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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
10:50
Fukuoka Fukuoka univ. Investigation on Downlink/Uplink Throughput Performance in Heterogeneous Network Employing Cell Range Expansion for LTE-Advanced
Akihito Morimoto, Nobuhiko Miki, Yukihiko Okumura (NTT DOCOMO) RCS2012-129
In LTE-Advanced, heterogeneous networks are important to improve further the system throughput per unit area. In heterog... [more] RCS2012-129
pp.25-30
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
IN, RCS
(Joint)
2012-05-17
09:25
Tokyo Kuramae-Kaikan, Tokyo Institute of Technology Investigation on Transmission Power Control Suitable for Heterogeneous Network Employing Cell Range Expansion in LTE-Advanced Uplink
Akihito Morimoto, Nobuhiko Miki (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations, Inc), Daisuke Nishikawa, Yukihiko Okumura (NTT DOCOMO) RCS2012-22
In Long-Term Evolution (LTE)-Advanced, heterogeneous networks where femtocells and picocells are overlaid onto macrocell... [more] RCS2012-22
pp.1-6
AP, RCS
(Joint)
2011-11-17
09:15
Aichi Nagoya Congress Center Investigation on Combination Usage of Cell Range Expansion and Inter-cell Interference Coordination in Heterogeneous Networks for LTE-Advanced Downlink
Masashige Shirakabe, Akihito Morimoto, Nobuhiko Miki (NTT DOCOMO) RCS2011-206
 [more] RCS2011-206
pp.103-108
RCS, AN, MoNA, SR
(Joint)
2010-03-05
13:40
Kanagawa YRP Heterogeneous Network in LTE-Advanced
Motohiro Tanno, Akihito Morimoto, Tetsushi Abe, Yoshihisa Kishiyama, Takehiro Nakamura (NTT DOCOMO) RCS2009-317 MoMuC2009-90 SR2009-114 AN2009-83
LTE (Long-Term Evolution)-Advanced will focus on deployments in local areas such as indoor and hotspot environments, sin... [more] RCS2009-317 MoMuC2009-90 SR2009-114 AN2009-83
pp.345-350(RCS), pp.95-100(MoMuC), pp.155-160(SR), pp.83-88(AN)
RCS, IN
(Joint)
2009-05-22
15:20
Tokyo Kikai-Shinko-Kaikan Bldg. Investigation on Optimum Radio Link Connection Methods in Heterogeneous Network for LTE-Advanced
Akihito Morimoto, Daisuke Nishikawa, Yoshihisa Kishiyama, Motohiro Tanno (NTT DOCOMO) RCS2009-23
This paper proposes the optimum radio link connection (RLC) methods using remote radio equipment (RRE) in a heterogeneou... [more] RCS2009-23
pp.133-138
RCS 2008-08-27
13:50
Hokkaido Hokkaido University Performance Evaluation of MBMS Signals Using Time Diversity in OFDM based Evolved UTRA Downlink
Akihito Morimoto, Yoshihisa Kishiyama, Motohiro Tanno (NTT DoCoMo), Mamoru Sawahashi (Musashi Inst. of Tech.) RCS2008-62
This paper presents the gain of time diversity on the achievable data rate of Multimedia Broadcast Multicast Service (MB... [more] RCS2008-62
pp.55-60
RCS 2008-06-27
13:40
Mie Mie University Effects of closed-loop transmission power control for physical uplink control channel in Evolved UTRA
Teruo Kawamura, Yoshihisa Kishiyama, Akihito Morimoto (NTT DoCoMo), Kenichi Higuchi (Tokyo University of Science), Mamoru Sawahashi (Musashi Institute of Technology) RCS2008-24
 [more] RCS2008-24
pp.49-54
RCS, AN
(Joint)
2007-08-24
18:10
Niigata Niigata University Investigations on Transmit Diversity Schemes Suitable for Shared Data Channel in Evolved UTRA Downlink
Akihito Morimoto, Hidekazu Taoka (NTT DoCoMo), Kenichi Higuchi (Tokyo Univ. of Science), Mamoru Sawahashi (Musashi Institute of Tech.) RCS2007-79
 [more] RCS2007-79
pp.153-158
NS, RCS
(Joint)
2007-07-20
14:20
Hokkaido Kitami Institute of Tech. Transmit Diversity Schemes Suitable for Common Control Channel in Evolved UTRA Downlink
Akihito Morimoto, Hidekazu Taoka, Hiroyuki Kawai (NTT DoCoMo, Inc.), Kenichi Higuchi (Tokyo Univ. of Science), Mamoru Sawahashi (Musashi Institute of Tech.) RCS2007-50
 [more] RCS2007-50
pp.127-132
RCS 2006-08-31
16:30
Miyagi Tohoku Univ. Design of Pilot Channels for TDM-Based MBMS in OFDM Based Evolved UTRA Downlink
Akihito Morimoto, Naoto Ohkubo, Yoshihisa Kishiyama, Kenichi Higuchi (NTT DoCoMo), Mamoru Sawahashi (Mi-tech) RCS2006-114
 [more] RCS2006-114
pp.55-60
RCS, NS
(Joint)
2006-07-21
17:50
Hokkaido Hokkaido Univ. System-Level Evaluations on Throughput Using Intra-Node B Orthogonal Pilot Channel in Multi-cell Environment for OFDM-Based E-UTRA Downlink
Yoshihisa Kishiyama, Akihito Morimoto, Kenichi Higuchi (NTT DoCoMo), Mamoru Sawahashi (MI-Tech) RCS2006-102
 [more] RCS2006-102
pp.257-262
RCS, NS
(Joint)
2006-07-21
18:10
Hokkaido Hokkaido Univ. Comparison of Inter-Node B Soft Handover Gain with Hard Handover for Packet-Based Single-Carrier-Based Evolved UTRA Uplink
Hiroyuki Kawai, Akihito Morimoto, Kenichi Higuchi (NTT DoCoMo), Mamoru Sawahashi (Musashi Inst. of Tech.) RCS2006-103
 [more] RCS2006-103
pp.263-268
RCS 2006-06-22
14:00
Aichi Nagoya Inst. Tech. Comparison of Inter-Sector Macro Diversity Method in Evolved UTRA Downlink OFDM Radio Access
Akihito Morimoto, Kenichi Higuchi (NTT DoCoMo), Mamoru Sawahashi (Musashi Institute of Technology) RCS2006-38
This paper compares the user throughput and the sector throughput performance using fast sector selection (FSS) with mut... [more] RCS2006-38
pp.19-24
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