[Japanese]

Domestic and non-refereed presentations

  1. Daisuke Umehara and Yamato Yoshikawa,
    A Study on Performance Analysis Model of Success Prioritized DCF,
    Proceedings of the 2021 IEICE General Conference, B-8-4, p. 125, Mar 9-12 (9), 2021 (in Japanese).
  2. Mana Yoshida and Daisuke Umehara,
    Performance Evaluation of Massive MIMO with Low-resolution ADCs over Spatially Correlated Channels,
    Proceedings of the 2021 IEICE General Conference, B-8-25, p. 146, Mar 9-12 (12), 2021 (in Japanese).
  3. Yamato Yoshikawa and Daisuke Umehara,
    Performance Analysis of Success-Prioritized DCF in Non-Saturated Condition,
    Technical Report of IEICE, vol. 120, no. 223, CS2020-59, Nonoichi, pp. 64-67, Nov 5-6 (6), 2020 (in Japanese).
  4. Daisuke Umehara,
    Distributed Control Schemes of Contention Window for Success Prioritized Non-persistent CSMA,
    Technical Report of IEICE, vol. 119, no. 256, CS2019-65, Kirishima, Kagoshima, pp. 15-20, Oct 31-Nov 1 (Oct 31), 2019.
  5. Daisuke Umehara,
    [Invited Lecture] Digital RoHR for Distributed Collaborative MIMO Reception,
    Technical Report of IEICE, vol. 119, no. 244, RCS2019-198, Yokosuka, pp. 109-114, Oct 24-25 (25), 2019.
  6. Daisuke Umehara,
    Quantization to Forward Received MIMO-OFDM Signals,
    Proceedings of the 2019 Communications Society Conference of IEICE, B-8-27, Osaka, Sep 10-13 (13), 2019.
  7. Takeyuki Shishido and Daisuke Umehara,
    A Study on CAN with Bipolar Coding in the Data Phase Compatible with CAN FD and Its Scalability,
    Proceedings of the 2019 Communications Society Conference of IEICE, BS-4-3, Osaka, Sep 10-13 (10), 2019.
  8. Daisuke Umehara,
    [Invited Talk] Analysis and Design of Success Prioritized Busy Doubled Backoff Algorithm for Non-persistent CSMA,
    Technical Report of IEICE, vol. 119, no. 101, CS2019-36, Amami, Kagoshima, pp. 101-106, Jul 4-5 (4), 2019.
  9. Yamato Yoshikawa and Daisuke Umehara,
    Downlink Bandwidth Allocation Control by Success Prioritized DCF,
    Technical Report of IEICE, vol. 119, no. 101, CS2019-29, Amami, Kagoshima, pp. 63-65, Jul 4-5 (4), 2019 (in Japanese).
  10. Takahiro Hara and Daisuke Umehara,
    Effects of Comparator on CAN Transmission Characteristics,
    Technical Report of IEICE, vol. 119, no. 101, CS2019-30, Amami, Kagoshima, pp. 67-72, Jul 4-5 (4), 2019 (in Japanese).
  11. Daisuke Umehara,
    Throughput Maximization for Success Prioritized Non-persistent CSMA,
    Proceedings of the 2019 IEICE General Conference, B-8-10, Waseda University, Tokyo, p. 142, Mar 19-22 (19), 2019.
  12. Daisuke Umehara,
    Success Prioritized Busy Doubled Backoff Algorithm for Non-persistent CSMA,
    Technical Report of IEICE, vol. 118, no. 489, CS2018-120, Shonan Institute of Technology, pp. 75-29, Mar 8-9 (9), 2019.
  13. Daisuke Umehara,
    Success Prioritized Non-persistent CSMA with Sleep Funtion,
    Technical Report of IEICE, vol. 118, no. 275, CS2018-60, Matsuyama, pp. 25-29, Nov 1-2 (1), 2018.
  14. Daisuke Umehara and Takeyuki Shishido,
    Ringing Mitigation Schemes for Controller Area Network,
    Technical Report of IEICE, vol. 118, no. 275, CS2018-61, Matsuyama, pp. 31-36, Nov 1-2 (1), 2018.
  15. Daisuke Umehara,
    [Special Invited Talk] Controller Area Network and Its Reduced Wiring Technology,
    Technical Report of IEICE, vol. 118, no. 7, CS2018-4, Hiroshima, pp. 17-22, Apr 19-20 (19), 2018.
  16. Yudai Tanaka and Daisuke Umehara,
    Effect of the Number of Transmitting and Receiving Antennas on Collaborative Interference Canceller with PAM-RoHR,
    Technical Report of IEICE, vol. 118, no. 7, CS2018-1, Hiroshima, pp. 1-6, Apr 19-20 (19), 2018 (in Japanese).
  17. Keisuke Kawahara, Daisuke Umehara, and Koichiro Wakasugi,
    A Derivation of Multiphase Complementary Codes with Cross-Orthogonality Properties,
    Proceedings of the 40th Symposium on Information Theory and its Applications (SITA 2017), 9.4.3, Shibata, Niigata, Nov 28-Dec 1 (Dec 1), 2017 (in Japanese).
  18. Takuhiro Maeda, Daisuke Umehara, and Koichiro Wakasugi,
    A Consideration of Cross-Orthogonality Properties for Four-Sequences Complementary Codes,
    Proceedings of the 40th Symposium on Information Theory and its Applications (SITA 2017), 9.4.4, Shibata, Niigata, Nov 28-Dec 1 (Dec 1), 2017 (in Japanese).
  19. Daisuke Umehara,
    [Invited Talk] Design and analysis of success prioritized slotted ALOHA with sleep function,
    Technical Report of IEICE, vol. 117, no. 156, CS2017-29, Goto, Nagasaki, pp. 83-88, Jul 27-28 (27), 2017.
  20. Takuma Yamamoto, Daisuke Umehara, and Koichiro Wakasugi,
    Characterization of contention window for success prioritized CSMA/CA,
    Technical Report of IEICE, vol. 117, no. 134, ASN2017-12, Sapporo, pp. 1-7, Jul 19-21 (19), 2017 (in Japanese).
  21. Yuto Katayama, Daisuke Umehara, and Koichiro Wakasugi,
    A mathematical model of access control to allocate downlink bandwidth in high-density wireless LAN,
    Technical Report of IEICE, vol. 117, no. 134, ASN2017-13, Sapporo, pp. 9-14, Jul 19-21 (19), 2017 (in Japanese).
  22. Rieko Saiki, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Performance evaluation of collaborative interference canceller with quantization error and spatial correlation,
    Technical Report of IEICE, vol. 117, no. 132, RCS2017-104, Sapporo, pp. 67-72, Jul 19-21 (19), 2017 (in Japanese).
  23. Hideya Kitayama, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Development of mobile terminal dual band antenna for collaborative interference canceller,
    Technical Report of IEICE, vol. 117, no. 132, RCS2017-104, Sapporo, pp. 73-78, Jul 19-21 (19), 2017 (in Japanese).
  24. Satoshi Denno, Hidekazu Murata, and Daisuke Umehara,
    Terminal collaborative reception with adaptive selection of relaying frequency bands,
    Proceedings of the 2017 IEICE General Conference, B-5-90, Nagoya, Mar 22-25 (25), 2017 (in Japanese).
  25. Daisuke Umehara, Rieko Saiki, Hidekazu Murata, and Satoshi Denno,
    Capacity of collaborative interference canceller: Quantization error and spatial correlation,
    Technical Report of IEICE, vol. 116, no. 468, CS2016-86, Hikone, pp. 63-68, Feburuary 23-24 (24), 2017 (in Japanese).
  26. Daisuke Umehara, Shuhei Ueno, Ryota Akagi, Hidekazu Murata, and Satoshi Denno,
    A study of received signal sharing schemes for collaborative interference canceller,
    Technical Report of IEICE, vol. 116, no. 468, CS2016-87, Hikone, pp. 69-74, Feburuary 23-24 (24), 2017.
  27. Daisuke Umehara and Kanji Takeda,
    Energy analysis of success prioritized slotted ALOHA with sleep mode,
    Technical Report of IEICE, vol. 116, no. 468, CS2016-88, Hikone, pp. 75-79, Feburuary 23-24 (24), 2017 (in Japanese).
  28. Tateyuki Shishido, Tatsuki Matsushita, Daisuke Umehara, and Koichiro Wakasugi,
    Bipolar NRZ coded architecture for CAN FD and its performance evaluation,
    Technical Report of IEICE, vol. 116, no. 401, CS2016-64, Fukuoka, pp. 1-6, Jan 19-20 (19), 2017 (in Japanese).
  29. Junya Suehiro, Daisuke Umehara, and Koichiro Wakasugi,
    A consideration on multifrequency quasi-complementary phase-code for radar pulse compression,
    Proceedings of the 39th Symposium on Information Theory and its Applications (SITA 2016), Takayama Green Hotel, Gifu, pp. 120-123, Dec 12-16 (14), 2016 (in Japanese).
  30. Toshihisa Yamada, Daisuke Umehara, Koichiro Wakasugi, and Takanori Iwamatsu,
    A consideration on pulse compression for MIMO radars based on space-time coded complementary codes,
    Proceedings of the 39th Symposium on Information Theory and its Applications (SITA 2016), Takayama Green Hotel, Gifu, pp. 204-209, Dec 12-16 (14), 2016 (in Japanese).
  31. Hidekazu Murata, Daisuke Umehara, and Satoshi Denno,
    Collaborative MIMO communication system exploiting higher-frequency bands ,
    Technical Report of IEICE, vol. 116, no. 308, ASN2016-45, Nagoya, pp. 1-5, Nov 17-18 (17), 2016 (in Japanese).
  32. Daisuke Umehara,
    Success prioritized random backoff algorithm: Slotted ALOHA,
    Technical Report of IEICE, vol. 116, no. 293, CS2016-43, Hakodate, pp. 19-22, Nov 10-11 (10), 2016 (in Japanese).
  33. Hidekazu Murata, Daisuke Umehara, and Satoshi Denno,
    [Technology Exhibit] Collaborative MIMO receiver exploiting higher-frequency bands,
    Technical Report of IEICE, vol. 116, no. 276, SR2016-62, Osaka, pp. 33-37, Oct 27-28 (27), 2016 (in Japanese).
  34. Daisuke Umehara,
    Success prioritized random access protocol — Beyond 1/e in slotted ALOHA —,
    Technical Report of IEICE, vol. 116, no. 202, CQ2016-71, Tsukuba, pp. 123-128, Aug 29-30 (30), 2016 (in Japanese).
