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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, RCS 2015-01-22
14:10
Okayama Okayama Univ. A throughput evaluation of an over-distributed antenna system with signal distributing or switching under control delay
Yuki Nakanishi, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) SIP2014-91 RCS2014-279
When a base station has many transmit antennas such as a massive MIMO system, we need as many pilot resources as the tra... [more] SIP2014-91 RCS2014-279
pp.61-66
SAT, RCS
(Joint)
2014-08-19
10:55
Kochi Kochi City Cultura-Plaza CUL-PORT An evaluation of multiuser MIMO throughput in a distributed antenna system with signal distribution
Yuki Nakanishi, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) RCS2014-140
A distributed antenna system, where antennas of a base station are spatially distributed over the cell, can improve thro... [more] RCS2014-140
pp.7-12
RCS, NS
(Joint)
2013-12-18
16:35
Kagawa Sunport Hall Takamatsu Investigation on Inter-cell Succsessive Interference Canceller Based on Soft Detection in LTE-Advanced Downlink
Yousuke Sano, Yusuke Ohwatari, Kazuaki Takeda, Yukihiko Okumura (NTT DOCOMO) RCS2013-217
In LTE-Advanced, to improve the user throughput, non-linear receivers which cancel the inter-cell interference signals u... [more] RCS2013-217
pp.65-70
RCS, AP
(Joint)
2013-11-20
17:15
Shimane Matsue Terrsa A Study on BP-based Signal Detection for a Massive MIMO system in Spatially Correlated Channels
Wataru Fukuda, Takashi Abiko, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO) RCS2013-183
The easiest way to improve the throughput performance of multiple-input multiple-output (MIMO) systems is increasing the... [more] RCS2013-183
pp.55-60
ASN, RCS, NS, SR
(Joint)
2013-07-17
14:55
Shizuoka Hamamatsu Act City Investigation on design for non-backward compatible carriers in LTE-Advanced
Yusuke Ohwatari, Kazuaki Takeda, Akihito Morimoto, Satoshi Nagata, Yuta Sagae, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) RCS2013-82
 [more] RCS2013-82
pp.25-30
RCS 2013-04-18
15:40
Okinawa Ishigaki City Hall Investigation on Feedback Information for Interference Rejection Combining Receiver in LTE-Advanced Downlink
Yousuke Sano, Yusuke Ohwatari, Yuta Sagae, Akihito Morimoto, Yukihiko Okumura (NTT DOCOMO) RCS2013-11
The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improvi... [more] RCS2013-11
pp.61-66
SIP, RCS 2013-01-31
14:45
Hiroshima Viewport-Kure-Hotel (Kure) Investigation on Interference Rejection Combining Receiver in Heterogeneous Networks Employing Inter-cell Interference Coordination for LTE-Advanced Downlink
Yusuke Ohwatari, Akihito Morimoto, Nobuhiko Miki, Yukihiko Okumura (NTT DOCOMO) SIP2012-96 RCS2012-253
In LTE-Advanced, heterogeneous networks where low power nodes such as picocells are overlaid onto macrocells were extens... [more] SIP2012-96 RCS2012-253
pp.91-96
SIP, RCS 2013-02-01
13:00
Hiroshima Viewport-Kure-Hotel (Kure) Complexity Reduction Approaches for Signal Detection Based on Belief Propagation in a Large Scale MIMO System
Wataru Fukuda, Takashi Abiko, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) SIP2012-119 RCS2012-276
The easiest way to improve the throughput performance of multiple-input multiple-output (MIMO) systems is to increase th... [more] SIP2012-119 RCS2012-276
pp.225-230
SIP, RCS 2013-02-01
13:25
Hiroshima Viewport-Kure-Hotel (Kure) Performance Evaluation of Belief-Propagation Algorithm with MRC for Signal Detection in a Large Scale MIMO System
Takashi Abiko, Wataru Fukuda, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) SIP2012-120 RCS2012-277
Multiple-input multiple-output (MIMO) systems are well known as a method to improve the throughput performance. Recently... [more] SIP2012-120 RCS2012-277
pp.231-236
NS, RCS
(Joint)
2012-12-13
10:50
Ehime Ehime Univ. Investigation on Effect of User Throughput Improvement for Interference Rejection Combining Receiver in Heterogeneous Networks for LTE-Advanced Downlink
Yusuke Ohwatari, Akihito Morimoto, Nobuhiko Miki, Yukihiko Okumura (NTT DOCOMO) RCS2012-189
In LTE-Advanced, heterogeneous networks where low power nodes such as picocells are overlaid onto macrocells were extens... [more] RCS2012-189
