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 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SAT
(Joint)
2013-08-29
15:45
Nagano Shinshu Univ. Single-carrier MIMO Transmission Using Adaptive Selection of Modulation Level and Spatial Multiplexing Order
Ryo Nagaoka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2013-128
Multiple-input multiple-output (MIMO) transmission, which uses multiple antennas at transmitter and receiver, can increa... [more] RCS2013-128
pp.31-36
RCS, SR, SRW
(Joint)
2013-02-27
14:30
Tokyo Waseda Univ. Single-carrier MIMO Adaptive Multiplexing Order Selecting Transmission Using Cyclic Delay Pilot Channel Estimation
Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-296
There is a trade-off between the spatial diversity and the spatial multiplexing in multiple-input multiple-output (MIMO)... [more] RCS2012-296
pp.73-78
RCS 2012-06-21
10:20
Hokkaido Hakodate City Central Library Study on Single-carrier MIMO Spatial Multiplexing/Diversity Switching Methods in a Multi-cell Environment
Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-44
Multiple-Input Multiple-Output (MIMO) which uses multiple transmit and receive antennas can increase the maximum transmi... [more] RCS2012-44
pp.7-12
SR, RCS, SRW
(Joint)
2012-03-09
14:15
Kanagawa YRP Channel Capacity Of Uplink Single-Carrier Cooperative AF Relay Using Direct/Cooperative Relay Switching In A Multi-Cell Envirionment
Masayuki Nakada, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-368
In the next generation mobile communication systems, high speed data services are demanded. However, unacceptable large ... [more] RCS2011-368
pp.311-316
SR 2012-01-26
14:30
Kagoshima Kagoshima Hybrid Single-Carrier and Multi-Carrier System: Evaluation of Throughput with Inter-Cell Interference
Yuji Miyake, Kazumasa Kobayashi, Kazuhiro Komatsu (Tohoku Univ.), Hiroshi Oguma (Toyama National College of Technology), Noboru Izuka (SoftBank Telecom Corp./Tohoku Univ.), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2011-81
We have investigated hybrid single-carrier (SC) and multi-carrier (MC) system.
MC transmission is effective for high d... [more]
SR2011-81
pp.23-28
NS, RCS
(Joint)
2011-12-16
10:00
Yamaguchi Yamaguchi University Spectrum Efficiency of MIMO Spatial Multiplexing in a Multi-cell Distributed Antenna Network
Shinya Kumagai, Ryusuke Matsukawa, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-251
Multiple-input multiple-output (MIMO) spatial multiplexing can increase the transmission rate without bandwidth expansio... [more] RCS2011-251
pp.111-116
RCS 2007-06-29
15:25
Aichi Toyohashi Uni. of Tech. Spectrum efficiency of MIMO multiplexing in a cellular environment
Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) RCS2007-27
To increase the transmission rate without bandwidth expansion, multiple-input multiple-output (MIMO) technique has been ... [more] RCS2007-27
pp.97-102
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-07
13:20
Kanagawa YRP Downlink Performance Comparison between MC-CDMA and OFDMA Considering Sector Antennas
Shunsuke Kondo (Keio Univ.), Takashi Shono (Intel), Masao Nakagawa (Keio Univ.)
We have evaluated and compared between downlink MC-CDMA and OFDMA system that are two candidates of the next generation ... [more] WBS2006-50
pp.37-42
WBS 2006-12-14
15:05
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Comparison between MC-CDMA and OFDMA with Fractional Frequency Reuse in Downlink
Shunsuke Kondo (Keio Univ.), Takashi Shono (Intel), Masao Nakagawa (Keio Univ.)
Both OFDMA and MC-CDMA systems are two candidate of the downlink of the next generation mobile communication systems. Th... [more] WBS2006-41
pp.35-40
WBS 2006-10-26
14:20
Miyagi Akiu Resort Hotel Crescent (Sendai) Downlink Performance Comparison of OFDMA with MC-CDMA for Multi-Cell Environment
Shunsuke Kondo (Keio Univ.), Takashi Shono (Intel), Masao Nakagawa (Keio Univ.)
We evaluate and compare the performances of Multi-Carrier - Code Division Multiple Access (MC-CDMA) and Orthogonal Frequ... [more] WBS2006-26
pp.13-18
SR 2005-11-25
15:05
Okinawa Okinawa Wemen's Center A Study on Multi cells and Multi users MIMO Transmissionwith Whitening Filters at both Base and Mobile Stations
Manabu Mikami, Teruya Fujii (Japan Telecom)
MIMO (Multiple-Input Multiple-Output) transmission technologies which can increase the system capacity within the same f... [more] SR2005-62
pp.103-110
CQ, RCS
(Joint)
2005-04-22
16:00
Kyoto ATR Comparison of Throughput Performance between OFDM and DS-CDMA Radio Access in Downlink Broadband Channel for Multi-cell Environments
Teruo Kawamura, Yoshihisa Kishiyama, Yoshikazu Goto, Hiroyuki Atarashi, Mamoru Sawahashi (NTT DoCoMo)
This paper compares throughput performance between OFDM and DS-CDMA radio access in downlink broadband channel focusing ... [more] RCS2005-14
pp.43-48
RCS 2004-06-18
15:00
Miyagi Tohoku University Investigations on Packet Error Rate of Variable Spreading and Chip Repetition Factors (VSCRF)-CDMA Wireless Access in Reverse Link Multi-cell Environment
Yoshikazu Goto, Teruo Kawamura, Hiroyuki Atarashi, Mamoru Sawahashi (NTT DoCoMo)
This paper investigates the packet error rate (PER) performance of Variable Spreading and Chip Repetition Factors (VSCRF... [more] RCS2004-84
pp.49-54
 Results 1 - 13 of 13  /   
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