. ICDSC9 (9th International Conference on Digital Satellite Communications, Copenhagen), pp.63-68, May 1992.
  22. M. Morikura, S. Kubota, H. Kazama, and S. Kato, “Novel Satellite Digital Video TDMA System for Business Video Communications,” Proc. ICDSC9 (9th International Conference on Digital Satellite Communications, Copenhagen), pp.289-296, May 1992.
  23. S. Kubota, H. Kazama, M. Morikura, and S. Kato, “Novel Satellite Digital Video TDMA System for Business Video Communications,” Proc. ICC'92 (IEEE International Conference on Communications， Chicago), pp.1599-1604, June 1992.
  24. T. Sugiyama, H. Kazama, S. Kubota, M. Morikura, and S. Kato, “Integrated Satellite Digital Video TDMA System for Business Video Communications,” Proc. 5-th JC-CNSS (IEICE Joint Conference on Communications, Networks, Switching Systems and Satellite Communications, Korea), July 1992.
  25. T. Sugiyama, H. Kazama, M. Morikura, S. Kubota, and S. Kato, “A Superposed SSMA-QPSK Signal Transmission Scheme over High Speed QPSK Signals in Non-linear Channels,” IEEE Second International Symposium on Spread Spectrum Techniques and Applications (Yokohama), pp.283-286, November 1992.
  26. K. Seki, Y. Matsumoto, K. Kobayashi, T. Sakata, M. Morikura, S. Kubota, and S. Kato, “A High Speed QPSK/OQPSK Digital Burst MODEM for LSIC Implementation,” Proc. GLOBECOM'92 (IEEE Global Telecommunications Conference, Orlando), pp.422-426, December 1992.
  27. M. Morikura, T. Sugiyama, H. Kazama, S. Kubota, and S. Kato, “Superposed Transmission of High Speed QPSK Signals and SSMA-QPSK Signals in Non-linear Channels,” Proc. GLOBECOM'92 (IEEE Global Telecommunications Conference, Orlando), pp.727-731, December 1992.
  28. M. Morikura, S. Nitta, K. Kawazoe, H. Kazama, and S. Kato, “Semi-autonomous Synchronization for TDMA-TDD Communication Systems,” Proc. VTC'93 (IEEE Vehicular Technology Society Conference, Secaucus, NJ), pp.297-300, May 1993.
  29. Y. Matsumoto, S. Kubota, M. Morikura, and S. Kato, “π/4-shift QPSK Coherent Detection Demodulator for TDMA-TDD Systems,” Proc. VTC'93 (IEEE Vehicular Technology Society Conference, Secaucus, NJ), pp.396-399, May 1993.
  30. H. Kazama, S. Nitta, K. Kawazoe, M. Morikura, and S. Kato, “Semi-autonomous Synchronization for TDMA-TDD Communication Systems,” Proc. GLOBECOM'93 (IEEE Global Telecommunications Conference , Houston), pp.527-531, December 1993.
  31. T. Sugiyama, H. Kazama, M. Morikura, S. Kubota, and S. Kato, “Burst Mode Interference Cancellation for Superposed Transmission of SSMA-QPSK Signals and TDMA-QPSK signals in Nonlinear Channels,” Proc. GLOBECOM'93 (IEEE Global Telecommunications Conference, Houston), pp.1612-1616, December 1993.
  32. T. Kumagai, M. Mizuguchi, T. Onizawa, H. Takanashi, and M. Morikura, “A Maximal Ratio Combining Frequency Diversity ARQ Scheme for OFDM Signals,” Proc. PIRMC'98 (Personal Indoor and Mobile Radio Communications, Boston), September 1998.
  33. M. Mizuguchi, T. Onizawa, T. Kumagai, H. Takanashi, and M. Morikura, “A Fast Burst Synchronization Scheme for OFDM,” Proc. ICUPC'98 (IEEE International Conference on Universal Personal Communications, Florence, Italy), vol.1, pp.125-129, October 1998.
  34. Y. Inoue, M. Iizuka, H. Takanashi, and M. Morikura, “A Reliable Multicast Protocol for Wireless Systems with Representative Acknowledgement Scheme,” Proc. MoMuC'98 (International Workshop on Mobile Multimedia Communications, Berlin), pp.205-212, October 1998.
