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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-04-26 09:55 |
Hiroshima | (Primary: On-site, Secondary: Online) |
Dimensionality Reduction of Interference Subspace on Simplified Null-Space Expansion for Massive MIMO Soya Nakamura, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science)  RCS2024-7 |
(To be available after the conference date) [more] | RCS2024-7 pp.32-37 |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Interference Suppression Performance of ICA in Time-varying Channel Environment Soma Sumita, Haruya Ikeda (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Research on underwater acoustic communication has been attracting attention in Beyond 5G/6G. Since the speed of sound i... [more] |
|
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dimensionality reduction of interference subspace on one-shot null-space expansion for massive MIMO Soya Nakamura, Yuki Sasaki, Maruta Kazuki (Tokyo Univ.Science) |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels，taking advantag... [more] | |
| SR, UWT (Joint) |
2023-01-26 16:15 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Double Differential OFDM Employing Decision-Feedback Multiple Deferential Detection for Time-varying Doppler Shift Koki Toyoda, Hiroshi Kubo (Ritsumeikan Univ.) |
This paper discusses doubly differential orthogonal frequency division multiplexing (D2OFDM) for underwater acoustic com... [more] | |
| IT, RCS, SIP | 2023-01-24 11:55 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Interference Suppression Performance of CMA Using Time-Domain Inter-Symbol Spreading in Time-Varying Channel Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT) IT2022-33 SIP2022-84 RCS2022-212 |
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal. Vehicle-to-everythin... [more] |
IT2022-33 SIP2022-84 RCS2022-212 pp.25-29 |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Interference Suppression Performance of Blind Adaptive Array in Time-Varying Channel Environment Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT) |
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal. Vehicle-to-everythin... [more] |
|
| IT, SIP, RCS | 2020-01-24 12:35 |
Hiroshima | Hiroshima City Youth Center | Differential Orthogonal Frequency-Division Multiplexing Employing AFC for Time-Varying Doppler Shifts in Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-70 SIP2019-83 RCS2019-300 |
This paper proposes differential orthogonal frequency division multiplexing (OFDM) employing automatic frequency control... [more] | IT2019-70 SIP2019-83 RCS2019-300 pp.197-202 |
| RCC, MICT | 2019-05-29 15:30 |
Tokyo | TOKYO BIG SIGHT | [Poster Presentation]
Power Transfer Scheduling Considering Channel State in Wireless Powered Sensor Networks Tatsuya Ishida, Shinsuke Tanaka, Hiroyuki Yomo (Kansai Univ.) RCC2019-9 MICT2019-9 |
In order to realize battery-less wireless sensor networks, WPSNs (Wireless Powered Sensor Networks) are actively studied... [more] | RCC2019-9 MICT2019-9 pp.41-46 |
| RCS, SR, SRW (Joint) |
2018-02-28 10:50 |
Kanagawa | YRP | Comparisons on Differential Space-Time Coding Schemes with Channel Prediction for Fast Time-Varying Channels Hiroshi Kubo, Toshiki Mori, Akinobu Murayama, Takuma Yamagashi, Nanase Yumoto (Ritsumeikan Univ.) RCS2017-330 |
This paper compares differential space-time coding (DSTC) schemes employing channel prediction for fast time-varying cha... [more] | RCS2017-330 pp.75-80 |
| RCS, SR, SRW (Joint) |
2018-02-28 11:10 |
Kanagawa | YRP | Double Differential Encoding Employing Double Decision-Feedback Multiple Deferential Detection for Fast Time-Varying Channels Toshiki Mori, Hiroshi Kubo (Ritsumeikan Univ.) RCS2017-331 |
This paper proposes a demodulation scheme employing decision-feedback multiple differential detection (DFMDD) for double... [more] | RCS2017-331 pp.81-86 |
| RCS | 2017-06-21 13:25 |
Okinawa | Ishigaki Shoukou Kaikan | Interference Minimization Through Power Allocation for MU-MIMO Under Time-Varying Channels Ilmiawan Shubhi, Hidekazu Murata (Kyoto Univ.) RCS2017-51 |
