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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) |
Performance Improvement by Dimensionality Reduction of Interference Subspace on One-Shot Null-Space Expansion for Massive MIMO Soya Nakamura, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science)  RCS2024-7 |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels，taking advantag... [more] | RCS2024-7 pp.32-37 |
| 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] | |
| 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 |
| 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 |
| RCS | 2014-06-17 09:24 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Multi-carrier decision-feedback differential detection employing higher order channel prediction for fast time-varying fading Ritsuko Miyazaki, Hiroshi Kubo (Ritsumeikan Univ.) RCS2014-35 |
This paper discusses multi-carrier modulation scheme in the presence of fast time-varying frequency selective fading. Th... [more] | RCS2014-35 pp.19-24 |
| CS, CAS, SIP | 2014-03-06 15:15 |
Osaka | Osaka City University Media Center | A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission(2)
-- Performance evaluation in case with feedback-type weight controls for time-varying channels -- Yusuke Ohki, Satoshi Takabatake, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CAS2013-110 SIP2013-156 CS2013-123 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmitter/receiver spatial filte... [more] | CAS2013-110 SIP2013-156 CS2013-123 pp.115-120 |
| RCS, SR, SRW (Joint) |
2014-03-03 14:50 |
Tokyo | Waseda Univ. | PADM (Per transmit Antenna Differential Mapping) Transmit Diversity Employing Higher Order Channel Prediction
-- Introduction of Asymmetric Differential Mapping -- Hiroshi Kubo (Ritsumeikan Univ.) RCS2013-340 |
This paper discusses performance of PADM (per transmit antenna differential mapping) transmit diversity employing higher... [more] | RCS2013-340 pp.205-210 |
| RCS, SIP | 2014-01-24 11:35 |
Fukuoka | Kyushu Univ. | Proposal of Channel Estimation Method for OFDM Based Analogue Network Coding in Higher Time-varying Fading Channel Tanairat Mata, Katsuhiro Naito, Kazuo Mori (Mie Univ.), Pisit Boonsrimuang (KMITL), Hideo Kobayashi (Mie Univ.) SIP2013-116 RCS2013-286 |
Broadband Analog Network Coding (ANC) based on OFDM has been widely investigated to increase capacity of bi-directional ... [more] | SIP2013-116 RCS2013-286 pp.181-186 |
| RCS, AP (Joint) |
2013-11-21 10:25 |
Shimane | Matsue Terrsa | Considerations on Prediction Effects of Multi-User MIMO Channels in Time-Varying Environments Kanako Yamaguchi, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) AP2013-107 |
A multi-user MIMO system uses block diagonalization and eigenbeam-space division multiplexing to suppress inter-user int... [more] | AP2013-107 pp.43-48 |
| RCS, AP (Joint) |
2013-11-21 17:50 |
Shimane | Matsue Terrsa | [Invited Talk]
Differential Space-Time Coding for Fast Time-Varying Channels and its Applications to Wireless Communication Systems Hiroshi Kubo (Ritsumeikan Univ.) AP2013-115 RCS2013-193 |
This paper makes a brief comparison of differential space-time coding with channel prediction for fast time-varying chan... [more] | AP2013-115 RCS2013-193 pp.87-92(AP), pp.111-116(RCS) |
| IT, ISEC, WBS | 2013-03-07 17:25 |
Osaka | Kwansei Gakuin Univ., Osaka-Umeda Campus | [Invited Talk]
Space-Time Coding Technologies for Fast Time-Varying Channels Hiroshi Kubo (Ritsumeikan Univ.) IT2012-89 ISEC2012-107 WBS2012-75 |
This paper discusses differential space-time coding for fast time-varying channels. Differential space-time coding, whic... [more] | IT2012-89 ISEC2012-107 WBS2012-75 pp.169-174 |
| AP, RCS (Joint) |
2012-11-15 10:15 |
Tokyo | Tokyo Denki University | Demodulation Schemes Employing Decision-Directed Channel Prediction for Differential Space-Time Block Coding Hiroshi Kubo (Ritsumeikan Univ.) RCS2012-163 |
In order to improve tracking capability for fast time-varying channels, this paper proposes demodulation schemes employi... [more] | RCS2012-163 pp.13-18 |
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