  35. Keisuke Kawahara, Daisuke Umehara, and Koichiro Wakasugi,
    A consideration on generator matrix structures for space-time coded MIMO radar,
    Technical Report of IEICE, vol. 116, no. 163, IT2016-32, Fukuoka, pp. 63-68, Jul 28-29 (29), 2016 (in Japanese).
  36. Takuhiro Maeda, Daisuke Umehara, and Koichiro Wakasugi,
    Four-sequence complementary codes and their generation for radar pulse compressions,
    Technical Report of IEICE, vol. 116, no. 163, IT2016-33, Fukuoka, pp. 69-74, Jul 28-29 (29), 2016 (in Japanese).
  37. Yuto Katayama, Daisuke Umehara, and Koichiro Wakasugi,
    A study on back-off time with fair two-way throughput in wireless LANs,
    Technical Report of IEICE, vol. 116, no. 62, CQ2016-18, Fukuoka, pp. 33-38, May 24-25 (24), 2016 (in Japanese).
  38. Kazuki Seyama, Isamu Shitara, Kentaro Nishimori, Daisuke Umehara, Yoshiaki Morino, and Takefumi Hiraguri,
    A study of modulation selection method suitable for SVC video transmission using eigenmode MIMO,
    Technical Report of IEICE, vol. 116, no. 62, CQ2016-20, Fukuoka, pp. 45-48, May 24-25 (24), 2016 (in Japanese).
  39. Akifumi Kawanishi, Daisuke Umehara, and Koichiro Wakasugi,
    Experimental evaluation of HomePlug AV2 for in-vehicle networks,
    Technical Report of IEICE, vol. 116, no. 62, CQ2016-23, Fukuoka, pp. 61-65, May 24-25 (24), 2016 (in Japanese).
  40. Daisuke Umehara, Shuhei Ueno, Ryota Akagi, Hidekazu Murata, and Satoshi Denno,
    A study on helper MIMO and its decoding procedure,
    Technical Report of IEICE, vol. 116, no. 62, CQ2016-30, Fukuoka, pp. 101-106, May 24-25 (24), 2016 (in Japanese).
  41. Kanji Takeda, Daisuke Umehara, and Koichiro Wakasugi,
    Modeling energy consumption in Bluetooth LE while connected,
    Technical Report of IEICE, vol. 116, no. 62, CQ2016-31, Fukuoka, pp. 107-112, May 24-25 (24), 2016 (in Japanese).
  42. Isamu Shitara, Kentaro Nishimori, Daisuke Umehara, Yoshiaki Morino, and Takefumi Hiraguri,
    Proposal of Dual coding system using a eigenmode transmission mode scheme,
    Proceedings of the 2016 IEICE General Conference, B-8-2, Fukuoka, Mar 15-18 (15), 2016 (in Japanese).
  43. Kazuki Hiramoto, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    A study of wideband OQPSK and its frequency domain equalization,
    Proceedings of the 2016 IEICE General Conference, B-8-60, Fukuoka, Mar 15-18 (18), 2016 (in Japanese).
  44. Daisuke Umehara, Shuhei Ueno, Ryota Akagi, Hidekazu Murata, and Satoshi Denno,
    Performance evaluation of collaborative interference canceller with received signal frame sharing,
    Technical Report of IEICE, vol. 115, no. 472, RCS2015-367, Meguro, Tokyo, pp. 205-210, Mar 2-4 (3), 2016 (in Japanese).
  45. Hidekazu Murata, Daisuke Umehara, and Satoshi Denno,
    Collaborative interference cancellation exploiting higher-frequency bands,
    Technical Report of IEICE, vol. 115, no. 472, RCS2015-368, Meguro, Tokyo, pp. 211-214, Mar 2-4 (3), 2016 (in Japanese).
  46. Ryota Akagi, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Performance evaluation of collaborative interference canceller using analog RoHR,
    Technical Report of IEICE, vol. 115, no. 461, CS2015-85, Shirahama, Wakayama, pp. 1-5, Feb 25-26 (25), 2016 (in Japanese).
  47. Yusuke Matsuo, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Performance evaluation of Bluetooth LE device discovery on simultaneous multiple access,
    Technical Report of IEICE, vol. 115, no. 406, CS2015-83, Kagoshima, pp. 61-66, Jan 21-22 (22), 2016 (in Japanese).
  48. Satoshi Nakao, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Joint performance evaluation of precoding and BP decoding for physical-layer network coding,
    Technical Report of IEICE, vol. 115, no. 406, CS2015-84, Kagoshima, pp. 67-72, Jan 21-22 (22), 2016 (in Japanese).
  49. Daisuke Umehara,
    [Special Invited Talk] A novel approach for distributed random access networks — Various effects of priority to successful transmission station —,
    Technical Report of IEICE, vol. 115, no. 327, CQ2015-82, Niigata, pp. 37-42, Nov 26-27 (26), 2015 (in Japanese).
  50. Isamu Shitara, Yoshiaki Morino, Takefumi Hiraguri, Syunya Yokoyama, Daisuke Umehara, Kentaro Nishimori,
    Proposal of video transmission using dual coding scheme,
    Technical Report of IEICE, vol. 115, no. 327, CQ2015-86, Niigata, pp. 61-64, Nov 26-27 (27), 2015 (in Japanese).
  51. Shuhei Ueno, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Impact assessment of digital RoHR for collaborative interference cancellation,
    Technical Report of IEICE, vol. 115, no. 304, CS2015-54, Hokkaido, pp. 53-58, Nov 12-13 (13), 2015 (in Japanese).
  52. Toshihisa Yamada, Daisuke Umehara, Koichiro Wakasugi, and Takanori Iwamatsu,
    A consideration on performance evaluation of linear/rectangular array LOS-MIMO systems,
    Technical Report of IEICE, vol. 115, no. 304, CS2015-55, Hokkaido, pp. 59-64, Nov 12-13 (13), 2015 (in Japanese).
  53. Yuta Kawaguchi, Satoshi Denno, Hidekazu Murata, and Daisuke Umehara,
    Study on performance improvement of cooperative reception system,
    Technical Report of IEICE, vol. 115, no. 275, SRW2015-51, Tokyo, pp. 1-5, Oct 28 (28), 2015 (in Japanese).
  54. Daisuke Umehara,
    [Invited Lecture] On received frame sharing protocol for collaborative interference cancellation,
    ITE Technical Report, vol. 39, no. 38, BCT2015-71, Yamagata, pp. 9-12, Oct 23 (23), 2015 (in Japanese).
  55. Yuta Kawaguchi, Satoshi Denno, Hidekazu Murata, and Daisuke Umehara,
    Study on transmission efficiency in cooperative reception system,
    Proceedings of the 2015 Communications Society Conference of IEICE, B-5-20, Sendai, Sep 8-11 (9), 2015 (in Japanese).
  56. Isamu Shitara, Yoshiaki Morino, Takefumi Hiraguri, Takuya Shindo, Daisuke Umehara, and Kentaro Nishimori,
    Evaluation of two-way wireless transmission system with frame code rate allocation method in propagation error environment,
    Proceedings of the 2015 Communications Society Conference of IEICE, B-11-5, Sendai, Sep 8-11 (8), 2015 (in Japanese).
  57. Daisuke Nose, Daisuke Umehara, and Koichiro Wakasugi,
    A consideration on MIMO radar coding based on space-time coded complementary codes,
    Technical Report of IEICE, vol. 115, no. 214, IT2015-41, Kaga, Ishikawa, pp. 43-48, Sep 4 (4), 2015 (in Japanese).
  58. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    A study of received frame sharing protocol for collaborative interference cancellation,
    Technical Report of IEICE, vol. 115, no. 206, CQ2015-58, Kyoto, pp. 107-112, Sep 1-2 (2), 2015 (in Japanese).
  59. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    A study of IEEE 802.11 DCF with successful transmission priority,
    Technical Report of IEICE, vol. 115, no. 206, CQ2015-60, Kyoto, pp. 119-124, Sep 1-2 (2), 2015 (in Japanese).
  60. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    A study of CW optimization in IEEE 802.11 DCF network coding,
    Technical Report of IEICE, vol. 115, no. 206, CQ2015-64, Kyoto, pp. 143-148, Sep 1-2 (2), 2015 (in Japanese).
  61. Yuta Kawaguchi, Satoshi Denno, Hidekazu Murata, and Daisuke Umehara,
    Lattice reduction aided SIC detector and its performance,
    Technical Report of IEICE, vol. 115, no. 160, RCS2015-128, Nagano, pp. 163-167, Jul 29-31 (31), 2015 (in Japanese).
  62. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Radio over higher-frequency radio (RoHR) for distributed MIMO reception,
    Technical Report of IEICE, vol. 115, no. 123, CS2015-9, Kume Island, pp. 1-6, Jul 2-3 (2), 2015 (in Japanese).
  63. Tatsuki Matsushita, Daisuke Umehara, and Koichiro Wakasugi,
    Power over data lines for CAN using AMI codes and its transmission characteristics,
    Technical Report of IEICE, vol. 115, no. 123, CS2015-10, Kume Island, pp. 7-12, Jul 2-3 (2), 2015 (in Japanese).
  64. Natsumi Sato, Daisuke Umehara, and Koichiro Wakasugi,
    Symbol detection with OR rule for CAN FD and its performance evaluation,
    Technical Report of IEICE, vol. 115, no. 123, CS2015-11, Kume Island, pp. 13-18, Jul 2-3 (2), 2015 (in Japanese).
  65. Daisuke Umehara,
    Transmission efficiency and communication quality in wireless network coding,
    Proceedings of the 2015 IEICE General Conference, BI-5-3, Kusatsu, Shiga, Mar 10-13 (10), 2015 (in Japanese).
  66. Tateyuki Shishido, Daisuke Umehara, Motoki Mizuma, and Koichiro Wakasugi,
    Distributed silent-interval impedance matching for high-rate short pulse CAN,
    Proceedings of the 2015 IEICE General Conference, B-8-30, Kusatsu, Shiga, Mar 10-13 (11), 2015 (in Japanese).
  67. Motoki Mizuma, Daisuke Umehara, and Koichiro Wakasugi,
    Experimental evaluation of high-rate CAN with distributed silent-interval impedance matching,
    Proceedings of the 2015 IEICE General Conference, B-8-31, Kusatsu, Shiga, Mar 10-13 (11), 2015 (in Japanese).
  68. Natsumi Sato, Daisuke Umehara, Tomohiro Takahashi, and Koichiro Wakasugi,
    A study on symbol detection with OR rule for CAN FD,
    Proceedings of the 2015 IEICE General Conference, B-8-32, Kusatsu, Shiga, Mar 10-13 (11), 2015 (in Japanese).