In a multi-user multiple-input multiple-output (MU-MIMO) system, accurate channel state information is required to set a... [more] | RCS2017-51 pp.7-11 |
| RCS | 2017-06-23 09:30 |
Okinawa | Ishigaki Shoukou Kaikan | A Multiple Differential Detection Based on Channel Prediction Employing Soft-Output Per-Survivor Processing Kazuki Shimomura, Toshiki Mori, Hiroshi Kubo (Ritsumeikan Univ.) RCS2017-77 |
In order to improve tracking capability for fast time-varying channels, this paper proposes demodulation schemes employi... [more] | RCS2017-77 pp.161-166 |
| SAT, RCS (Joint) |
2016-08-19 12:40 |
Miyagi | Tohoku Gakuin University | Multiple Differential Detection Employing First-Order Channel Prediction Based on Per-Survivor Processing for Fast Time-Varying Channels Nanase Yumoto, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-149 |
This paper proposes multiple differential detection based on per-survivor processing (PSP-MDD) employing first-order cha... [more] | RCS2016-149 pp.113-118 |
| SAT, RCS (Joint) |
2016-08-19 13:05 |
Miyagi | Tohoku Gakuin University | Decision-Feedback Block Differential Detection for M-ary PSK Akinobu Murayama, Nanase Yumoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-150 |
This paper discusses performance of decision-feedback block differential detection (DFBDD) for differential space-time b... [more] | RCS2016-150 pp.119-124 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 16:55 |
Tokyo | Tokyo Institute of Technology | A Study of Time-varying Channel Tolerance of Receiving Technique in Multiple-Input Multiple-Output Eigenbeam Space Division Multiplexing Yusuke Dohi, Tetsushi Ikegami (Meiji Univ.) RCS2015-359 |
A degraded communication performance for feedback delay has been recognized in MIMO (multiple-input multiple-output) E-S... [more] | RCS2015-359 pp.157-162 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-30 10:30 |
Nagano | JA Naganoken Bldg. | [Poster Presentation]
A Study of Feedback for Channel State Information in Multiple-Input Multiple-Output Eigenbeam Space Division Multiplexing Yusuke Dohi, Tetsushi Ikegami (Meiji Univ.) RCC2015-24 NS2015-44 RCS2015-107 SR2015-25 ASN2015-34 |
A degraded communication performance from feedback delay has been recognized in multiple-input multiple-output (MIMO) ei... [more] | RCC2015-24 NS2015-44 RCS2015-107 SR2015-25 ASN2015-34 pp.35-40(RCC), pp.39-44(NS), pp.37-42(RCS), pp.53-58(SR), pp.75-80(ASN) |
| RCS | 2015-06-25 13:40 |
Hokkaido | Hokkaido Univ. | Interference Alignment for Time-varying Channel with Channel and Weight Predictions based on Auto Regressive Model Masayoshi Ozawa, Tomoaki Ohtsuki (Keio Univ.), Wenjie Jiang, Yasushi Takatori (NTT) RCS2015-72 |
In interference alignment (IA), interference signals are aligned in a certain signal subspace of each receiver and elimi... [more] | RCS2015-72 pp.155-160 |
| ISEC, IT, WBS | 2015-03-02 14:30 |
Fukuoka | The University of Kitakyushu | Block Differential Detection Employing Higher Order Channel Prediction for Multi-Carrier Differential Space-Time Block Coding Kouki Nakamura, Ritsuko Miyazaki, Hiroshi Kubo (Ritsumeikan Univ.) IT2014-74 ISEC2014-87 WBS2014-66 |
This paper discusses multi-carrier modulation schemes in the presence of fast time-varying frequency selective fading. T... [more] | IT2014-74 ISEC2014-87 WBS2014-66 pp.75-80 |
| MoNA, CQ (Joint) |
2014-09-12 14:45 |
Miyagi | A Study on Transmit Weight Control Algorithms for Per-antenna Peak Output Power Aware Feedback-type MIMO Systems Affected by Feedback-bit Error Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CQ2014-64 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmitter/receiver spatial filte... [more] | CQ2014-64 pp.141-146 |
|
| CS | 2014-07-04 09:50 |
Kagoshima | Minamitanecho Shoukoukai Kaigishitsu | A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission, Part III
-- Performance Evaluation in Transmit Peak Power Aware Feedback-type MIMO systems -- Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CS2014-34 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmit- ter/receiver spatial l... [more] |
CS2014-34 pp.101-106 |
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