Refereed international conference papers

1. Qijian Zhang, Daisuke Umehara, and Nobukazu Takai,
   Characterization of Semantic Communication Systems Considering Nonlinear Amplifiers,
   Proceedings of 2024 International Conference on Analog VLSI Circuits (AVIC 2024), Kuala Lumpur, Malaysia, 6 pages, Oct 15-17 (16), 2024.
   
2. Hidekazu Murata and Daisuke Umehara,
   Collaborative MIMO Reception: Measurement Campaign and Mutual Information Rate Analysis,
   Proceedings of the 28th Asia Pacific Conference on Communications, Sydney, Australia, 2 pages, DOI: 10.1109/APCC60132.2023.10460684, Nov 19-22 (22), 2023.
   
3. Daisuke Umehara and Jinhong Yuan,
   Success Prioritized Binary Exponential Backoff Algorithm for Non-persistent CSMA,
   Proceedings of the 2019 IEEE Global Communications Conference (IEEE GLOBECOM 2019), Waikoloa, HI, USA, 6 pages, DOI: 10.1109/GLOBECOM38437.2019.9013247, Dec 9-13 (11), 2019.
   
4. Takeyuki Shishido and Daisuke Umehara,
   Performance Evaluation of CAN FD with Bipolar Coding in the Data Phase for Reduced Wiring,
   Proceedings of the 8th IEEE Global Conference on Consumer Electronics (IEEE GCCE 2019), Osaka, Japan, 2 pages, DOI: 10.1109/GCCE46687.2019.9015466, Oct 15-18 (17), 2019.
   
5. Daisuke Umehara,
   Effects of Lloyd-Max Quantization for Distributed Collaborative Interference Cancellation,
   Proceedings of the 16th Asia Pacific Wireless Communications Symposium (APWCS 2019), SUTD, Singapore, 5 pages, DOI: 10.1109/VTS-APWCS.2019.8851611, Aug 28-30 (29), 2019.
   
6. Daisuke Umehara, Takuma Yamamoto, and Jinhong Yuan,
   Success Prioritized Slotted ALOHA with Sleep Function,
   Proceedings of the 12th International Conference on Signal Processing and Communication Systems (ICSPCS 2018), Cairns, Australia, 7 pages, DOI: 10.1109/ICSPCS.2018.8631709, Dec 17-19 (17), 2018.
   
7. Daisuke Umehara and Takeyuki Shishido,
   Ringing Mitigation Schemes for Controller Area Network,
   Proceedings of the 2018 IEEE Vehicular Networking Conference (IEEE VNC 2018), Taipei, Taiwan, 8 pages, DOI: 10.1109/VNC.2018.8628443, Dec 5-7 (7), 2018.
   
8. Daisuke Umehara and Jinhong Yuan,
   Success Prioritized Distributed Coordination Function with Contention-free Threshold,
   Proceedings of the 2018 IEEE International Conference on Communications (IEEE ICC 2018), Kansas City, MO, USA, 6 pages, DOI: 10.1109/ICC.2018.8422700, May 20-24 (22), 2018.
   
9. Saoshi Denno, Hidekazu Murata, and Daisuke Umehara,
   Adaptive Forward Link Formation for Terminal Collaborative Reception,
   Proceedings of the 20th International Symposium on Wireless Personal Multimedia Communications (WPMC 2017), Yogyakarta, Indonesia, 5 pages, DOI: 10.1109/WPMC.2017.8301826, Dec 17-20 (19), 2017.
   
10. Daisuke Umehara and Rieko Saiki,
    Receiver Cooperative MIMO-OFDM Capacity with Quantization Error and Spatial Correlation,
    Proceedings of the 11th International Conference on Signal Processing and Communication Systems (ICSPCS 2017), Gold Coast, Australia, 6 pages, DOI: 10.1109/ICSPCS.2017.8270514, Dec 13-15 (13), 2017.
    