  69. Tatsuki Matsushita, Daisuke Umehara, Tomohiro Takahashi, and Koichiro Wakasugi,
    A study on Power over CAN using AMI line code,
    Proceedings of the 2015 IEICE General Conference, B-8-33, Kusatsu, Shiga, Mar 10-13 (11), 2015 (in Japanese).
  70. Yusuke Matsuo, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Performance evaluation of device discovery protocol in Bluetooth LE,
    Proceedings of the 2015 IEICE General Conference, B-11-15, Kusatsu, Shiga, Mar 10-13 (11), 2015 (in Japanese).
  71. Satoshi Nakao, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    5 GHz band OFDM packet transmission characteristics using USRP,
    Technical Report of IEICE, vol. 114, no. 463, CS2014-95, Tottori, pp. 19-24, Feb 26-27 (26), 2015 (in Japanese).
  72. Futa Kimura, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Throughput evaluation of PNC-DF relaying with echo-MIMO estimation,
    ITE Technical Report, vol. 39, no. 6, BCT2015-25, Toba, pp. 1-4, Feb 19-20 (19), 2015 (in Japanese).
  73. Kosuke Ohi, Daisuke Umehara, and Koichiro Wakasugi,
    Performance evaluation of multiple access on HD-PLC for in-vehicle networks,
    Technical Report of IEICE, vol. 114, no. 402, CS2014-81, Tokushima, pp. 1-6, Jan 22-23 (22), 2015 (in Japanese).
  74. Tomohiro Takahashi, Daisuke Umehara, and Koichiro Wakasugi,
    Ringing reduced CAN FD and its performance evaluation,
    Technical Report of IEICE, vol. 114, no. 402, CS2014-82, Tokushima, pp. 7-12, Jan 22-23 (22), 2015 (in Japanese).
  75. Tomohito Seki, Daisuke Umehara, Koichiro Wakasugi, and Takanori Iwamatsu,
    Performance of the Alamouti coded OFDM in the presence of polarization diversity,
    Technical Report of IEICE, vol. 114, no. 402, CS2014-87, Tokushima, pp. 37-40, Jan 22-23 (23), 2015 (in Japanese).
  76. Tetsuto Morishima, Daisuke Umehara, and Koichiro Wakasugi,
    Performance of transmission power control for large-scale and non-uniform node distribution ad-hoc networks,
    Technical Report of IEICE, vol. 114, no. 402, CS2014-88, Tokushima, pp. 41-45, Jan 22-23 (23), 2015 (in Japanese).
  77. Takuma Nishiyama, Daisuke Umehara, and Koichiro Wakasugi,
    A ZCZ sequence pair set using extended complementary codes for MIMO radar,
    Proceedings of the 37th Symposium on Information Theory and its Applications (SITA 2014), Unazuki New Otani Hotel, Toyama, pp. 451-455, Dec 9-12 (11), 2014 (in Japanese).
  78. Daisuke Nose, Daisuke Umehara, and Koichiro Wakasugi,
    A consideration on pulse compression for MIMO radars based on space-time coded complementary codes,
    Proceedings of the 37th Symposium on Information Theory and its Applications (SITA 2014), Unazuki New Otani Hotel, Toyama, pp. 378-382, Dec 9-12 (11), 2014 (in Japanese).
  79. Futa Kimura, Daisuke Umehara, and Koichiro Wakasugi,
    A study on echo-MIMO channel estimation for PNC-DF relaying,
    Technical Report of IEICE, vol. 114, no. 289, CS2014-71, Shiretoko, Hokkaido, pp. 105-110, Nov 6-7 (7), 2014 (in Japanese).
  80. Daisuke Umehara and Kosuke Ohi,
    A study on high-rate and high-capacity network bus for wiring harness simplification,
    Technical Report of IEICE, vol. 114, no. 209, CQ2014-60, Ishinomaki, Miyagi, pp. 117-122, Sep 11-12 (12), 2014 (in Japanese).
  81. Yusuke Matsuo, Daisuke Umehara, and Koichiro Wakasugi,
    Performance evaluation of device discovery time in Bluetooth LE with probabilistic model checking,
    Technical Report of IEICE, vol. 114, no. 209, CQ2014-61, Ishinomaki, Miyagi, pp. 123-128, Sep 11-12 (12), 2014 (in Japanese).
  82. Satoshi Nakao, Daisuke Umehara, and Koichiro Wakasugi,
    Influence analysis of TX/RX IQ imbalance for OFDM-4QAM,
    Technical Report of IEICE, vol. 114, no. 209, CQ2014-62, Ishinomaki, Miyagi, pp. 129-134, Sep 11-12 (12), 2014 (in Japanese).
  83. Daisuke Umehara, Naoki Shimizu, and Koichiro Wakasugi,
    Throughput estimation of a decode-and-forward protocol with physical-layer network coding,
    Technical Report of IEICE, vol. 114, no. 209, CQ2014-63, Ishinomaki, Miyagi, pp. 135-140, Sep 11-12 (12), 2014 (in Japanese).
  84. Tomohiro Takahashi, Motoki Mizuma, Daisuke Umehara, Koichiro Wakasugi, Toshiyasu Tsubouchi, Keigo Takahashi,
    [Invited Talk] Silent-interval impedance matching for short pulse CAN to reduce ringing,
    Technical Report of IEICE, vol. 114, no. 119, CS2014-26, Tanegashima, pp. 55-66, Jul 3-4 (3), 2014 (in Japanese).
  85. Satoshi Nakao, Daisuke Umehara, Koichiro Wakasugi,
    Influence evaluation of TX/RX IQ imbalance for OFDM,
    Technical Report of IEICE, vol. 114, no. 119, CS2014-32, Tanegashima, pp. 91-96, Jul 3-4 (4), 2014 (in Japanese).
  86. Motoki Mizuma, Daisuke Umehara, Koichiro Wakasugi, Toshiyasu Tsubouchi, Keigo Takahashi,
    Experimental verification of ringing mitigation methods for high-rate and high-multiplexing CAN,
    Proceedings of the 2014 IEICE General Conference, B-8-25, Niigata, Mar 18-21, 2014 (in Japanese).
  87. Lengchi Cao, Satoshi Denno, and Daisuke Umeahra,
    Physical layer network coding of MIMO system using THP,
    Technical Report of IEICE, vol. 113, no. 361, RCS2013-242, Takamatsu, Kagawa, pp. 207-212, Dec 18-20 (20), 2013 (in Japanese).
  88. Takuya Fukuoka, Daisuke Umehara, and Koichiro Wakasugi,
    Synchronization analysis of indoor GPS receiver with GPS re-radiation antenna,
    Technical Report of IEICE, vol. 113, no. 339, CS2013-71, Kyoto, pp. 81-86, Dec 5-6 (5), 2013 (in Japanese).
  89. Naoki Shimizu, Daisuke Umehara, and Koichiro Wakasugi,
    Throughput analysis of PNC cooperative relay over frequency selective fading channels,
    Technical Report of IEICE, vol. 113, no. 339, CS2013-72, Kyoto, pp. 87-92, Dec 5-6 (5), 2013 (in Japanese).
  90. Kousuke Ohi, Daisuke Umehara, and Koichiro Wakasugi,
    Experimental evaluation of HD-PLC for in-vehicle networks,
    Technical Report of IEICE, vol. 113, no. 339, CS2013-76, Kyoto, pp. 113-118, Dec 5-6 (6), 2013 (in Japanese).
  91. Shingo Nitta, Daisuke Umehara, Koichiro Wakasugi, Toshiyasu Tsubouchi, and Keigo Takahashi,
    A study on evaluation method of cascaded twisted pair cables,
    Technical Report of IEICE, vol. 113, no. 339, CS2013-77, Kyoto, pp. 119-123, Dec 5-6 (6), 2013 (in Japanese).
  92. Takuma Nishiyama, Daisuke Umehara, and Koichiro Wakasugi,
    A consideration of pulse compression scheme for orthogonal MIMO radar waveforms,
    Proceedings of the 36th Symposium on Information Theory and its Applications (SITA 2013), Ito Hotel Juraku, Shizuoka, pp. 279-284, Nov 26-29, 2013 (in Japanese).
  93. Ayako Inoue, Daisuke Umehara, and Koichiro Wakasugi,
    Structure analysis of large-scale non-uniformly-distributed ad-hoc networks with node failures,
    Proceedings of the 36th Symposium on Information Theory and its Applications (SITA 2013), Ito Hotel Juraku, Shizuoka, pp. 547-551, Nov 26-29, 2013 (in Japanese).
  94. Daisuke Umehara,
    Short pulse line codes for high rate and high multiplexing CAN and its optimization problems,
    Proceedings of 25th RAMP Symposium, Kagoshima, pp. 68-81, Oct 29-30, 2013 (in Japanese).
  95. Suguru Saito, Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental performance evaluation of multi-user MIMO experimental system with user selection schemes in actual indoor environment,
    Technical Report of IEICE, vol. 113, no. 130, RCS2013-79, Hamamatsu, Shizuoka, pp. 7-12, Jul 17-19 (17), 2013 (in Japanese).
  96. Satoshi Denno and Daisuke Umehara,
    XOR physical layer network coding with error control techniques and its performance,
    Technical Report of IEICE, vol. 113, no. 130, RCS2013-121, Hamamatsu, Shizuoka, pp. 235-240, Jul 17-19 (19), 2013 (in Japanese).
  97. Tomohiro Takahashi, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    A study on event-driven impedance matching for short pulse CAN,
    Technical Report of IEICE, vol. 113, no. 114, CS2013-26, Yonaguni Island, Okinawa, pp. 97-102, Jul 4-5 (5), 2013 (in Japanese).
  98. Satoshi Denno, Mio Maekawa, and Daisuke Umehara,
    An error correction technique for XOR physical layer network coding,
    Technical Report of IEICE, vol. 113, no. 10, SRW2013-10, Tokyo, pp. 49-54, Apr 19 (19), 2013 (in Japanese).
  99. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Distributed control of channel spacing and transmit power for multi-user distributed antenna systems,
    Proceedings of the 2013 IEICE General Conference, B-5-196, Gifu, Mar 19-22, 2013 (in Japanese).
  100. Tomohiro Takahashi, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    Event-driven impedance matching to reduce ringing for short pulse CAN,
    Proceedings of the 2013 IEICE General Conference, B-8-1, Gifu, Mar 19-22, 2013 (in Japanese).
  101. Shingo Nitta, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    A study on analytical model of cascaded twisted pair cable with scattering transfer matrix,
    Proceedings of the 2013 IEICE General Conference, B-8-2, Gifu, Mar 19-22, 2013 (in Japanese).