pp.35-40
AP, RCS
(Joint)
2012-11-16
13:50
Tokyo Tokyo Denki University Investigation on Link Performance Modeling Considering Channel Estimation Error for System Performance Evaluation of Interference Rejection Combining Receiver in LTE-Advanced Downlink
Yousuke Sano, Yusuke Ohwatari, Nobuhiko Miki, Akihito Morimoto, Yukihiko Okumura (NTT DOCOMO) RCS2012-179
This paper investigates the advanced receiver employing interference rejection combining (IRC) modeling schemes for the ... [more] RCS2012-179
pp.109-114
SR, AN, USN, RCS
(Joint)
2012-10-17
09:25
Fukuoka Fukuoka univ. A Study on Signal Detection in a Large Scale MIMO System -- Concept and BER Performance --
Wataru Fukuda, Takashi Abiko, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) RCS2012-126
The easiest way to improve the throughput performance of multiple-input multiple-output (MIMO) systems is increasing the... [more] RCS2012-126
pp.7-12
SR, AN, USN, RCS
(Joint)
2012-10-17
09:50
Fukuoka Fukuoka univ. A Study on Signal Detection in a Large Scale MIMO System -- An EXIT Chart Analysis of Iterative Processing --
Takashi Abiko, Wataru Fukuda, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yusuke Ohwatari, Yoshihisa Kishiyama (NTT DOCOMO) RCS2012-127
Multiple-input multiple-output (MIMO) systems are well known as a method to improve the throughput performance. Recently... [more] RCS2012-127
pp.13-18
SR, AN, USN, RCS
(Joint)
2012-10-17
11:15
Fukuoka Fukuoka univ. Cell identification performance based on hierarchical synchronization channels in dense small cell environment
Hiroki Harada, Akihito Morimoto, Yusuke Ohwatari, Satoshi Nagata (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations), Yukihiko Okumura (NTT DOCOMO) RCS2012-130
 [more] RCS2012-130
pp.31-36
RCS 2012-06-21
16:30
Hokkaido Hakodate City Central Library Investigation on Link Performance Modeling of Interference Rejection Combining Receiver for System Level Evaluation in LTE-Advanced Downlink
Yousuke Sano, Yusuke Ohwatari, Nobuhiko Miki, Akihito Morimoto, Yukihiko Okumura (NTT DOCOMO) RCS2012-57
The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improvi... [more] RCS2012-57
pp.85-90
RCS 2012-04-20
13:00
Kyoto Kyoto Univ. Investigation on Impact of Interference Rejection Combining Receiver Assuming Inter-cell Reference Signals Collision in LTE-Advanced
Yusuke Ohwatari, Nobuhiko Miki, Yuta Sagae, Yukihiko Okumura (NTT DOCOMO) RCS2012-15
The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improvi... [more] RCS2012-15
pp.85-90
SR, RCS, SRW
(Joint)
2012-03-08
09:25
Kanagawa YRP Investigation on Interference Rejection Combining Receiver for Open-loop Transmit Diversity in LTE-Advanced Downlink
Yusuke Ohwatari, Nobuhiko Miki, Yuta Sagae (NTT DOCOMO) RCS2011-338
The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improvi... [more] RCS2011-338
pp.133-138
RCS, AN, SR, USN
(Joint)
2011-10-28
16:05
Tokyo Sophia Univ. Investigation on Interference Rejection Combining Receiver in Asynchronous Network for LTE-Advanced Downlink
Yusuke Ohwatari, Nobuhiko Miki, Tetsushi Abe (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab) RCS2011-186
The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improvi... [more] RCS2011-186
pp.273-278
RCS, NS
(Joint)
2011-07-21
11:05
Hokkaido Asahikawa Civic Culture Hall Investigation of Interference Rejection Combining Receiver to Suppress Inter-cell Interference in LTE-Advanced Downlink
Yusuke Ohwatari, Nobuhiko Miki, Takahiro Asai, Tetsushi Abe (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab) RCS2011-80
The interference rejection combining (IRC) receiver is effective in improving the cell-edge user throughput because it s... [more] RCS2011-80
pp.31-36
AN, USN, SR, RCS
(Joint)
2010-10-27
15:10
Osaka Osaka University Investigation on Improvement of Channel Estimation Accuracy with Data Signal Muting for Downlink Coordinated Multiple-Point Transmission and Reception in LTE-Advanced
Yusuke Ohwatari, Nobuhiko Miki, Tetsushi Abe, Satoshi Nagata, Yukihiko Okumura (NTT DOCOMO) RCS2010-112
Accurate channel estimation for multiple cells is essential in downlink coordinated multi-point (CoMP) transmission/rece... [more] RCS2010-112
pp.31-36
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