11. Daisuke Umehara, Shuhei Ueno, and Ryota Akagi,
    Receiver Cooperative MIMO-OFDM with Higher-frequency Radio Forwarding,
    Proceedings of the 11th International Conference on Signal Processing and Communication Systems (ICSPCS 2017), Gold Coast, Australia, 6 pages, DOI: 10.1109/ICSPCS.2017.8270479, Dec 13-15 (14), 2017.
    
12. Yuto Katayama, Daisuke Umehara, and Koichiro Wakasugi,
    A Mathematical Model of Access Control to Allocate Downlink Bandwidth in High-density Wireless LAN,
    Proceedings of the 11th International Conference on Signal Processing and Communication Systems (ICSPCS 2017), Gold Coast, Australia, 6 pages, DOI: 10.1109/ICSPCS.2017.8270501, Dec 13-15 (15), 2017.
    
13. Tatsuki Matsushita, Daisuke Umehara, and Koichiro Wakasugi,
    Poster: Power over Data Lines for CAN Using AMI Code,
    Proceedings of the 2016 IEEE Vehicular Networking Conference (IEEE VNC 2016), Columbus, OH, USA, 2 pages, DOI: 10.1109/VNC.2016.7835948, Dec 8-10 (9), 2016.
    
14. Natsumi Sato, Daisuke Umehara, and Koichiro Wakasugi,
    Poster: Symbol Detection with OR Rule for CAN FD,
    Proceedings of the 2016 IEEE Vehicular Networking Conference (IEEE VNC 2016), Columbus, OH, USA, 2 pages, DOI: 10.1109/VNC.2016.7835949, Dec 8-10 (9), 2016.
    
15. Saoshi Denno, Yuta Kawaguchi, Hidekazu Murata, and Daisuke Umehara,
    An Iterative Noise Cancelling Receiver with Soft-output LR-aided Detection for Collaborative Reception,
    Proceedings of the 19th International Symposium on Wireless Personal Multimedia Communications (WPMC 2016), Shenzhen, China, Nov 14-16 (14), 2016.
    
16. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    IEEE 802.11 DCF with Successful Transmission Priority,
    Proceedings of the 9th International Conference on Signal Processing and Communication Systems (ICSPCS 2015), Cairns, Australia, 7 pages, DOI: 10.1109/ICSPCS.2015.7391794, Dec 14-16 (16), 2015.
    
17. Motoki Mizuma, Daisuke Umehara, Tomohiro Takahashi, and Koichiro Wakasugi,
    Silent-interval Impedance Matching for Short Pulse CAN to Enhance Scalability,
    Proceedings of the 21st Asia-Pacific Conference on Commmuncations (APCC 2015), Kyoto, Japan, pp. 686-691, DOI: 10.1109/APCC.2015.7412595, Oct 14-16 (16), 2015.
    
18. Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Difference Analysis in IEEE 802.11 DCF,
    Proceedings of the 10th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2015), Colombo, Sri Lanka, pp. 55-57, DOI: 10.1109/APSITT.2015.7217124, Aug 4-7 (5), 2015.
    
19. Yusuke Matsuo, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Performance Evaluation of Device Discovery in Bluetooth LE with Probabilistic Model Checking,
    Proceedings of the 10th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2015), Colombo, Sri Lanka, pp. 58-60, DOI: 10.1109/APSITT.2015.7217125, Aug 4-7 (5), 2015.
    
20. Satoshi Nakao, Daisuke Umehara, Hidekazu Murata, and Satoshi Denno,
    Transmission Characteristics of OFDM Packets in 5 GHz Band Using USRP,
    Proceedings of the 10th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2015), Colombo, Sri Lanka, pp. 61-63, DOI: 10.1109/APSITT.2015.7217126, Aug 4-7 (5), 2015.
    