  102. Takuya Fukuoka, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    An experimental study on synchronization delay of GPS re-radiation antenna system,
    Proceedings of the 2013 IEICE General Conference, B-8-13, Gifu, Mar 19-22, 2013 (in Japanese).
  103. Daisuke Umehara, Yuichi Obata, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Bidirectional throughput characteristics of LDPC coded CoMP-DF-PLNC relaying,
    Proceedings of the 2013 IEICE General Conference, B-8-19, Gifu, Mar 19-22, 2013 (in Japanese).
  104. Katsuhiro Minoru, Daisuke Umehara, and Koichiro Wakasugi,
    An evaluation of MIMO radar beamforming based on signal cross-correlation,
    Technical Report of IEICE, vol. 112, no. 486, CS2012-133, Tsuruoka, Yamagata, pp. 181-186, Mar 14-15 (15), 2013 (in Japanese).
  105. Masato Taniguchi, Suguru Saito, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    SDR-based implementation of multi-User MIMO experimental system,
    Technical Report of IEICE, vol. 112, no. 443, RCS2012-293, Tokyo, pp. 55-60, Feb 27-Mar 1 (27), 2013 (in Japanese).
  106. Suguru Saito, Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of user selection schemes in multi-user MIMO experimental system,
    Technical Report of IEICE, vol. 112, no. 443, RCS2012-295, Tokyo, pp. 67-72, Feb 27-Mar 1 (27), 2013 (in Japanese).
  107. Takahiro Anzai, Daisuke Umehara, and Koichiro Wakasugi,
    Subgraph extraction from large-scale networks based on eigenmode analysis,
    Proceedings of the 35th Symposium on Information Theory and its Applications (SITA 2012), Beppu, Oita, pp. 596-599, Dec 11-14, 2012 (in Japanese).
  108. Katsuhiro Minoru, Daisuke Umehara, and Koichiro Wakasugi,
    Evaluations of a flexible MIMO radar system using signal cross-correlation,
    Proceedings of the 35th Symposium on Information Theory and its Applications (SITA 2012), Beppu, Oita, pp. 67-71, Dec 11-14, 2012 (in Japanese).
  109. Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Field experiment on effect of received data sharing in multi-hop cooperative communications,
    Technical Report of IEICE, vol. 112, no. 351, RCS2012-198, Matsuyama, pp. 83-88, Dec 13-14 (13), 2012 (in Japanese).
  110. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of frequency channel spacing under common channel interference,
    Technical Report of IEICE, vol. 112, no. 351, RCS2012-219, Matsuyama, pp. 215-220, Dec 13-14 (14), 2012 (in Japanese).
  111. Daisuke Umehara, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    [Invited Talk] Approach to wiring harness simplification in in-vehicle communication networks,
    Technical Report of IEICE, vol. 112, no. 264, WBS2012-34, Kyoto, pp. 45-50, Oct 26 (26), 2012 (in Japanese).
  112. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental study of antenna arrangement in multi-user MIMO systems,
    Proceedings of the 2012 Communications Society Conference of IEICE, B-5-39, Toyama, Sep 11-14, 2012 (in Japanese).
  113. Mirza Golam Kibria, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Partitioned vector quantization based non-linear precoding in MU-MISO downlink,
    Proceedings of the 2012 Communications Society Conference of IEICE, B-5-54, Toyama, Sep 11-14, 2012.
  114. Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental study of effect of received data sharing in multi-hop cooperative relaying,
    Proceedings of the 2012 Communications Society Conference of IEICE, B-20-1, Toyama, Sep 11-14, 2012 (in Japanese).
  115. Ryo Shinohara, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Transmission performance of USRP/UHD wireless terminal for multi-uesr MIMO systems,
    Technical Report of IEICE, vol. 112, no. 147, WBS2012-10, Nogoya, pp. 1-6, Jul 25-26 (25), 2012 (in Japanese).
  116. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Impact of antenna arrangement on transmission performance in multi-user MIMO experimental system,
    Technical Report of IEICE, vol. 112, no. 132, RCS2012-91, Morioka, pp. 97-101, Jul 19-20 (20), 2012 (in Japanese).
  117. Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Collaborative interference cancellation in ad-hoc mobile networks,
    Technical Report of IEICE, vol. 112, no. 122, AN2012-23, Morioka, pp. 45-48, Jul 13 (13), 2012 (in Japanese).
  118. Takuya Fukuoka, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Performance evaluation of synchronization for indoor wireless communications with GPS re-radiation antenna,
    Technical Report of IEICE, vol. 112, no. 118, CS2012-38, Okierabu Island, pp. 83-88, Jul 12-13, 2012 (in Japanese).
  119. Naoki Shimizu, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Transmission characteristics for 5 GHz indoor GPS-synchronized wireless communication systems,
    Technical Report of IEICE, vol. 112, no. 118, CS2012-39, Okierabu Island, pp. 89-94, Jul 12-13 (13), 2012 (in Japanese).
  120. Yuichi Obata, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Performance analysis of BP decoding for physical-layer network and LDPC coded signals,
    Technical Report of IEICE, vol. 112, no. 118, CS2012-40, Okierabu Island, pp. 95-100, Jul 12-13 (13), 2012 (in Japanese).
  121. Shingo Nitta, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    High rate and high multiplexing CAN by short pulse,
    Technical Report of IEICE, vol. 112, no. 118, CS2012-41, Okierabu Island, pp. 101-106, Jul 12-13 (13), 2012 (in Japanese).
  122. Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental performance evaluation of space-time coded cooperative multi-hop relaying,
    Technical Report of IEICE, vol. 112, no. 89, RCS2012-72, Hakodate, pp. 171-174, Jun 21-22 (22), 2012 (in Japanese).
  123. Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    [Invited Talk] Research and development of coherent distributed antenna systems — Towards realization of green wireless systems —,
    Technical Report of IEICE, vol. 112, no. 11, RCS2012-9, Kyoto, pp. 49-54, Apr 19-20 (19), 2012 (in Japanese).
  124. Akihito Taya, Satoshi Denno, Koji Yamamoto, Masahiro Morikura, Daisuke Umehara, Hidekazu Murata, and Susumu Yoshida,
    Diversity gain of multi-band cooperative MU-MIMO systems,
    Proceedings of the 2012 IEICE General Conference, B-5-34, Okayama, Mar 20-23, 2012 (in Japanese).
  125. Ryo Shinohara, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    USRP implementation of real-time feedback technique for multi-user MIMO transmission,
    Proceedings of the 2012 IEICE General Conference, B-5-35, Okayama, Mar 20-23, 2012 (in Japanese).
  126. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental system of multi-user MIMO transmission using linear precoding,
    Proceedings of the 2012 IEICE General Conference, B-5-36, Okayama, Mar 20-23, 2012 (in Japanese).
  127. Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Outdoor propagation measurements for distributed multi-user MIMO systems on 5GHz band,
    Proceedings of the 2012 IEICE General Conference, B-5-37, Okayama, Mar 20-23, 2012 (in Japanese).
  128. Mirza Golam Kibria, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Performance of decentralized MIMO precoder with two-way AF channel estimation,
    Proceedings of the 2012 IEICE General Conference, B-5-72, Okayama, Mar 20-23, 2012.
  129. Shingo Nitta, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    A study on high rate and high multiplexing CAN by short pulse,
    Proceedings of the 2012 IEICE General Conference, B-8-40, Okayama, Mar 20-23, 2012 (in Japanese).
  130. Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Achievable bit error rate for channel and network coded QAM signals,
    Proceedings of the 2012 IEICE General Conference, B-8-41, Okayama, Mar 20-23, 2012 (in Japanese).
  131. Yuki Sangenya, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Link guaranteed throughput improvement of relay CSMA/CA with hidden terminals,
    Proceedings of the 2012 IEICE General Conference, B-20-24, Okayama, Mar 20-23, 2012 (in Japanese).
  132. Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    A study on precoding in multiple access link for PNC-OFDM,
    Technical Report of IEICE, vol. 111, no. 467, CS2011-116, Niigata, pp. 97-102, Mar 8-9 (8), 2012 (in Japanese).
  133. Ryo Shinohara, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    USRP implementation of mobile terminals for multi-user MIMO experiments on 5GHz band,
    Technical Report of IEICE, vol. 111, no. 451, RCS2011-328, Yokosuka, pp. 73-76, Mar 7-9 (7), 2012 (in Japanese).
  134. Hiroki Nagano, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental investigations of user scheduling schemes for multi-user MIMO systems,
    Technical Report of IEICE, vol. 111, no. 451, RCS2011-329, Yokosuka, pp. 77-82, Mar 7-9 (7), 2012 (in Japanese).
  135. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Base station equipment for multi-user MIMO transmission experiments on 5GHz band,
    Technical Report of IEICE, vol. 111, no. 451, RCS2011-330, Yokosuka, pp. 83-88, Mar 7-9 (7), 2012 (in Japanese).
  136. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Performance evaluation of distributed transmit power control with uplink-downlink duality assumption for multi-user distributed antenna systems,
    Technical Report of IEICE, vol. 111, no. 451, RCS2011-346, Yokosuka, pp. 181-186, Mar 7-9 (7), 2012 (in Japanese).
  137. Toshiro Nakahira, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Transmission performance improvement with dynamic channel allocation in MU-MIMO systems,
    Technical Report of IEICE, vol. 111, no. 456, WBS2011-82, Yokohama, pp. 217-222, Mar 2 (2), 2012 (in Japanese).
  138. Kenichi Yoshikawa, Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Propagation measurements for multi-user MIMO transmission experiments on 5GHz band,
    Technical Report of IEICE, vol. 111, no. 404, RCS2011-276, Fukuoka, pp. 55-60, Jan 26-27 (26), 2012 (in Japanese).
  139. Yuki Sangenya, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    CW optimization of relay CSMA/CA with hidden terminals,
    Technical Report of IEICE, vol. 111, no. 385, AN2011-66, Toba, pp. 65-70, Jan 19-20 (19), 2012 (in Japanese).
  140. Daisuke Umehara, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    Short pulse line codes for high rate CAN,
    Technical Report of IEICE, vol. 111, no. 301, CS2011-49, Hokkaido, pp. 13-18, Nov 17-18 (17), 2011 (in Japanese).
  141. Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Throughput analysis of two-way relay channels by M-ary CoMP physical-layer network coding,
    Technical Report of IEICE, vol. 111, no. 301, CS2011-48, Hokkaido, pp. 7-12, Nov 17-18 (17), 2011 (in Japanese).
