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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 85  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IN, RCS
(Joint)
2014-05-15
10:30
Tokyo Kikai-Shinko-Kaikan Bldg. Performance of Outer-Loop Control of MCS Selection Based on Block Error in Each Resource Block for OFDM-MIMO SDM
Yasuhiro Kuge (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-19
This paper presents performance of outer-loop control for selecting modulation and coding scheme (MCS) based on mutual i... [more] RCS2014-19
pp.1-6
IN, RCS
(Joint)
2014-05-15
10:55
Tokyo Kikai-Shinko-Kaikan Bldg. CSI Reference Signal Multiplexing Using Carrier Frequency Swapping for FDD High-Order MIMO SDM
Mamoru Sawahashi (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO) RCS2014-20
This paper proposes channel state information - reference signal (CSI-RS) multiplexing employing carrier frequency swapp... [more] RCS2014-20
pp.7-12
RCS 2014-04-18
11:20
Aichi Nagoya Institute of Technology Performance of Decision-Feedback Channel Estimation Using SFBC for TDM Based Control Signals in OFDMA Downlink
Shinya Hirayama (Tokyo City Univ.), Kazuaki Takeda, Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-12
This paper presents the average block error rate (BLER) performance of time division multiplexing (TDM) based control si... [more] RCS2014-12
pp.61-66
RCS, SIP 2014-01-24
09:20
Fukuoka Kyushu Univ. Comparative Study of OFDMA and SC-FDMA Using Turbo SIC for MIMO SDM with 8 Transmit/Receive Antennas
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura, Hidekazu Taoka (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) SIP2013-111 RCS2013-281
This paper presents comparative study of orthogonal frequency division multiple access (OFDMA) and single-carrier (SC)-F... [more] SIP2013-111 RCS2013-281
pp.151-156
RCS, SIP 2014-01-24
10:45
Fukuoka Kyushu Univ. Basic BLER Study of Faster-than-Nyquist for OFDM/OQAM in Multipath Fading Channel
Shuhei Hoshiba (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) SIP2013-117 RCS2013-287
This paper investigates basic average block error rate (BLER) performance of Faster-than-Nyquist (FTN) using turbo soft ... [more] SIP2013-117 RCS2013-287
pp.187-192
RCS, NS
(Joint)
2013-12-18
17:10
Kagawa Sunport Hall Takamatsu Comparative Study of SC-FDMA and OFDMA Using Turbo SIC Considering Soft-Symbol Estimate for MIMO SDM
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura, Hidekazu Taoka (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-218
This paper presents comparative study of orthogonal frequency division multiple access (OFDMA) and single-carrier (SC)-F... [more] RCS2013-218
pp.71-76
RCS, AP
(Joint)
2013-11-20
14:25
Shimane Matsue Terrsa Investigations on Constellation of Star QAM Schemes Considering Cubic Metric for DFT-Precoded OFDMA
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-177
We have shown that the constellation with the same signal points at all concentric rings decreases the required average ... [more] RCS2013-177
pp.19-24
RCS, AP
(Joint)
2013-11-20
14:50
Shimane Matsue Terrsa Effects of MCS Selection Error due to RTT and Channel Estimation Error for Signal Detection for OFDM-MIMO Multiplexing with AMC
Bing Han (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-178
This paper presents effects of modulation and coding scheme (MCS) selection error due to round trip delay time (RTT) and... [more] RCS2013-178
pp.25-30
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
RCS, AP
(Joint)
2013-11-21
14:40
Shimane Matsue Terrsa [Invited Lecture] Field Experimental Evaluations of Smart Vertical MIMO in LTE-Advanced Downlink
Yuki Inoue, Daiki Takeda, Keisuke Saito, Teruo Kawamura, Hidehiro Andoh (NTT DOCOMO, INC.) AP2013-113 RCS2013-191
This paper presents field experimental results on a base station (BS) antenna configuration associated with the fading c... [more] AP2013-113 RCS2013-191
pp.79-84(AP), pp.103-108(RCS)
RCS 2013-10-17
13:20