21. Satoshi Denno and Daisuke Umehara,
    A Convolutional Coded XOR Physical Layer Network Coding with Unitary Precoding in Wireless Bidirectional Relay Networks,
    Proceedings of the 7th International Conference on Signal Processing and Communication Systems (ICSPCS 2013), Gold Coast, Australia, 6 pages, DOI: 10.1109/ICSPCS.2013.6723957, Dec 16-18, 2013.
    
22. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Indoor Experiment of Multi-user MIMO User Selection Algorithm Based on Chordal Distance,
    Proceedings of the 2013 IEEE Global Communications Conference (IEEE GLOBECOM 2013), Wireless Communications Symposium, Atlanta, GA, USA, pp. 3959-3964, DOI: 10.1109/GLOCOM.2013.6831692, Dec 9-13, 2013.
    
23. Shingo Nitta, Daisuke Umehara, Koichiro Wakasugi, Shinichi Ishiko, and Toshiyasu Tsubouchi,
    High Rate and High Multiplexing CAN by Short Pulse Line Codes,
    Proceedings of the 2013 IEEE 77th Vehicular Technology Conference (IEEE VTC Spring 2013), Dresden, Germany, 5 pages, DOI: 10.1109/VTCSpring.2013.6692580, Jun 2-5, 2013.
    
24. Toshiki Tanaka, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental comparison of linear prediction schemes for multi-user MIMO systems,
    Proceedings of the 9th International Workshop on Wireless Network Measurements (WiNMee 2013), Tsukuba, Japan, May 13-17, 2013.
    
25. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Applicability of distributed transmit power control based on uplink-downlink duality to multi-user distributed antenna systems,
    Proceedings of the 2012 IEEE International Conference on Communication Systems (IEEE ICCS 2012), DOI: 10.1109/ICCS.2012.6406202, Singapore, Nov 21-23, 2012.
    
26. Akihito Taya, Satoshi Denno, Koji Yamamoto, Masahiro Morikura, Daisuke Umehara, Hidekazu Murata, and Susumu Yoshida,
    Turbo coded successive detector with virtual channels for MIMO-OFDM,
    Proceedings of the 2012 IEEE International Conference on Wireless Information Technology and Systems (IEEE ICWITS 2012), 4 pages, DOI: 10.1109/ICWITS.2012.6417768, Maui, Hawaii, USA, Novermber 11-16, 2012.
    
27. Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental verification of PER performance of STBC-based multi-hop cooperative relaying,
    Proceedings of the 2012 IEEE 76th Vehicular Technology Conference (IEEE VTC Fall 2012), DOI: 10.1109/VTCFall.2012.6399343, Québec City, Canada, 2 pages, Sep 3-6, 2012.
    
28. Mirza Golam Kibria, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Partitioned vector quantization for MU-MIMO downlink broadcasting,
    Proceedings of the 2012 IEEE 76th Vehicular Technology Conference (IEEE VTC Fall 2012), DOI: 10.1109/VTCFall.2012.6399280, Québec City, Canada, 5 pages, Sep 3-6, 2012.
    
29. Masato Taniguchi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Field experiments of linearly precoded multi-user MIMO system at 5 GHz band,
    Proceedings of the 2012 IEEE 76th Vehicular Technology Conference (IEEE VTC Fall 2012), DOI: 10.1109/VTCFall.2012.6399275, Québec City, Canada, 2 pages, Sep 3-6, 2012.
    
30. Yuichi Obata, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Performance evaluation of BP decoding for physical-layer network and LDPC coded signals,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 5 pages, Aug 23-24, 2012.
    
31. Naoki Shimizu, Daisuke Umehara, Koji Yamamoto, Hidekazu Murata, Satoshi Denno, Masahiro Morikura, and Susumu Yoshida,
    Transmission characteristics for 5 GHz indoor GPS-synchronized wireless networks,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 5 pages, Aug 23-24, 2012.
    
32. 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,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 5 pages, Aug 23-24, 2012.
    
33. Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Collaborative interference cancellation technique for MU-MIMO systems,
    Proceedings of the 9th IEEE Vehicular Technology Scociety Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 1 page, Aug 23-24, 2012.
    
34. Akihito Taya, Satoshi Denno, Koji Yamamoto, Masahiro Morikura, Daisuke Umehara, Hidekazu Murata, and Susumu Yoshida,
    A successive detector with virtual channel detection for cooperative multi-user MIMO systems,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 5 pages, Aug 23-24, 2012.
    
35. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Evaluation of clustering with distributed transmit power control for multi-user distributed antenna systems,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 4 pages, Aug 23-24, 2012.
    
36. Mirza Golam Kibria, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Predictive P-VQ for non-linear precoder in MU-MISO downlink broadcasting,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 5 pages, Aug 23-24, 2012.
    
37. Ryo Shinohara, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    USRP implementation of mobile terminals for MU-MIMO field experiments at 5GHz band,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 4 pages, Aug 23-24, 2012.
    
38. Makoto Miyagoshi, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Experimental performance comparison of STBC-based cooperative and diversity relaying,
    Proceedings of the 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications (IEEE VTS APWCS 2012), Kyoto, Japan, 4 pages, Aug 23-24, 2012.
    
39. Akihito Taya, Satoshi Denno, Koji Yamamoto, Masahiro Morikura, Daisuke Umehara, Hidekazu Murata, and Susumu Yoshida,
    A virtual successive detection for cooperative MU-MIMO systems with reduced CSI,
    Proceedings of the 2012 IEEE 75th Vehicular Technology Conference (IEEE VTC Spring 2012), DOI: 10.1109/VETECS.2012.6239970, Yokohama, Japan, 5 pages, May 6-9, 2012.
    
40. Hidekazu Murata, Koji Yamamoto, Susumu Yoshida, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Experimental results of two-way channel estimation technique for coordinated multi-point transmission,
    Proceedings of the 8th International Conference on Information, Communications and Signal Processing (ICICS 2011), DOI: 10.1109/ICICS.2011.6173520, Singapore, 4 pages, Dec 13-16, 2011.
    
41. Shigemasa Kumagawa, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    Distributed transmit power control for distributed antenna systems using MRC,
    Proceedings of the 8th International Conference on Information, Communications and Signal Processing (ICICS 2011), DOI: 10.1109/ICICS.2011.6173525, Singapore, 5 pages, Dec 13-16, 2011.
    
42. Yuki Sangenya, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    Novel length aware packet aggregation and coding scheme for multi-hop wireless LANs,
    Proceedings of the 5th International Conference on Signal Processing and Communication Systems (ICSPCS 2011), DOI: 10.1109/ICSPCS.2011.6140855, Honolulu, Hawaii, USA, 8 pages, Dec 12-14, 2011.
    
43. Masaaki Tanaka, Daisuke Umehara, Masahiro Morikura, Nobuaki Otsuki, and Takatoshi Sugiyama,
    New throughput analysis of long-distance IEEE 802.11 wireless communication system for smart grid,
    Proceedings of the 2nd IEEE International Conference on Smart Grid Communications (IEEE SmartGridComm 2011), DOI: 10.1109/SmartGridComm.2011.6102399, Brussels, Belgium, pp. 90-95, Oct 17-20, 2011.
    
44. Akihito Taya, Satoshi Denno, Daisuke Umehara, Masahiro Morikura, Hidekazu Murata, Koji Yamamoto, and Susumu Yoshida,
    A virtual layered space-frequency receiver for multiuser MIMO-OFDM systems,
    Proceedings of the 2011 IEEE 74th Vehicular Technology Conference (IEEE VTC Fall 2011), DOI: 10.1109/VETECF.2011.6092886, San Francisco, USA, 5 pages, Sep 5-8, 2011.
    
45. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Tesuo Morita, Shinichi Ishiko, and Satoshi 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 (IEEE ISPLC 2011), DOI: 10.1109/ISPLC.2011.5764401, Udine, Italy, pp. 249-254, Apr 3-6, 2011.
    
46. Daisuke Umehara, Chun-Hsiang Huang, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Enhancement of IEEE 802.11 and network coding for single-relay multi-user wireless networks,
    Proceedings of the 4th International Conference on Signal Processing and Communication Systems (ICSPCS 2010), DOI: 10.1109/ICSPCS.2010.5709703, Gold Coast, Australia, 9 pages, Dec 13-15, 2010.
    
47. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Coded packet immediate access for contention-based wireless relay networks,
    Proceedings of the 4th International Conference on Signal Processing and Communication Systems (ICSPCS 2010), DOI: 10.1109/ICSPCS.2010.5709689, Gold Coast, Australia, 9 pages, Dec 13-15, 2010.
    
48. Satoshi Denno, Ippei Aoki, Daisuke Umehara, and Masahiro Morikura,
    An iterative parallel OFDM demodulation for fast time-varying fading channels,
    Proceedings of the 4th International Conference on Signal Processing and Communication Systems (ICSPCS 2010), DOI: 10.1109/ICSPCS.2010.5709721, Gold Coast, Australia, 6 pages, Dec 13-15, 2010.
    
49. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Iterative decoding on soft information for virtual layered space-frequency receivers,
    Proceedings of the 4th International Conference on Signal Processing and Communication Systems (ICSPCS 2010), DOI: 10.1109/ICSPCS.2010.5709682, Gold Coast, Australia, 6 pages, Dec 13-15, 2010.
    
50. Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A least bit error adaptive array for multi-level modulations,
    Proceedings of the 2010 International Symposium on Antennas and Propagation (ISAP 2010), Macao, China, pp. 204-207, Nov 23-26, 2010.
    
51. Ryota Ohnishi, Satoshi Denno, Daisuke Umehara, and Masahiro 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 (IEEE PIMRC 2010), DOI: 10.1109/PIMRC.2010.5671777, Istanbul, Turkey, pp. 586-591, Sep 26-30, 2010.
    
52. Masaaki Tanaka, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Impacts of propagation delay on long-distance wireless access networks with IEEE 802.11 CSMA/CA,
    Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2010), Pattaya, Thailand, pp. 508-511, Jul 4-7, 2010.
    
53. Yuki Nakato, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput enhancement by AIFS control in single-relay wireless networks,
    Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2010), Pattaya, Thailand, pp. 740-743, Jul 4-7, 2010.
    
54. Yohei Fujii, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Saturation throughput analysis of unslotted CSMA-CA networks,
    Proceedings of the 25th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2010), Pattaya, Thailand, pp. 688-691, Jul 4-7, 2010.
    
55. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Throughput analysis of two-hop wireless CSMA network coding,
    Proceedings of the 2010 IEEE International Conference on Communications (IEEE ICC 2010), DOI: 10.1109/ICC.2010.5502114, Capetown, South Africa, 6 pages, May 23-27, 2010.
    
56. Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi 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 (IEEE ISPLC 2010), DOI: 10.1109/ISPLC.2010.5479912, Rio de Janeiro, Brazil, pp. 341-346, Mar 28-31, 2010.
    
57. Yasuhiro Yabuuchi, Daisuke Umehara, Masahiro Morikura, Toshiya Hisada, Shinichi Ishiko, and Satoshi Horihata,
    Measurement and analysis of impulsive noise on in-vehicle power lines,
    Proceedings of the 2010 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2010), DOI: 10.1109/ISPLC.2010.5479913, Rio de Janeiro, Brazil, pp. 325-330, Mar 28-31, 2010.
    
58. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    A virtual layered space-frequency communication architecture with iterative decoding,
    Proceedings of the 2009 IEEE Global Communications Conference (IEEE GLOBECOM 2009), Honolulu, Hawaii, USA, 6 pages, DOI: 10.1109/GLOCOM.2009.5426261, Nov 30-Dec 4, 2009.
    
59. Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi 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 (ADHOCNETS 2009), Niagara Falls, Ontario, Canada, pp. 376-391, DOI: 10.1007/978-3-642-11723-7_25, Sep 23-25, 2009.
    
60. Jun Imamura, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Iterative detection with soft input for virtual layered space-frequency receivers,
    Proceedings of the 20th IEEE Personal, Indoor and Mobile Radio Communications Symposium (IEEE PIMRC 2009), Tokyo, Japan, pp. 291-295, DOI: 10.1109/PIMRC.2009.5450197, Sep 13-16, 2009.
    
61. Satoshi Denno, Takashi Fujita, Daisuke Umehara, and Masahiro Morikura,
    A quasi-orthogonal STBC concatenated with a serial concatenated convolutional code,
    Proceedings of the 6th IEEE VTS Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS 2009), Seoul, Korea, pp. 209-213, Aug 20-21, 2009.
    
62. Chun-Hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, and Takatoshi 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 (ITC-CSCC 2009), Jeju, Korea, pp. 1088-1091, Jul 5-8, 2009.
    
63. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, and Takatoshi Sugiyama,
    Analysis of network coding in slotted ALOHA with two-hop bidirectional traffic,
    Proceedings of the 2009 IEEE International Conference on Communications (IEEE ICC 2009), Dresden, Germany, 5 pages, DOI: 10.1109/ICC.2009.5305934, Jun 14-18, 2009.
    
64. Satoshi Denno, Hirofumi Maruyama, Daisuke Umehara, and Masahiro Morikura,
    A virtual layered space time receiver with maximum likelihood channel detection,
    Proceedings of the 2009 IEEE 69th Vehicular Technology Conference (IEEE VTC Spring 2009), Barcelona, Spain, 5 pages, DOI: 10.1109/VETECS.2009.5073354, Apr 26-29, 2009.
    
65. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro 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 (IEEE ISPLC 2009), Dresden, Germany, pp. 171-176, DOI: 10.1109/ISPLC.2009.4913424, Mar 29-Apr 1, 2009.
    
66. Keita Watanabe, Daisuke Umehara, Satoshi Denno, and Masahiro 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 (IEEE ISPLC 2009), Dresden, Germany, pp. 137-142, DOI: 10.1109/ISPLC.2009.4913418, Mar 29-Apr 1, 2009.
    
67. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, and Masahiro Morikura,
    Throughput analysis of wireless relay slotted ALOHA systems with network coding,
    Proceedings of the 2008 IEEE Global Communications Conference (IEEE GLOBECOM 2008), New Orleans, LA, USA, 5 pages, DOI: 10.1109/GLOCOM.2008.ECP.953, Nov 30-Dec 4, 2008.
    
68. Hirofumi Maruyama, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    V-BLAST detection algorithms with real weight vector for spatial multiplexing,
    Proceedings of the 2008 International Symposium on Antennas and Propagation (ISAP 2008), Taipei, Taiwan, 4 pages, Oct 27-30, 2008.
    
69. Taro Hayasaki, Daisuke Umehara, Satoshi Denno, and Masahiro Morikura,
    A simulator of periodically switching channels for power line communications,
    Proceedings of the 2008 Third International Conference on Access Networks (ACCESSNETS 2008), Las Vegas, Nevada, USA, pp. 162-175, DOI: 10.1007/978-3-642-04648-3_12, Oct 15-17, 2008.
    
70. Koichiro Hashimoto, Satoshi Denno, Daisuke Umehara, and Masahiro Morikura,
    Parallel distortion cancellation for FFT equalizers in fast fading channels,
    Proceedings of the 11th International Symposium on Wireless Personal Multimedia Communications (WPMC 2008), Lapland, Finland, 4 pages, Sep 8-11, 2008.
    