  142. Yohei Fujii, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Bidirectional VoIP transmission performances in coexistence with WLAN and WSN,
    Technical Report of IEICE, IN2011-93, Fukuoka, pp. 1-6, Nov 17-18, 2011 (in Japanese).
  143. Yuki Nakato, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    A CSMA/CA scheme with virtual group for double-hop WLAN systems,
    Technical Report of IEICE, IN2011-94, Fukuoka, pp. 7-12, Nov 17-18, 2011 (in Japanese).
  144. Hiroshi Doi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Laboratory experiments of USRP/UHD wireless terminal for multi-user MIMO systems,
    Technical Report of IEICE, RCS2011-145, Tokyo, pp. 31-35, Oct 26-28, 2011 (in Japanese).
  145. Yuichi Ueyama, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    In-lab transmission experiments of multi-user MIMO precoding system,
    Technical Report of IEICE, RCS2011-146, Tokyo, pp. 37-40, Oct 26-28, 2011 (in Japanese).
  146. Masahiro Kobayashi, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Impact of scheduling methods on optimal cluster size in multi-user distributed antenna system,
    Technical Report of IEICE, RCS2011-174, Tokyo, pp. 201-206, Oct 26-28, 2011 (in Japanese).
  147. Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    [Invited Talk] Possibilities and issues of coherent distributed antenna systems — Towards realization of green wireless systems —,
    Technical Report of IEICE, WBS2011-23, Niigata, pp. 9-12, Oct 20-21, 2011 (in Japanese).
  148. Yohei Fujii, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    VoIP transmission performance in coexistence with WLAN and WSN,
    Proceedings of the 2011 Communications Society Conference of IEICE, B-20-19, Sapporo, Sep 13-16, 2011 (in Japanese).
  149. Yuki Nakato, Masahiro Morikura, Daisuke Umehara, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Study on QoS control and NC of CSMA/CA with different number of hops,
    Proceedings of the 2011 Communications Society Conference of IEICE, B-20-13, Sapporo, Sep 13-16, 2011 (in Japanese).
  150. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Introducing distributed power control using 2-bit feedback information to distributed antenna system,
    Proceedings of the 2011 Communications Society Conference of IEICE, BS-3-3, Sapporo, Sep 13-16, 2011 (in Japanese).
  151. Akihito Taya, Satoshi Denno, Daisuke Umehara, Koji Yamamoto, Masahiro Morikura, Hidekazu Murata, and Susumu Yoshida,
    Virtual channel detection for base station cooperative multiuser MIMO systems with limited channel state information,
    Technical Report of IEICE, RCS2011-78, Asahikawa, pp. 19-24, Jul 21-22, 2011 (in Japanese).
  152. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    [Invited Talk] Low cost modulation and detection for in-vehicle narrowband power line communications,
    Technical Report of IEICE, CS2011-18, Kume Island, pp. 47-51, Jul 7-8, 2011 (in Japanese).
  153. Yohei Fujii, Masahiro Morikura, Daisuke Umehara, Satoshi Denno, Nobuaki Otsuki, and Takatoshi Sugiyama,
    A proposal of coexistence scheme between WLAN and wireless sensor network,
    Technical Report of IEICE, RCS2011-30, pp. 65-70, May 26-27, 2011 (in Japanese).
  154. Yuki Nakato, Masahiro Morikura, Daisuke Umehara, Satoshi Denno, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Performance improvement of wireless relay CSMA/CA system by network coding and QoS control,
    Technical Report of IEICE, RCS2011-31, pp. 71-76, May 26-27, 2011 (in Japanese).
  155. Masahiro Kobayashi, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of transmission and reception cluster size in multi-user distributed antenna system,
    Technical Report of IEICE, AN2011-1, pp. 1-6, May 20, 2011 (in Japanese).
  156. Makoto Miyagoshi, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Effect of difference of transmit scheme on area spectral efficiency of multi-user distributed antenna system,
    Technical Report of IEICE, AN2011-3, pp. 13-16, May 20, 2011 (in Japanese).
  157. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Koji Yamamoto, Hidekazu Murata, and Susumu Yoshida,
    A study of physical-layer network coding by coherent CoMP,
    Proceedings of the 2011 IEICE General Conference, B-8-31, Tokyo, Mar 14-17, 2011 (in Japanese).
  158. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Evaluation of CSMA/CA protocol in long distance wireless communication,
    Proceedings of the 2011 IEICE General Conference, B-21-21, Tokyo, Mar 14-17, 2011 (in Japanese).
  159. Yuki Nakato, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Performance improvement of VoIP transmission for wireless relay CSMA/CA system by network coding,
    Proceedings of the 2011 IEICE General Conference, B-21-19, Tokyo, Mar 14-17, 2011 (in Japanese).
  160. Yohei Fujii, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    A proposal of coexistence scheme between WLAN and wireless sensor network,
    Proceedings of the 2011 IEICE General Conference, B-20-25, Tokyo, Mar 14-17, 2011 (in Japanese).
  161. Yuki Sangenya, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    A study of CSMA/CA incorporating packet aggregation and network coding,
    Proceedings of the 2011 IEICE General Conference, B-21-20, Tokyo, Mar 14-17, 2011 (in Japanese).
  162. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Virtual layered space time receivers for 16QAM modulation,
    Proceedings of the 2011 IEICE General Conference, B-5-94, Tokyo, Mar 14-17, 2011 (in Japanese).
  163. Taiki Isogai, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A high speed transmission scheme using parallel FFT equalization,
    Proceedings of the 2011 IEICE General Conference, B-5-7, Tokyo, Mar 14-17, 2011 (in Japanese).
  164. Akihito Taya, Satoshi Denno, Daisuke Umehara, Masahiro Morikura, Hidekazu Murata, Koji Yamamoto, and Susumu Yoshida,
    Virtual layered space-frequency receivers for multiuser MIMO-OFDM systems,
    Proceedings of the 2011 IEICE General Conference, B-5-93, Tokyo, Mar 14-17, 2011 (in Japanese).
  165. Toshiro Nakahira, Masahiro Matsusaka, Hidekazu Murata, Koji Yamamoto, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of clustering schemes for multi-user MIMO distributed antenna systems,
    Proceedings of the 2011 IEICE General Conference, B-5-92, Tokyo, Mar 14-17, 2011 (in Japanese).
  166. Masahiro Kobayashi, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of optimal cyclic prefix length in multi-user distributed antenna system,
    Proceedings of the 2011 IEICE General Conference, B-5-82, Tokyo, Mar 14-17, 2011 (in Japanese).
  167. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Koji Yamamoto, Hidekazu Murata, and Susumu Yoshida,
    Channel capacity of two-way relay channel by CoMP physical-layer network coding,
    Technical Report of IEICE, CS2010-73, pp. 7-12, Ishigaki Island, Mar 3-4, 2011 (in Japanese).
  168. Yuki Sangenya, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Performance analysis of CSMA/CA incorporating packet aggregation and network coding,
    Technical Report of IEICE, SRW2010-28, pp. 15-20, Mar 3, 2011 (in Japanese).
  169. Akihito Taya, Satoshi Denno, Daisuke Umehara, Masahiro Morikura, Hidekazu Murata, Koji Yamamoto, and Susumu Yoshida,
    Virtual layered space-frequency receivers for multiuser MIMO-OFDM systems,
    Technical Report of IEICE, RCS2010-302, pp. 313-318, Mar 2-4, 2011 (in Japanese).
  170. Toshiro Nakahira, Hidekazu Murata, Koji Yamamoto, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Transmit power analysis of precoded multi-user distributed antenna systems,
    Technical Report of IEICE, RCS2010-261, pp. 79-84, Mar 2-4, 2011 (in Japanese).
  171. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A study on extending distributed power control for distributed antenna system,
    Technical Report of IEICE, RCS2010-260, pp. 73-78, Mar 2-4, 2011 (in Japanese).
  172. Shogo Yoshikawa, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Complexity reduced lattice-reduction-aided receiver with virtual channel detection for MIMO-OFDM systems,
    Technical Report of IEICE, RCS2010-210, pp. 67-72, Jan 20-21, 2011 (in Japanese).
  173. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A study on extending distributed power control for downlink multi-user wireless system,
    Technical Report of IEICE, AN2010-66, pp. 119-123, Jan 20-21, 2011 (in Japanese).
  174. Tomohiko Mimura, Hidekazu Murata, Koji Yamamoto, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study of STBC based cooperative relaying system using network coding,
    Technical Report of IEICE, RCS2010-174, pp. 91-95, Dec 16-17, 2010 (in Japanese).
  175. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    A simple compensation scheme on performance analysis model of IEEE 802.11 DCF,
    Technical Report of IEICE, CS2010-42, pp. 29-34, Nov 11-12, 2010 (in Japanese).
  176. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    A study of modulation schemes suitable for in-vehicle power line communications,
    Technical Report of IEICE, CS2010-41, pp. 23-28, Nov 11-12, 2010 (in Japanese).
  177. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Performance analysis of CSMA/CA protocol in long distance wireless access,
    Technical Report of IEICE, AN2010-40, pp. 97-102, Oct 27-29, 2010 (in Japanese).
  178. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Virtual layered space time receivers for 16QAM modulation,
    Technical Report of IEICE, RCS2010-136, pp. 187-191, Oct 27-29, 2010 (in Japanese).
  179. Taiki Isogai, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A high speed transmission scheme with multilevel modulation,
    Technical Report of IEICE, RCS2010-140, pp. 211-215, Oct 27-29, 2010 (in Japanese).
  180. Shogo Yoshikawa, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    The performance of lattice-reduction-aided real spatial filter with virtual channel detection for MIMO spatial multiplexing,
    Technical Report of IEICE, RCS2010-138, pp. 199-204, Oct 27-29, 2010 (in Japanese).
  181. Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    Integrated distribution of energy and information via in-vehicle power line,
    Proceedings of the 2010 Engineering Sciences Society Conference of IEICE, AS-1-3, Sep 14-17, 2010 (in Japanese).
  182. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A Virtual layered space receiver for QAM modulation,
    Proceedings of the 2010 Communications Society Conference of IEICE, B-5-25, Sep 14-17, 2010 (in Japanese).
  183. Shogo Yoshikawa, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    The performance of lattice-reduction-aided real spacial filter with virtual channel detection for MIMO spacial multiplexing,
    Proceedings of the 2010 Communications Society Conference of IEICE, B-5-26, Sep 14-17, 2010 (in Japanese).
  184. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    [Invited Talk] Studies on Random Access Based Wireless Network Coding — From Slotted ALOHA to CSMA/CA —,
    Technical Report of IEICE, AN2010-22, pp. 69-74, Jul 15-16, 2010 (in Japanese).