  35. H. Kayama, H. Takanashi, and M. Morikura, “Efficient Multi-hop Transmission Schemes for High-Speed Wireless LAN Systems,” Networld + Interop '98 Engineer Conference (Atlanta), October 1998.
  36. M. Iizuka, T. Sakata, M. Mizoguchi, T. Ichikawa, H. Takanashi, and M. Morikura, “Development of High Speed Ethernet-based Wireless Access System (EWA) in the 5GHz band,” Proc. RAWCON '99 (The IEEE Radio and Wireless Conference, Denver), August 1999.
  37. T. Onizawa, M. Mizuguchi, T. Sakata, and M. Morikura, “A Simple Adaptive Channel Estimation Scheme for OFDM Systems,” Proc. VTC 1999-Fall (IEEE Vehicular Technology Society Conference, Amsterdam, Netherlands), vol. 1, pp.279-283, September 1999.
  38. T. Ichikawa, M. Iizuka, H. Takanashi, and M. Morikura, “Frame Transfer Protocol with Shortcut between Wireless Bridges,” Proc. VTC 1999-Fall (IEEE Vehicular Technology Society Conference, Amsterdam, Netherlands), vol.3, pp.1705-1709, September 1999.
  39. M. Mizoguchi, K. Enomoto, T. Onizawa, T. Kumagai, and M. Morikura, “The Performance of a Packet Mode OFDM Modem for 5GHz Band High-data-rate Wireless LANs,” Proc. MoMuC'99 (International Workshop on Mobile Multimedia Communications, San Diego), pp.295-299, November 1999.
  40. M. Morikura, “5GHz Band High Bit Rate Wireless LAN System,” Proc. MWE'99 (Microwave Workshops and Exhibition, Yokohama), pp.77-82, December 1999.
  41. T. Yokota, S. Miura, R. Ohmoto, and M. Morikura, “A Study on High Speed Wireless LAN System Employing Superposed Transmission Scheme,” Proc. 2000 Topical Symposium on Millimeter Waves, 7-2, Yokosuka, March 2000.
  42. S. Hori, T. Kumagai, T. Sakata, and M. Morikura, “A New Vector Error Measurement Scheme for Transmit Modulation Accuracy of OFDM Systems,” Proc. VTC 2000-Spring (IEEE Vehicular Technology Society Conference, Tokyo), 2.07-1, May 2000.
  43. T. Miyagi, M. Iizuka, and M. Morikura, “A Novel Route Reconstruction Protocol for P-MP Communication over Wireless Ad-hoc Network,” Proc. VTC 2000-Spring (IEEE Vehicular Technology Society Conference, Tokyo), PO-06-01 May 2000.
  44. Y. Inoue, K. Saitoh, M. Iizuka, and M. Morikura, “A Fair Data Transfer Method by Using A CoS Mechanism for the Fixed Wireless Access Systems,” Proc. WAS'2000 (The 2000 International Conference on Broadband Wireless Access Systems, San Francisco), pp.19-25, December 2000.
  45. S. Hori, T. Kumagai, M. Mizoguchi, and M. Morikrua, “A New Space Diversity Reception Scheme for Packet-Based OFDM Wireless Access Systems,” Proc. Wireless 2001 (The Thirteenth International Conference on Wireless Communications, Calgary), pp.555-563, July 2001.
  46. K. Saitoh, Y. Inoue, M. Iizuka, and M. Morikura, “Resource Management Scheme for Multimedia Data Transmission in IEEE802.11 Based Wireless LANs,” Conference Digest, AP-RASC'01 (2001 Asia-Pacific Radio Science Conference, URSI, Tokyo), pp.100, August 2001.
  47. T. Onizawa, M. Mizoguchi, T. Sakata, and M. Morikura, “A new simple adaptive phase tracking scheme employing phase noise estimation for OFDM signals,” Proc. VTC 2002-Spring (IEEE Vehicular Technology Society Conference, Birmingham), WE46, 3.4.6.2, May 2002.
  48. K. Saitoh, Y. Inoue, M. Iizuka, and M. Morikura, “An effective data transfer method by integrating priority control into multi-rate mechanisms for IEEE 802.11 wireless LANs,” Proc. VTC 2002-Spring (IEEE Vehicular Technology Society Conference, Birmingham), TU23, 2.2.3.2, May 2002.