Tokyo Sophia Univ. Field Experiments on Downlink CoMP Coherent Joint Transmission Using Remote Radio Heads in LTE-Advanced
Keisuke Saito, Teruo Kawamura, Hidehiro Andoh (NTT DOCOMO) RCS2013-150
This paper presents experimental results on coordinated multipoint (CoMP) coherent joint transmission (JT) using remote ... [more] RCS2013-150
pp.49-54
RCS 2013-10-18
10:55
Tokyo Sophia Univ. Performance of Turbo FDE Using Two-Dimensional LMMSE Based Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Nobuhiko Miki (Kagawa Univ.), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-161
This paper presents the average block error rate (BLER) performance for linear minimum mean-square error (LMMSE) based i... [more] RCS2013-161
pp.109-114
RCS 2013-06-20
16:40
Hokkaido Hokkaido Univ. Throughput Performance of Joint MCS Selection Using Turbo SIC Signal Detection for OFDM-MIMO Multiplexing
Bing Han (Tokyo City Univ.), Teppei Ebihara (Ericsson Japan K.K), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-56
This paper presents throughput performances of joint modulation and coding scheme (MCS) selection using turbo soft inter... [more] RCS2013-56
pp.115-120
RCS 2013-06-20
17:00
Hokkaido Hokkaido Univ. Performance of Star 16/64QAM Schemes Using Turbo FDE with Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Nobuhiko Miki (Kagawa Univ.), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-57
This paper presents average block error rate (BLER) performance of star 16/64QAM schemes using turbo frequency domain eq... [more] RCS2013-57
pp.121-126
RCS, IN
(Joint)
2013-05-17
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Investigation on Upper Bound of Throughput Performance Using Adaptive Modulation and Coding for MIMO-OFDM
Ken Karasawa, Teppei Ebihara (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-32
This paper proposes an upper bound of throughput considering physical layer techniques using adaptive modulation and cod... [more] RCS2013-32
pp.55-60
RCS, IN
(Joint)
2013-05-17
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. Performance of Decision-Feedback Channel Estimation Using Two-Dimensional MMSE Algorithm for TDM Based Control Signals in OFDMA Downlink
Shunsuke Okaniwa (Tokyo City Univ.), Nobuhiko Miki, Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-33
We have proposed decision-feedback channel estimation (DFCE) methods using soft-symbol estimation of control signals for... [more] RCS2013-33
pp.61-66
RCS, SR, SRW
(Joint)
2013-02-27
13:00
Tokyo Waseda Univ. BLER Performance of Turbo Frequency Domain Equalizer Using Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA
Yoshikazu Tanaka (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2012-315
This paper investigates the average block error rate (BLER) performance of turbo frequency domain equalizer (FDE) using ... [more] RCS2012-315
pp.189-194
RCS, SR, SRW
(Joint)
2013-02-27
13:20
Tokyo Waseda Univ. Performance Comparisons of Distributed and Localized Transmissions with Frequency Domain Scheduling Using Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA
Keita Miwa (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2012-316
This paper compares average block error rate (BLER) performance of resource block (RB) based distributed transmission wi... [more] RCS2012-316
pp.195-200
RCS, SR, SRW
(Joint)
2013-02-27
13:40
Tokyo Waseda Univ. BLER Performance of Star 16QAM Using Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2012-317
This paper presents the average block error rate (BLER) performance of the star 16QAM scheme using iterative decision-di... [more] RCS2012-317
pp.201-206
RCS, SR, SRW
(Joint)
2013-02-27
14:00
Tokyo Waseda Univ. Performance Evaluation of Codebook Based Transmit Diversity Using Adaptive Antenna Selection for DFT-Precoded OFDMA
Hideyuki Numata (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ.) RCS2012-318
This paper investigates the average block error rate (BLER) performance of codebook based transmit diversity using adapt... [more] RCS2012-318
pp.207-212
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