  185. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of impacts of propagation delay on long distance access with IEEE 802.11 CSMA/CA,
    Technical Report of IEICE, AN2010-10, pp. 1-6, Jul 15-16, 2010 (in Japanese).
  186. Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    [Invited Talk] Proposal of an impulsive noise mitigation scheme on in-vehicle power line communications,
    Technical Report of IEICE, CS2010-13, pp. 23-28, Jul 8-9, 2010 (in Japanese).
  187. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    A study of impulsive noise for in-vehicle PLC,
    Technical Report of IEICE, CS2010-22, pp. 79-84, Jul 8-9, 2010 (in Japanese).
  188. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Iteration schemes on soft information for virtual layered space-frequency receivers,
    Technical Report of IEICE, RCS2010-20, pp. 13-18, Jun 17-18, 2010 (in Japanese).
  189. Ryota Ohnishi, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Complexity reduced detection for virtual layered space time receivers,
    Technical Report of IEICE, RCS2010-34, pp. 97-102, Jun 17-18, 2010 (in Japanese).
  190. Shogo Yoshikawa, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Lattice-reduction aided MMSE receiver with virtual channel estimation for MIMO spacial multiplexing,
    Technical Report of IEICE, RCS2010-35, pp. 103-107, Jun 17-18, 2010 (in Japanese).
  191. Chun-Hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput analysis of wireless multihop CSMA/CA systems with network coding,
    Proceedings of the 2010 IEICE General Conference, B-21-17, Mar 16-19, 2010.
  192. Kaori Takei, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput maximization matched with line quality for wireless relay slotted ALOHA systems with network coding,
    Proceedings of the 2010 IEICE General Conference, B-21-18, Mar 16-19, 2010 (in Japanese).
  193. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Effects of RTS/CTS on long distance access with CSMA/CA,
    Proceedings of the 2010 IEICE General Conference, B-21-16, Mar 16-19, 2010 (in Japanese).
  194. Yuki Nakato, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughtput enhancement with AIFS control for wireless relay systems,
    Proceedings of the 2010 IEICE General Conference, B-21-15, Mar 16-19, 2010 (in Japanese).
  195. Yohei Fujii, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput evaluation of IEEE 802.15.4 unslotted CSMA-CA,
    Proceedings of the 2010 IEICE General Conference, B-20-36, Mar 16-19, 2010 (in Japanese).
  196. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Initial acquisition algorithm of channel state detection for indoor power line communications,
    Proceedings of the 2010 IEICE General Conference, B-8-26, Mar 16-19, 2010 (in Japanese).
  197. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    Noise measurement and analysis on in-vehicle power lines,
    Proceedings of the 2010 IEICE General Conference, B-8-25, Mar 16-19, 2010 (in Japanese).
  198. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance of the iterative virtual channel detection for MIMO-OFDM systems,
    Proceedings of the 2010 IEICE General Conference, B-5-39, Mar 16-19, 2010 (in Japanese).
  199. Ryota Ohnishi, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Complexity reduced decoding for virtual layered space time receivers,
    Proceedings of the 2010 IEICE General Conference, B-5-40, Mar 16-19, 2010 (in Japanese).
  200. Shogo Yoshikawa, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Lattice-reduction aided MMSE receiver with virtual channel estimation for MIMO spacial multiplexing,
    Proceedings of the 2010 IEICE General Conference, B-5-47, Mar 16-19, 2010 (in Japanese).
  201. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    Measurement and analysis of impulsive noise on in-vehicle power lines,
    Technical Report of IEICE, CS2009-87, pp. 81-86, Mar 1-2, 2010 (in Japanese).
  202. Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    Improvement of the impulse detection method for in-vehicle power line noise,
    Technical Report of IEICE, CS2009-65, pp. 83-88, Dec 7-8, 2009 (in Japanese).
  203. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Iterative detection with soft input for virtual layered space-frequency receivers,
    Technical Report of IEICE, RCS2009-183, pp. 95-100, Dec 17-18, 2009 (in Japanese).
  204. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    RTS/CTS effect on two-hop wireless CSMA network coding,
    Technical Report of IEICE, IN2009-79, pp. 65-70, Nov 12-13, 2009 (in Japanese).
  205. Chun-hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput optimization by contention window control in CSMA/CA network coding,
    Technical Report of IEICE, IN2009-76, pp. 47-52, Nov 12-13, 2009 (in Japanese).
  206. Kaori Takei, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput evaluation of one-to-many wireless relay ALOHA network coding incorporating link budget,
    Technical Report of IEICE, IN2009-78, pp. 59-64, Nov 12-13, 2009 (in Japanese).
  207. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    A relay packet transmission control scheme for multihop wireless ALOHA network coding,
    Technical Report of IEICE, IN2009-77, pp. 53-58, Nov 12-13, 2009 (in Japanese).
  208. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of network coding for two-hop wireless CSMA systems enabled carrier sense,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-7-56, Sep 15-18, 2009 (in Japanese).
  209. Kaori Takei, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Effect of noise and interference on asymmetric node number model using wireless network coding,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-7-57, Sep 15-18, 2009 (in Japanese).
  210. Chun-hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Effect of packet length asymmetry on wireless CSMA/CA network coding,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-7-58, Sep 15-18, 2009 (in Japanese).
  211. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    A study on delay performance of 3-hop wireless relay system employing network coding,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-7-55, Sep 15-18, 2009 (in Japanese).
  212. Yasuhiro Yabuuchi, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    An improvement of code rate optimization for bit loaded OFDM in power line communications,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-8-33, Sep 15-18, 2009 (in Japanese).
  213. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Iterative detection with soft input for virtual layered space-frequency receivers,
    Proceedings of the 2009 Communications Society Conference of IEICE, B-5-86, Sep 15-18, 2009 (in Japanese).
  214. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Performance evaluation of network coding in two-hop wireless CSMA systems,
    Technical Report of IEICE, IN2009-44, pp. 29-34, Sep 10-11, 2009 (in Japanese).
  215. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Effect of buffer capacity on network coding for two-hop wireless ALOHA systems,
    Technical Report of IEICE, IN2009-37, pp. 73-78, Jul 9-10, 2009 (in Japanese).
  216. Chun-hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of a two-hop CSMA/CA wireless relay network with network coding,
    Technical Report of IEICE, IN2009-36, pp. 68-72, Jul 9-10, 2009 (in Japanese).
  217. Kaori Takei, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Effect of noise and interference on asymmetric traffic model using wireless network coding,
    Technical Report of IEICE, IN2009-38, pp. 79-84, Jul 9-10, 2009 (in Japanese).
  218. Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    A study on impulse detection for in-vehicle power line noise,
    Technical Report of IEICE, CS2009-23, pp. 59-64, Jul 2-3, 2009 (in Japanese).
  219. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A detection method of channel states for periodically time variant channels over indoor power line,
    Technical Report of IEICE, CS2009-22, pp. 53-58, Jul 2-3, 2009 (in Japanese).
  220. Yasuhiro Yabuuchi, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A subcarrier CNR estimation for power line multicarrier communication,
    Technical Report of IEICE, CS2009-21, pp. 47-52, Jul 2-3, 2009 (in Japanese).
  221. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Performance analysis of wireless ALOHA network coding for two-hop bidirectional traffic,
    Technical Report of IEICE, IN2009-3, pp. 13-18, May 21-22, 2009 (in Japanese).
  222. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance of successive detection architecture with virtual channels for MIMO-OFDM systems,
    Technical Report of IEICE, RCS2009-3, pp. 13-18, May 21-22, 2009 (in Japanese).
  223. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of wireless relay slotted ALOHA network coding employing Poisson traffic,
    Proceedings of the 2009 IEICE General Conference, B-7-11, Mar 17-20, 2009 (in Japanese).
  224. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Initial acquisition algorithm for channel synchronization in power line communications,
    Proceedings of the 2009 IEICE General Conference, B-8-5, Mar 17-20, 2009 (in Japanese).
  225. Chunhsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Proposals of relay control scheme for CSMA/CA system with wireless network coding,
    Proceedings of the 2009 IEICE General Conference, B-7-10, Mar 17-20, 2009 (in Japanese).
  226. Kaori Takei, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    System throughput for wireless multihop access system employing network coding,
    Proceedings of the 2009 IEICE General Conference, B-7-9, Mar 17-20, 2009 (in Japanese).
  227. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    3-hop wireless relay slotted ALOHA system employing network coding,
    Proceedings of the 2009 IEICE General Conference, B-7-9, Mar 17-20, 2009 (in Japanese).
  228. Hirofumi Maruyama, Satoshi Denno, Satoshi Denno, and Masahiro Morikura,
    Successive receiver with coded virtual channel for layered space time communications,
    Proceedings of the 2009 IEICE General Conference, B-5-17, Mar 17-20, 2009 (in Japanese).
  229. Jun Imamura, Satoshi Denno, Satoshi Denno, and Masahiro Morikura,
    Performance of successive detection architecture with virtual channels for MIMO-OFDM systems,
    Proceedings of the 2009 IEICE General Conference, B-5-16, Mar 17-20, 2009 (in Japanese).
  230. Ippei Aoki, Satoshi Denno, Satoshi Denno, and Masahiro Morikura,
    Analysis of OFDM communication systems in fast fading channels,
    Proceedings of the 2009 IEICE General Conference, B-5-50, Mar 17-20, 2009 (in Japanese).
  231. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance analysis of successive receiver architecture with virtual channel detection for MIMO spatial multiplexing,
    Technical Report of IEICE, RCS2008-231, pp. 113-118, Mar 4-6, 2009 (in Japanese).
  232. Ippei Aoki, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Analysis of OFDM communication system in time-varying fading channels,
    Technical Report of IEICE, RCS2008-271, pp. 349-354, Mar 4-6, 2009 (in Japanese).
  233. Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Consideration on iterative decoding of M-ary modulation signals over hidden Markov noise channels,
    Technical Report of IEICE, CS2008-59, pp. 13-17, Jan 22-23, 2009 (in Japanese).
  234. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Throughput enhancement with OFDMA on in-home power line communications,
    Technical Report of IEICE, CS2008-64, pp. 43-48, Jan 22-23, 2009.
  235. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Consideration of initial acquisition methods for channel synchronization on in-home power line communications,
    Technical Report of IEICE, CS2008-63, pp. 37-42, Jan 22-23, 2009.
  236. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput analysis of network coding on wireless relay slotted ALOHA systems,
    Technical Report of IEICE, IN2008-98, pp. 73-78, Dec 11-12, 2008 (in Japanese).