  49. T. Hiraguri, T. Ichikawa, M. Iizuka, and M. Morikura, “Novel multiple access protocol for Voice over IP in Wireless LAN,” Proc. ISCC 2002 (The Seventh International Symposium on Computers and Communications, Taormina - Giardini Naxos, Italy), pp.517-523, July 2002.
  50. H. Matsue, M. Morikura, H. Hojo, K. Watanabe, T. Saito, and S. Aikawa, “Trends of Wireless Access Technologies for Ubiquitous Services,” Proc. EPMCC (European Personal Mobile Communications Conference, UK), April 2003.
  51. M. IIZUKA, M. MORIKURA and H. MATSUE, “Wireless Bridging and Routing Method Employing a Novel Frame Transfer Protocol with Shortcut,” Proc. IEEE Vehicular Technology Conference (VTC'03) ,p250-255, April 2003．
  52. S. Honda, D. Umehara, T. Hayasaki, S. Denno, and M. Morikura, “A fast bit loading algorithm synchronized with commercial power supply for in-home PLC systems,” Proceedings of the 2008 IEEE International Symposium on Power-Line Communications and Its Applications,Jeji Island, Korea, pp.336-341, April 2-4, 2008.
  53. D. Umehara, T. Hayasaki, S. Denno, and M. Morikura, “The influence of time-varying channels synchronized with commercial power supply on PLC equipments,” Proceedings of the 2008 IEEE International Symposium on Power-Line Communications and Its Applications, Jeji Island, Korea, pp.30-35, April 2-4, 2008.
  54. K. Hashimoto, S. Denno, D. Umehara, and M. Morikura, “Parallel Distortion Cancellation for FFT Equalizers in fast fading channels,” Proceedings of the 11th international symposium on wireless personal multimedia communications, Lapland, Finland, September 8-11, 2008.
  55. T. Hayasaki, D. Umehara, S. Denno, and M. Morikura, “A simulator of periodically switching channels for power line communications,” Proceedings of the 2008 Third International Conference on Access Networks, Las Vegas, Nevada, USA, October 15-17, 2008.
  56. H. Maruyama, S. Denno, D. Umehara and M. Morikura, “V-BLAST Detection Algorithms with Real Weight Vector for Spatial Multiplexing,” Proceedings of the 2008 International symposium on antennas and propagation, Taipei, Taiwan, October 27-30, 2008.
  57. D. Umehara, T. Hirano, S. Denno, and M. Morikura, “Throughput analysis of wireless relay slotted ALOHA systems with network coding,” Proceedings of the 2008 IEEE Global Telecommunications Conference, New Orleans, LA, USA, November 30-December 4, 2008.
  58. K. Watanabe, D. Umehara, S. Denno, and M. Morikura, “An initial acquisition method for channel synchronization on in-home power line communications,” Proceedings of the 2009 IEEE International Symposium on Power-Line Communications and Its Applications, Dresden, Germany, pp. 137-142, March 29-April 1, 2009.
  59. T. Hayasaki, D. Umehara, S. Denno, and M. Morikura, “A bit-loaded OFDMA for in-home power line communications,” Proceedings of the 2009 IEEE International Symposium on Power-Line Communications and Its Applications, Dresden, Germany, pp. 171-176, March 29-April 1, 2009.
  60. S. Denno, H. Maruyama, D. Umehara, and M. Morikura, “A virtual layered space time receiver with maximum likelihood channel detection,” Proceedings of the 2009 IEEE 69th Vehicular Technology Conference, Barcelona, Spain, 5 pages, April 26-29, 2009.
  61. M. Tamaoki, S. Denno, T. Furuno, and M. Morikura, “Adaptive multiband array for cancelling co-channel interference and imageband interference,” Proceedings of the 2009 IEEE 69th Vehicular Technology Conference, Barcelona, Spain, April26-29, 2009.
  62. K. Kawazoe, T. Yamaguchi, M. Horii, and M. Morikura, “Media Collaboration System for Next Generation IPTV Services,” Proceedings of the IEEE International Symposium on Consumer Electronics 2009, pp.317-319, Kyoto, Japan, May 2009.
  63. D. Umehara, T. Hirano, S. Denno, M. Morikura, and T. Sugiyama, “Analysis of network coding in slotted ALOHA with two-hop bidirectional traffic,” Proceedings of the 2009 IEEE International Conderence on Communications, Dresden, Germany, June 14-18, 2009.