71. Daisuke Umehara, Taro Hayasaki, Satoshi Denno, and Masahiro 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 (IEEE ISPLC 2008), Jeji Island, Korea, pp. 30-35, DOI: 10.1109/ISPLC.2008.4510394, Apr 2-4, 2008.
    
72. Shinya Honda, Daisuke Umehara, Taro Hayasaki, Satoshi Denno, and Masahiro 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 (IEEE ISPLC 2008), Jeji Island, Korea, pp. 336-341, DOI: 10.1109/ISPLC.2008.4510450, Apr 2-4, 2008.
    
73. Takashi Fujita, Daisuke Umehara, and Satoshi Denno,
    Punctured convolutional coded quasi-orthogonal STBC: Code design and maximum likelihood decoding,
    Proceedings of the 10th International Symposium on Wireless Personal Multimedia Communications (WPMC 2007), Jaipur, India, pp. 339-343, Dec 3-6, 2007.
    
74. Satoshi Denno, Shogo Sakaguchi, and Daisuke Umehara,
    Performance analysis of adaptive arrays based on minimum BER algorithms,
    Proceedings of the 2nd European Conference on Antenna and Propagation (EuCAP 2007), Edinburgh, UK, 5 pages, DOI: 10.1049/ic.2007.1511, Nov 11-16, 2007.
    
75. Daisuke Umehara and Satoshi Denno,
    A new decoding of tornado-like codes over packet loss and error channels,
    Proceedings of the 25th AIAA International Communications Satellite Systems Conference (AIAA ICSSC 2007), AIAA 2007-3267, Seoul, Korea, 7 pages, DOI: 10.2514/6.2007-3267, Apr 10-13, 2007.
    
76. Daisuke Ueyama, Daisuke Umehara, and Satoshi Denno,
    Performance evaluation of CSK/PAM system using optimized real-valued sequence,
    Proceedings of the 2007 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2007), Pisa, Italy, pp. 29-34, DOI: 10.1109/ISPLC.2007.371093, Mar 26-28, 2007.
    
77. Keita Izumi, Daisuke Umehara, and Satoshi Denno,
    Performance evaluation of wavelet OFDM using ASCET,
    Proceedings of the 2007 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2007), Pisa, Italy, pp. 246-251, DOI: 10.1109/ISPLC.2007.371131, Mar 26-28, 2007.
    
78. Daisuke Umehara, Shinji Hirata, Satoshi Denno, and Yoshiteru Morihiro,
    Modeling of impulse noise for indoor broadband power line communications,
    Proceedings of the 2006 International Symposium on Information Theory and Its Applications (ISITA 2006), Seoul, Korea, pp. 195-200, Oct 29-Nov 1, 2006.
    
79. Daisuke Umehara, Hideyuki Nishiyori, and Yoshiteru Morihiro,
    Performance evaluation of CMFB transmultiplexer for broadband power line communications under narrowband interference,
    Proceedings of the 2006 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2006), Orlando, Florida, USA, pp. 50-55, DOI: 10.1109/ISPLC.2006.247436, Mar 26-29, 2006.
    
80. Masahiro Ishihara, Daisuke Umehara, and Yoshiteru Morihiro,
    The correlation between radiated emissions and power line network components on indoor power line communications,
    Proceedings of the 2006 IEEE International Symposium on Power-Line Communications and Its Applications (IEEE ISPLC 2006), Orlando, Florida, USA, pp. 314-318, DOI: 10.1109/ISPLC.2006.247481, Mar 26-29, 2006.
    
81. Hiroki Nakagawa, Daisuke Umehara, Satoshi Denno, and Yoshiteru Morihiro,
    A decoding for low density parity check codes over impulsive noise channels,
    Proceedings of the 9th International Symposium on Power-Line Communications and Its Applications (ISPLC 2005), Vancouver, Canada, pp. 85-89, DOI: 10.1109/ISPLC.2005.1430471, Apr 6-8, 2005.
    