  237. Tomoya Hirano, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Consideration on delay performances of wireless relay slotted ALOHA network coding,
    Technical Report of IEICE, IN2008-99, pp. 79-84, Dec 11-12, 2008 (in Japanese).
  238. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Achievable region in slotted ALOHA throughput for wireless relay network coding,
    Technical Report of IEICE, NS2008-72, pp. 25-30, Oct 23-24, 2008 (in Japanese).
  239. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Consideration on delay of wireless relay slotted ALOHA network coding,
    Proceedings of the 2008 Communications Society Conference of IEICE, B-5-106, Sep 16-19, 2008 (in Japanese).
  240. Tomoya Hirano, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Performance evaluation of wireless relay network coding under heterolytic traffic environments,
    Proceedings of the 2008 Communications Society Conference of IEICE, B-5-105, Sep 16-19, 2008 (in Japanese).
  241. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Study on a bit loading algorithm for indoor power line communication,
    Proceedings of the 2008 Communications Society Conference of IEICE, B-8-8, Sep 16-19, 2008 (in Japanese).
  242. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Proposal of synchronization algorithm in periodically time-variant channels for power line communications,
    Proceedings of the 2008 Communications Society Conference of IEICE, B-8-9, Sep 16-19, 2008 (in Japanese).
  243. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A study on decoding algorithms for V-BLAST with real vector weight,
    Proceedings of the 2008 Communications Society Conference of IEICE, B-5-70, Sep 16-19, 2008 (in Japanese).
  244. Tomoya Hirano, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Consideration on relay control schemes of wireless relay slotted ALOHA network coding systems,
    Technical Report of IEICE, RCS2008-83, pp. 181-186, Aug 27-29, 2008 (in Japanese).
  245. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance of spatial multiplexing systems with real weight vector,
    Technical Report of IEICE, RCS2008-58, pp. 31-36, Aug 27-29, 2008 (in Japanese).
  246. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of immediate network coding for wireless relay slotted ALOHA systems,
    Technical Report of IEICE, NS2008-26, pp. 1-6, Jul 17-18, 2008 (in Japanese).
  247. Koichiro Hashimoto, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance analysis of an FFT equalizer with parallel distortion cancellation and proposal for performance improvement,
    Technical Report of IEICE, RCS2008-32, pp. 1-6, Jul 17-18, 2008 (in Japanese).
  248. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, and Masahiro Morikura,
    Analysis of wireless relay network coding under heterolytic traffic environments,
    Technical Report of IEICE, IN2008-4, pp. 19-24, May 29-30, 2008 (in Japanese).
  249. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    V-BLAST detection algorithm for spatial multiplexing receivers with QPSK system,
    Technical Report of IEICE, RCS2008-10, pp. 55-66, May 2008 (in Japanese).
  250. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A simulator of in-home power line channels varing in time coincident with power cycle,
    Proceedings of the 2008 IEICE General Conference, B-8-23, Mar 18-21, 2008 (in Japanese).
  251. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Performance evaluation of variable time slot for power line communications,
    Proceedings of the 2008 IEICE General Conference, B-8-24, Mar 18-21, 2008 (in Japanese).
  252. Tomoya Hirano, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Performance evaluation of network coding for slotted ALOHA wireless relay system,
    Proceedings of the 2008 IEICE General Conference, B-5-192, Mar 18-21, 2008 (in Japanese).
  253. Koichiro Hashimoto, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Performance of forward error correction in FFT equalizers with parallel fading distortion canceller,
    Proceedings of the 2008 IEICE General Conference, B-5-85, Mar 18-21, 2008 (in Japanese).
  254. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Weight generation algorithm for V-BLAST receiver with BPSK system,
    Proceedings of the 2008 IEICE General Conference, B-5-74, Mar 18-21, 2008 (in Japanese).
  255. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, and Masahiro Morikura,
    A study on network coding for wireless relay slotted ALOHA system,
    Technical Report of IEICE, RCS2007-211, pp. 151-156, Mar 5-7, 2008 (in Japanese).
  256. Koichiro Hashimoto, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Parallel distortion cancellation for FFT equalizers in fast fading channels,
    Technical Report of IEICE, RCS2007-224, pp. 233-239, Mar 5-7, 2008 (in Japanese).
  257. Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    The influence of compact AC adapter on PLC equipments,
    Technical Report of IEICE, CS2007-64, pp. 55-60, Jan 28-29, 2008.
  258. Shinya Honda, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Bit loading algorithms synchronized with commercial power supply on in-home power line multicarrier communications,
    Technical Report of IEICE, CS2007-62, pp. 43-48, Jan 28-29, 2008.
  259. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A simulator of in-home power line channels affected by switching power supply equipments,
    Technical Report of IEICE, CS2007, pp. 49-54, Jan 28-29, 2008 (in Japanese).
  260. Koichiro Hashimoto, Daisuke Umehara, and Satoshi Denno,
    Coded fading distortion canceller for FFT equalizers in fast fading channels,
    Proceedings of the 2007 Communications Society Conference of IEICE, B-5-24, Sep 10-14, 2007 (in Japanese).
  261. Daisuke Umehara, Tomoki Kimura, Taro Hayasaki, and Satoshi Denno,
    The influence of linear periodically time-variant channels on PLC equipments,
    Proceedings of the 2007 Communications Society Conference of IEICE, B-8-29, Sep 10-14, 2007.
  262. Shinya Honda, Daisuke Umehara, Satoshi Denno,
    Channel capacity for linear periodically time-variant channels,
    Technical Report of IEICE, IT2007-10, pp. 7-12, Jul 19-20, 2007 (in Japanese).
  263. Taro Hayasaki, Daisuke Umehara, Shinya Honda, and Satoshi Denno,
    Time-frequency analysis for indoor power line channel synchronized with power freqency,
    Proceedings of the 2007 IEICE General Conference, B-8-4, Mar 20-23, 2007 (in Japanese).
  264. Keiko Maehara, Daisuke Umehara, and Satoshi Denno,
    Analysis of noise statistics for indoor power line multicarrier communication,
    Proceedings of the 2007 IEICE General Conference, B-8-3, Mar 20-23, 2007 (in Japanese).
  265. Daisuke Ueyama, Daisuke Umehara, and Yoshiteru Morihiro,
    CSK/PAM system using optimized real-valued sequence on power line communication,
    Technical Report of IEICE, CS2006-70, pp. 1-6, Jan 11-12, 2007.
  266. Keita Izumi, Daisuke Umehara, and Yoshiteru Morihiro,
    Performance evaluation of wavelet OFDM using ASCET on power line communication,
    Technical Report of IEICE, CS2006-71, pp. 7-12, Jan 11-12, 2007.
  267. Daisuke Umehara, Satoshi Denno, and Yoshiteru Morihiro,
    Measurement and analysis of shortwave power line impulsive noise,
    Proceedings of the 2006 Communications Society Conference of IEICE, B-4-72, Sep 19-22, 2006.
  268. Daisuke Ueyama, Daisuke Umehara, Satoshi Denno, and Yoshiteru Morihiro,
    Performance evaluation of CSK modulation using PR-QMF codes,
    Proceedings of the 2006 Engineering Sciences Society Conference of IEICE, A-5-2, Sep 19-22, 2006 (in Japanese).
  269. Masahiro Ishihara, Daisuke Umehara, and Yoshiteru Morihiro,
    On the correlation between radiated emissions and network components on indoor power line communications,
    METLAB Workshop, SPS2005-23, pp. 43-48, Mar 20, 2006 (in Japanese).
  270. Hideyori Nishiyori, Daisuke Umehara, and Yoshiteru Morihiro,
    Performance evaluation of wavelet OFDM under narrowband interference environments,
    Technical Report of IEICE, WBS2005-81, pp. 19-24, Mar 16-17, 2006 (in Japanese).
  271. Masahiro Ishihara, Daisuke Umehara, and Yoshiteru Morihiro,
    Measurement of radiated emissions on indoor power line communications,
    Technical Report of IEICE, EMCJ2005-145, pp. 43-48, Mar 9, 2006 (in Japanese).
  272. Yasuo Kadota, Daisuke Umehara, and Yoshiteru Morihiro,
    A clustering method for long-term operation in sensor networks,
    Technical Report of IEICE, IN2005-158, pp. 13-18, Mar 2-3, 2006 (in Japanese).
  273. Masahiro Ishihara, Daisuke Umehara, and Yoshiteru Morihiro,
    Measurement of common mode current on indoor power line communications,
    Proceedings of the 2005 Communications Society Conference of IEICE, B-4-44, Sep 20-23, 2005 (in Japanese).
  274. Yasuo Kadota, Daisuke Umehara, and Yoshiteru Morihiro,
    Centralized static clustering method for sensor network and its evaluation,
    Proceedings of the 2005 Communications Society Conference of IEICE, B-7-49, Sep 20-23, 2005 (in Japanese).
  275. Keita Izumi, Daisuke Umehara, and Yoshiteru Morihiro,
    Channel allocation and route selection algorithm for mesh-type FWA system and its evaluation,
    Proceedings of the 2005 Communications Society Conference of IEICE, B-5-154, Sep 20-23, 2005 (in Japanese).
  276. Hiroki Nakagawa, Daisuke Umehara, Satoshi Denno, and Yoshiteru Morihiro,
    An optimal decoding for LDPC codes over impulsive noise channels,
    Proceedings of the 2005 IEICE General Conference, A-5-27, Mar 21-24, 2005 (in Japanese).
  277. Jun Mashino, Daisuke Umehara, Satoshi Denno, and Yoshiteru Morihiro,
    An SS-CSK modulation using extended M-sequence for power line communications,
    Proceedings of the 2005 IEICE General Conference, A-5-29, Mar 21-24, 2005 (in Japanese).
  278. Ryohei Yamato, Daisuke Umehara, Yoshiteru Morihiro, Taku Noguchi, and Makoto Kawai,
    Decoding performance of Tornado-type codes utilizing error packets,
    Proceedings of the 2005 IEICE General Conference, B-3-9, Mar 21-24, 2005 (in Japanese).
  279. Keita Izumi, Daisuke Umehara, Satoshi Denno, Yoshiteru Morihiro, and Daisei Uchida,
    Channel allocation algorithms for mesh-type FWA system using real-world LOS data,
    Proceedings of the 2005 IEICE General Conference, B-5-245, Mar 21-24, 2005 (in Japanese).
  280. Daisuke Umehara and Yoshiteru Morihiro,
    Performance evaluation of turbo code over Class A noise channel,
    Technical Report of IEICE, IT2004-66, pp. 95-100, Mar 17-18, 2005.
