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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2021-03-05
17:20
Online Online [Encouragement Talk] A Study on Downlink Channel Estimation Based on Multipath Separation in a Wideband FDD System
Shiori Tosaka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) RCS2020-261
In an FDD system, downlink channel state information (CSI) is necessary at a base station for efficient transmission.
T... [more]
RCS2020-261
pp.267-272
CQ
(2nd)
2017-08-26
15:00
Saitama Nippon Institute of Technology [Poster Presentation] Simple beamforming method on downlink multi-beam massive MIMO
Shota Ogawa, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT Univ.)
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more]
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University [Poster Presentation] Simple beamforming method with terminal station on downlink multi-beam massive MIMO
Shota Ogawa, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT)
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more]
AP, WPT
(Joint)
2017-01-20
09:40
Hiroshima Hiroshima Institute of Technology Downlink multi-beam massive MIMO with simple control on user terminal
Shota Ogawa, Kentaro Nishimori, Ryotaro Taniguchi, Kohei Kameyama (Niigata Univ.), Takefumi Hiraguri (NIT Univ.) AP2016-143
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more] AP2016-143
pp.79-84
CQ
(2nd)
2016-10-06
14:20
Nagano Naganoken Nokyo Building [Poster Presentation] [Poster Presentation] Basic study on downlink multi-beam massive MIMO
Shota Ogawa, Kentaro Nishimori, Ryotaro Taniguchi, Kohei Kameyama, Hideo Makino (Niigata Univ.)
Multi-beam massive MIMO configuration has proposed that utilizes the beam selection with high powerin analog part and bl... [more]
RCS, CCS, SR, SRW
(Joint)
2016-03-02
09:25
Tokyo Tokyo Institute of Technology Impact of CSI error on Distributed Antenna OFDM-MU-MIMO Downlink
Yuta Seki, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2015-334
In small-cell network where a number of distributed antennas are deployed within each macro-cell, multi-user multiple-in... [more] RCS2015-334
pp.7-12
RCS 2013-06-21
10:30
Hokkaido Hokkaido Univ. Investigations on System-level Throughput of Non-Orthogonal Access with SIC in Cellular Downlink When Channel Estimation Error Exists
Kenta Yamamoto (Tokyo Univ. of Science), Yuya Saito (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2013-67
We investigate the influence of channel estimation error on the achievable system-level throughput performance of the no... [more] RCS2013-67
pp.177-182
RCS, NS, USN
(Joint)
2012-07-20
13:50
Iwate Iwate Univ. Non-orthogonal Access with Random Beamforming and Intra-beam SIC for Cellular MIMO Downlink
Kenichi Higuchi (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO) RCS2012-89
We consider the non-orthogonal access with successive interference canceller (SIC) in cellular multiple-input multiple-o... [more] RCS2012-89
pp.85-90
RCS, AP 2004-10-29
09:50
Niigata Niigata University Time Domain Spreading MC-CDMA System for Downlink Transmission under Time-Variant Fading Channel
Yuanrun Teng, Katsuhiro Naito, Kazuo Mori, Hideo Kobayashi (Mie Univ.)
This paper investigates the time domain spreading MC-CDMA system, which is equivalent to MC-DS-CDMA with frequency sprea... [more] AP2004-165 RCS2004-186
pp.71-76
 Results 1 - 9 of 9  /   
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