  64. C. Huang, D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Performance analysis of a two-hop wireless relay network with CSMA/CA and network coding,” Proceedings of the 24th International Technical Conference on Circuits/Systems, Computers and Communications, Jeju Island, Korea, July 5-8, 2009.
  65. S. Denno, T. Fujita, D. Umehara, and M. Morikura, “A Quasi-Orthogonal STBC Concatenated with a Serial Concatenated Convolutional Code,” Proceedings of Asia Pacific Wireless Communication Symposium, Seoul, Korea, 2009.
  66. K. Liu, S. Denno, T. Furuno, and M. Morikura, “Image-Band Interference Cancellation for Multi-Mode/Band Receivers with Baseband AGC,” Proceedings of the 12th International Symposium on Wireless Multimedia Communications, Sendai, September 7-10, 2009.
  67. J. Imamura, S. Denno, D. Umehara, and M. Morikura, “Iterative detection with soft input for virtual layered space-frequency receivers,” Proceedings of the 20th Personal, Indoor and Mobile Radio Communications Symposium, Tokyo, Japan, 5 pages, September 13-16, 2009.
  68. D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Achievable region in slotted ALOHA throughput for one-relay two-hop wireless network coding,” Proceedings of the First International Conference on Ad Hoc Networks, Niagara Falls, Ontario, Canada, 16 pages, September 23-25, 2009.
  69. J. Imamura, S. Denno, D. Umehara, and M. Morikura, “A virtual layered space-frequency communication architecture with iterative decoding,” Proceedings of the 2009 IEEE Global Communications Conference, Honolulu, Hawaii, USA, 6 pages, November 30-December 4, 2009.
  70. D. Umehara, M. Morikura, T. Hisada, S. Ishiko, and S. Horihata, “Statistical impulse detection of in-vehicle power line noise using hidden Markov model,” Proceedings of the 2010 IEEE International Symposium on Power-Line Communications and Its Applications, Rio de Janeiro, Brazil, pp. 341-346, March 28-31, 2010.
  71. D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Throughput analysis of two-hop wireless CSMA network coding,” Proceedings of the 2010 IEEE International Conference on Communications, Capetown, South Africa, 6 pages, May 23-27, 2010.
  72. Y. Fujii, D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Saturated throughput analysis of unslotted CSMA-CA networks,” Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications, Pattaya, Thailand, pp. 688-691, July 4-7, 2010.
  73. Y. Nakato, D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Throughput enhancement with AIFS control in sigle-relay wireless networks,“ Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications, Pattaya, Thailand, pp. 740-743, July 4-7, 2010.
  74. M. Tanaka, D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Impacts of propagation delay on long distance access with IEEE 802.11 CSMA/CA,” Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications, Pattaya, Thailand, pp. 508-511, July 4-7, 2010.
  75. S. Denno, H. Homma, T. Furuno, and M. Morikura, “Blind equalization for an RF Hilbert transformer in heterodyne multiband receivers with a single receiver chain,” Proceedings of 2010 IEEE International Conference on Wireless Information Technology and Systems (ICWITS'10), Hawaii, USA, Aug. 28-Sep.3, 2010.
  76. R. Ohnishi, S. Denno, D. Umehara, and M. Morikura, “Complexity Reduced Detection For Virtual Layered Space Time Receivers,” Proceedings of the 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'10), Istanbul, Turkey, Sep.26-29, 2010. 　
  77. S. Denno, D. Umehara and M. Morikura, “A Least Bit Error Adaptive Array for Multi-Level Modulations,” Proceedings of international symposium on antennas and propagation (ISAP), Macau, China, Nov.23-26, 2010.
  78. J. Imamura, S. Denno, D. Umehara, and M. Morikura, “Iterative decoding on soft information for virtual layered space-frequency receivers,” Proceedings of 4th international conference on signal processing and communication systems (ICSPCS), Gold coast, Australia, Dec.13-15. 2010.
  79. S. Denno, I. Aoki, D. Umehara, and M. Morikura, “An iterative parallel OFDM demodulation for fast time-varying fading channels,” Proceedings of 4th international conference on signal processing and communication systems (ICSPCS), Gold coast, Australia, Dec.13-15. 2010.
  80. D. Umehara, S. Denno, M. Morikura, and T. Sugiyama, “Coded packet immediate access for contention-based wireless relay networks,” Proceedings of 4th international conference on signal processing and communication systems (ICSPCS), Gold coast, Australia, Dec.13-15. 2010.