82. Daisuke Umehara, Hiroshi Yamaguchi, and Yoshiteru Morihiro,
    Turbo decoding in impulsive noise environment,
    Proceedings of the 47th Annual IEEE Global Telecommunications Conference, Dallas (IEEE GLOBECOM 2004), Texas, USA, pp. 194-198, DOI: 10.1109/GLOCOM.2004.1377938, Nov 29-Dec 3, 2004.
    
83. Daisuke Umehara, Hiroshi Yamaguchi, and Yoshiteru Morihiro,
    Turbo decoding over impulsive noise channel,
    Proceedings of the 8th International Symposium on Power-Line Communications and Its Applications (ISPLC 2004), Zaragoza, Spain, pp. 51-56, Mar 31-Apr 2, 2004.
    
84. Kyosuke Mizutani, Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    Digital PLL under impulsive noise environment,
    Proceedings of the 7th International Symposium on Power-Line Communications and Its Applications (ISPLC 2003), Kyoto, Japan, pp. 38-43, Mar 26-28, 2003.
    
85. Yuki Nakano, Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    Viterbi decoding for convolutional code over Class A noise channel,
    Proceedings of the 7th International Symposium on Power-Line Communications and Its Applications (ISPLC 2003), Kyoto, Japan, pp. 97-102, Mar 26-28, 2003.
    
86. Tadayoshi Fukami, Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    Noncoherent FSK optimum receiver over impulsive noise channels,
    Proceedings of the 7th International Symposium on Power-Line Communications and Its Applications (ISPLC 2003), Kyoto, Japan, pp. 91-96, Mar 26-28, 2003.
    
87. Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    A suboptimal receiver for PCSS system over Class A noise channel,
    Proceedings of the 2002 International Symposium on Information Theory and Its Applications (ISITA 2002), Xi'an, PRC, pp. 775-778, Oct 7-11, 2002.
    
88. Tadayoshi Fukami, Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    Noncoherent PSK optimum receiver over impulsive noise channels,
    Proceedings of the 2002 International Symposium on Information Theory and Its Applications (ISITA 2002), Xi'an, PRC, pp. 235-238, Oct 7-11, 2002.
    
89. Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    An iterative detection for M-ary SS system over impulsive noise channel,
    Proceedings of the 6th International Symposium on Power-Line Communications and Its Applications (ISPLC 2002), Athens, Greece, pp. 203-207, Mar 27-29, 2002.
    
90. Hidenori Matsuo, Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    An iterative detection for OFDM over impulsive noise channel,
    Proceedings of the 6th International Symposium on Power-Line Communications and Its Applications (ISPLC 2002), Athens, Greece, pp. 213-217, Mar 27-29, 2002.
    
91. Shigeru Asakura, Daisuke Umehara, and Makoto Kawai,
    Distributed location estimation method based on SOM algorithm for ad-hoc networks,
    Proceedings of European Wireless 2002 (EW 2002), Florence, Italy, pp. 340-345, Feb 25-28, 2002.
    
92. Daisuke Umehara, Makoto Kawai, and Yoshiteru Morihiro,
    Performance analysis of noncoherent coded modulation for power line communication,
    Proceedings of the 5th International Symposium on Power-Line Communications and Its Applications (ISPLC 2001), Malmö, Sweden, pp. 291-298, Apr 4-6, 2001.
    
93. Daisuke Umehara and Tomohiko Uyematsu,
    One-point algebraic geometric codes from Artin-Schreier extensions of Hermitian function fields,
    Proceedings of the 1998 International Symposium on Information Theory and Its Applications (ISITA 1998), Mexico City, Mexico, pp. 196-199, Oct 14-16, 1998.
    

---

UMEHARA Daisuke umehara@kit.ac.jp

Last modified: 2024/10/17 18:41