  281. Ryohei Yamato, Daisuke Umehara, Yoshiteru Morihiro, Taku Noguchi, and Makoto Kawai,
    A decoding method for Tornado-type codes utilizing error packets,
    Technical Report of IEICE, SAT2004-162, pp. 63-68, Dec 17, 2004 (in Japanese).
  282. Daisuke Umehara, Yoshiteru Morihiro, Daisei Uchida, and Makoto Kawai,
    A channel allocation for mesh-type broadband FWA system using GA,
    Proceedings of the 2004 Communications Society Conference of IEICE, B-5-177, Sep 21-24, 2004.
  283. Daisuke Umehara, Kiminobu Sugano, Yoshiteru Morihiro, and Makoto Kawai,
    A proposal of code allocation for orthogonal CSK slotted ALOHA systems,
    Technical Report of IEICE, SAT2004-27, pp. 13-18, Jun 25, 2004.
  284. Kiminobu Sugano, Daisuke Umehara, Yoshiteru Morihiro, and Makoto Kawai,
    Performance of adaptive code allocation method for synchronous CDMA system,
    Proceedings of the 2004 IEICE General Conference, B-3-24, Mar 22-25, 2004 (in Japanese).
  285. Atsushi Makita, Kazunari Masayama, Masakatsu Kosuga, Yasuhisa Takizawa, Daisuke Umehara, and Makoto Kawai,
    A distributed location estimation method for wireless ad-hoc networks,
    Proceedings of the 2003 IEICE General Conference, B-5-256, Mar 22-25, 2004 (in Japanese).
  286. Yoshiteru Morihiro and Daisuke Umehara,
    Integrated power and information delivery for wired ubiquitous networks,
    The First Singapore-Japan International Workshop on Info-Communications Technologies for the Ubiquitous Networked Society, pp. 20-25, Dec 15, 2003.
  287. Kiminobu Sugano, Daisuke Umehara, Yoshiteru Morihiro, and Makoto Kawai,
    Quasi-synchronous CDMA performances using orthogonal cyclic shift M-sequences,
    2003 Korea-Japan Joint Conference on Satellite Communications, Tokyo, Japan, pp. 85-90, Oct 23-24, 2003.
  288. Kamotani Takashi and Daisuke Umehara,
    Combinatorial OFDM and its evaluation,
    Proceedings of the 2003 Engineering Sciences Society Conference of IEICE, A-5-18, Sep 23-26, 2003 (in Japanese).
  289. Ryouhei Yamato, Daisuke Umehara, Yoshiteru Morihiro, Makoto Kawai, Tatsumi Narita, and Masaaki Suzuki,
    Considerations on single-beam operation of multi-beam transponders,
    Proceedings of the 2003 Communications Society Conference of IEICE, B-3-4, Sep 23-26, 2003 (in Japanese).
  290. Kiminobu Sugano, Daisuke Umehara, and Makoto Kawai,
    Orthogonal cyclic shift M-sequences for quasi-synchronous CDMA,
    Proceedings of the 2003 IEICE General Conference, A-5-5, p. 144, Mar 2003 (in Japanese).
  291. Atsushi Makita, Daisuke Umehara, and Makoto Kawai,
    Study on ad hoc network routing using location information,
    Proceedings of the 2003 IEICE General Conference, B-5-350, Mar 19-22, 2003 (in Japanese).
  292. Junichi Nakamura, Akihito Makishima, Daisuke Umehara, and Makoto Kawai,
    High-speed data transmission performance on Ka-band GEO-synchronous satellite communication link using TCP,
    2002 Korea-Japan Joint Conference on Satellite Communications, Daejeon, Korea, pp. 33-38, Oct 2002.
  293. Daisuke Umehara and Makoto Kawai,
    An iterative decoding for parallel combinatory spread spectrum system in class A noise environment,
    Proceedings of the 2002 Engineering Sciences Society Conference of IEICE, A-5-14, Sep 10-13, 2002 (in Japanese).
  294. Satoru Takahashi, Daisuke Umehara, and Makoto Kawai,
    Considerations on quasi-synchronous CDMA using cyclic shifted M-sequence,
    Technical Report of IEICE, SAT2002-12, pp. 1-6, May 2002 (in Japanese).
  295. Shigeru Asakura, Daisuke Umehara, and Makoto Kawai,
    SOM-based location estimation method for ad-hoc routing,
    Proceedings of the 2002 International Conference on Fundamentals of Electronics, Communications and Computer Sciences, Tokyo, Japan, pp. S3-28 - 33, Mar 27-28, 2002.
  296. Yusuke Goto, Daisuke Umehara, and Makoto Kawai,
    An optimum receiver for DPSK signals over impulsive noise channel,
    Proceedings of the 2002 IEICE General Conference, B-8-10, Mar 27-30, 2002 (in Japanese).
  297. Abe Kimikazu, Kensuke Kimura, Akitsugu Shimano, Yukiji Yamauchi, Iwane Kimura, Makoto Kawai, and Daisuke Umehara,
    A study on transmission protocol with site diversity over the Ka-band satellite access system (KSAS) [2],
    Proceedings of the 2002 IEICE General Conference, B-3-10, Mar 27-30, 2002 (in Japanese).
  298. Masahiko Minagawa, Daisuke Umehara, and Makoto Kawai,
    Study on ISL route diversity for LEO satellite communications systems,
    Technical Report of IEICE, SAT2001-79, pp. 13-18, Dec 2001 (in Japanese).
  299. Takuya Sakamoto, Daisuke Umehara, and Makoto Kawai,
    A synchronization method for synchronous CDMA systems with GEO satellites,
    2001 Korea-Japan Joint Conference on Satellite Communications, Kyoto, Japan, pp. 59-64, Oct 2001.
  300. Makoto Kawai, Toru Sato, Daisuke Umehara, Iwane Kimura, Yukiji Yamauchi, Junya Terazono, and Toshiaki Baba,
    Ka-band satellite communication link performance exploiting a small earth station,
    Proceedings of the 2001 Communications Society Conference of IEICE, B-3-1, Sep 18-21, 2001 (in Japanese).
  301. Shigeru Asakura, Daisuke Umehara, and Makoto Kawai,
    A study of a distributed location estimation method for portable terminals based on SOM algorithm part 2,
    Proceedings of the 2001 Communications Society Conference of IEICE, B-5-200, Sep 18-21, 2001 (in Japanese).
  302. Masahiko Minagawa, Daisuke Umehara, and Makoto Kawai,
    A study on route diversity for LEO satellite communications systems,
    Proceedings of the 2001 Communications Society Conference of IEICE, B-3-2, Sep 18-21, 2001 (in Japanese).
  303. Takuya Sakamoto, Daisuke Umehara, and Makoto Kawai,
    A synchronization method for synchronized CDMA systems with GEO satellites,
    Proceedings of the 2001 Communications Society Conference of IEICE, B-3-31, Sep 18-21, 2001 (in Japanese).
  304. Akihito Makishima, Makoto Kawai, Daisuke Umehara, and Yoshiteru Morhiro,
    Considerations on high-speed transfer of stored data using TCP and UDP,
    Technical Report of IEICE, SAT2001-10, pp. 17-24, May 2001 (in Japanese).
  305. Shigeru Asakura, Daisuke Umehara, and Makoto Kawai,
    A study of a distributed location estimation method for portable terminals based on SOM algorithm,
    Proceedings of the 2001 IEICE General Conference, B-5-327, Mar 26-29, 2001 (in Japanese).
  306. Ikuhisa Mitsugami, Daisuke Umehara, and Makoto Kawai,
    A study of network traffic decentralization based on SOM algorithm,
    Proceedings of the 2001 IEICE General Conference, B-5-328, Mar 26-29, 2001 (in Japanese).
  307. Akihito Makishima, Daisuke Umehara, and Makoto Kawai,
    TCP transmission performance analysis over GEO satellite communication link,
    Proceedings of the 2001 IEICE General Conference, B-3-30, Mar 26-29, 2001 (in Japanese).
  308. Makoto Kawai, Toru Sato, Daisuke Umehara, Iwane Kimura, Yukiji Yamauchi, and Junya Terazono,
    Study on a network exploiting Ka-band satellite communications for space science observation,
    Proceedings of the 2001 IEICE General Conference, B-3-17, Mar 26-29, 2001 (in Japanese).
  309. Daisuke Umehara, Keisuke Ebiko, Toshihito Kobayashi, Makoto Kawai, and Yoshiteru Morihiro,
    An ATM-based multicast intersatellite routing for LEO satellite networks,
    2000 Korea-Japan Joint Conference on Satellite Communications, Seoul, Korea, pp. 285-290, Dec 2000.
  310. Toshihito Kobayashi, Keisuke Ebiko, Daisuke Umehara, and Makoto Kawai,
    A study on integrated network model of LEO system and terrestrial core network,
    Technical Report of IEICE, SAT2000-14, pp. 37-44, May 2000.
  311. Koji Hosaka, Daisuke Umehara, and Makoto Kawai,
    Considerations on network topology identification by SOM algorithm,
    Proceedings of the 2000 IEICE General Conference, B-7-13, Mar 28-31, 2000 (in Japanese).
  312. Daisuke Umehara,
    Alternant codes over integer residue rings and their decoding,
    Proceedings of the 21th Symposium on Information Theory and Its Applications, Dec 1998.
  313. Daisuke Umehara and Tomohiko Uyematsu,
    On codes from Artin-Schreier extensions of Hermitian function fields,
    Proceedings of the 20th Symposium on Information Theory and Its Applications, vol. 1, pp. 153-156, Dec 1997.
  314. Daisuke Umehara, Tomohiko Uyematsu, and Kohichi Sakaniwa,
    On the relation between the sequence of subspaces and the Feng-Rao designed minimum distance for geometric Goppa codes,
    Technical Report of IEICE, IT96-37, pp. 19-24, Oct 1996 (in Japanese).
  315. Daisuke Umehara, Kohichi Sakaniwa, and Tomohiko Uyematsu,
    On the sequence of designed minimum distance for geometric Goppa codes,
    Proceedings of the 1996 Engineering Sciences Society Conference of IEICE, A-154, Sep 18-21, 1996 (in Japanese).
  316. Daisuke Umehara, Miura Shinji, Tomohiko Uyematsu, and Eiji Okamoto,
    On the optimum designed minimum distance of Hermitian codes based on monomial ordering,
    Technical Report of IEICE, IT95-47, pp. 13-18, Jan 1996 (in Japanese).

UMEHARA Daisuke umehara@kit.ac.jp
Last modified: 2021/05/13 22:25
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