  81. D. Umehara, C. Huang, S. Denno, M. Morikura, and T. Sugiyama, “Enhancement of IEEE 802.11 and network coding for single-relay multi-user wireless networks,” Proceedings of 4th international conference on signal processing and communication systems (ICSPCS), Gold coast, Australia, Dec.13-15. 2010.
  82. Y. Yabuuchi, D. Umehara, M. Morikura, T. Morita, S. Ishiko, and S. Horihata, “Low rate and high reliable modulation schemes for in-vehicle power line communications,” Proceedings of the 2011 IEEE International Symposium on Power-Line Communications and Its Applications, Udine, Italy, April 3-6, 2011.
  83. A. Taya, S. Denno, D. Umehara, M. Morikura, H. Murata, K. Yamamoto, and S. Yoshida, “A Virtual Layerd Space-Frequency Receiver for Multiuser MIMO-OFDM Systems,” Proceedings of the 2011 IEEE 74th Vehicular Technology Conference, San Francisco, USA, September 5-8, 2011.
  84. T. Ohta, S. Denno, M. Morikura, and T. Furuno, “A Multiband MIMO Receiver with Ordered Successive Detection for Cognitive Radio,” Proceedings of the 22th Personal, Indoor and Mobile Radio Communications Symposium, Toronto, Canada, September 11-14, 2011.
  85. M. Tanaka, D. Umehara, M. Morikura, N. Otsuki, and T. Sugiyama, “New Throughput Analysis of Long-Distance IEEE 802.11 Wireless Communication System for Smart Grid,” Proceedings of the second IEEE International Conference on Smart Grid Communications (IEEE SmartGridComm) Brussels, Belgium, pp. 90-95, Oct. 17-20, 2011.
  86. Y. Sangenya, D. Umehara, M. Morikura, N. Otsuki, and T. Sugiyama, “Novel Length Aware Packet Aggregation and Coding Scheme for Multi-hop Wireless LANs,” Proceedings of 5th international conference on signal processing and communication systems (ICSPCS), Hawaii, USA, Dec.12-14. 2011.
  87. S. Yoshikawa, S. Denno, and M. Morikura, “A Lattice-Reduction-Aided MIMO Receiver with Virtual Channel Detection,” Proceedings of 5th international conference on signal processing and communication systems (ICSPCS), Hawaii, USA, Dec.12-14. 2011.
  88. S. Denno, and M. Morikura, “A Virtual Layered Signal Processing Receiver for 16-QAM with Transmit Signal Rotation,” Proceedings of 5th international conference on signal processing and communication systems (ICSPCS), Hawaii, USA, Dec.12-14. 2011.
  89. S. Kumagawa, K. Yamamoto, H. Murata, S. Yoshida, D. Umehara, S. Denno, and M. Morikura, “Distributed Transmit Power Control for Distributed Antenna Systems Using MRC,” Proceedings of 8th international conference on information and communications and signal processing (ICICS), Singapore, Dec.13-16. 2011.
  90. T. Ohta, S. Denno, and M. Morikura, “A Reduced-Complexity Multiband MIMO Receiver with Estimation of Analog Devices Imperfection,” Proceedings of the 2012 IEEE 75th Vehicular Technology Conference, Yokohama, Japan, May 6-9, 2012.
  91. A. Taya, S. Denno, K. Yamamoto, M. Morikura, D. Umehara, H. Murata, and S. Yoshida,“A Virtual Successive Detection for Cooperative MU-MIMO Systems with Reduced CSI,” Proceedings of the 2012 IEEE 75th Vehicular Technology Conference, Yokohama, Japan, May 6-9, 2012.
  92. M. Taniguchi, H. Murata, S. Yoshida, , K. Yamamoto, D. Umehara, S. Denno, and M. Morikura,“Field Experiments of Linearly Precoded Multi-User MIMO System at 5GHz Band,” Proceedings of the 2012 IEEE 76th Vehicular Technology Conference, Quebec, Canada, Sep. 3-6, 2012.
  93. M. G. Kibria, H. Murata, S. Yoshida, K. Yamamoto, D. Umehara, S. Denno, and M. Morikura,“Partitioned Vector Quantization for MU-MIMO Downlink Broadcasting,” Proceedings of the 2012 IEEE 76th Vehicular Technology Conference, Quebec, Canada, Sep. 3-6, 2012.