Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, NS (Joint) |
2018-12-21 16:10 |
Hiroshima |
Onomichi City Hall (Hiroshima) |
A Study on Power Allocation in Downlink Non-Orthogonal Multiple Access using Transmission Simulation Ryu Kitagawa, Fumio Takahata (Waseda Univ.) RCS2018-240 |
The non-orthogonal multiple access (NOMA) would be one of key technologies in the 5-th generation mobile communications ... [more] |
RCS2018-240 pp.125-130 |
CS, CAS |
2018-03-13 15:30 |
Fukuoka |
Nishijin Plaza, Kyushu University (Fukuoka) |
On Reduction of Calculation Complexity of Polar Codes over Fading Channels Masaaki Ito, Fumio Takahata (Waseda Univ.) CAS2017-158 CS2017-112 |
Algorithms for improving performances of polar codes over fading channels have been proposed, but it seems to be a probl... [more] |
CAS2017-158 CS2017-112 pp.139-144 |
CS, CAS |
2018-03-13 15:55 |
Fukuoka |
Nishijin Plaza, Kyushu University (Fukuoka) |
A Channel State Information Feedback Scheme for Multi-user MIMO using Guard Band Frequency Response extrapolated by Adaptive Filter Futoshi Fukuda, Fumio Takahata (Waseda Univ.) CAS2017-159 CS2017-113 |
Several compression schemes of channel state information (CSI) for the downlink multi-user MIMO are proposed, in which a... [more] |
CAS2017-159 CS2017-113 pp.145-150 |
RCS, IT, SIP |
2016-01-18 10:10 |
Osaka |
Kwansei Gakuin Univ. Osaka Umeda Campus (Osaka) |
Optimization of VP's in Downlink MU-MIMO NLP based on LR-THP Kazuki Imamura, Fumio Takahata (Waseda Univ.) IT2015-53 SIP2015-67 RCS2015-285 |
[more] |
IT2015-53 SIP2015-67 RCS2015-285 pp.31-36 |
RCS, IT, SIP |
2016-01-19 11:25 |
Osaka |
Kwansei Gakuin Univ. Osaka Umeda Campus (Osaka) |
Performance Evaluation of An Adaptive Allocation Method of Scattered Pilots for Fading Variation Takuro Yokoyama, Fumio Takahata (Waseda Univ.) IT2015-87 SIP2015-101 RCS2015-319 |
We propose an adaptive scattered pilot allocation method, in which the allocation is determined based on metric values o... [more] |
IT2015-87 SIP2015-101 RCS2015-319 pp.213-218 |
RCS, SR, SRW (Joint) |
2014-03-05 10:55 |
Tokyo |
Waseda Univ. (Tokyo) |
An Adaptive Dual-mode DFCE with Scattered Pilots for Fading Condition Sho Sumitani, Fumio Takahata (Waseda Univ.) RCS2013-378 |
In an application of a dual-mode decision feedback channel estimation to a COFDM transmission with scattered pilot symbo... [more] |
RCS2013-378 pp.437-442 |
RCS, SR, SRW (Joint) |
2014-03-05 16:10 |
Tokyo |
Waseda Univ. (Tokyo) |
An application of Multiple Sphere Encoding to Downlink MU-MIMO VP Shunsuke Sasaki, Fumio Takahata (Waseda Univ.) RCS2013-390 |
This paper proposes the computational complexity reduction technique for the Downlink Multi-User Multiple Input Multiple... [more] |
RCS2013-390 pp.505-510 |
RCS, SR, SRW (Joint) |
2013-02-27 09:20 |
Tokyo |
Waseda Univ. (Tokyo) |
On MMSE receive antenna combining for downlink THP MU-MIMO Hirotoshi Takahashi (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Minoru Kubota (Sharp Corp.), Fumiaki Maehara, Fumio Takahata (Waseda Univ.) RCS2012-285 |
This paper proposes an MMSE receive antenna combining suitable for THP MU-MIMO, and shows that it can provide a better t... [more] |
RCS2012-285 pp.7-12 |
RCS, SR, SRW (Joint) |
2013-02-27 10:50 |
Tokyo |
Waseda Univ. (Tokyo) |
A study of perturbation vector search for downlink MU-MIMO using Vector Perturbation Masato Takada (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Minoru Kubota (Sharp), Fumiaki Maehara, Fumio Takahata (Waseda Univ.) RCS2012-289 |
This paper proposes the computational complexity reduction technique for the downlink(DL) Multi-User Multiple Input Mult... [more] |
RCS2012-289 pp.31-36 |
CS, SIP, CAS |
2011-03-03 13:50 |
Okinawa |
Ohhamanobumoto memorial hall (Ishigaki)( (Okinawa) |
On Channel Estimation and Compensation in DFTS-OFDM using Scattered Pilot Akihiko Sato, Fumio Takahata (Waseda Univ.) CAS2010-113 SIP2010-129 CS2010-83 |
Scattered pilots (SP) would be effective for the estimation and compensation of fast fading propagation paths. This pap... [more] |
CAS2010-113 SIP2010-129 CS2010-83 pp.67-72 |
CS, SIP, CAS |
2011-03-04 10:00 |
Okinawa |
Ohhamanobumoto memorial hall (Ishigaki)( (Okinawa) |
A Signal Detection Scheme using Log Likelihood Ratio in MIMO-OFDM-SDM System Ryota Takahashi, Fumio Takahata (Waseda Univ.) CAS2010-145 SIP2010-161 CS2010-115 |
A MIMO-OFDM-SDM system, which provides good transmission quality irrespective of various conditions of propagation chann... [more] |
CAS2010-145 SIP2010-161 CS2010-115 pp.251-256 |
CS, SIP, CAS |
2011-03-04 10:20 |
Okinawa |
Ohhamanobumoto memorial hall (Ishigaki)( (Okinawa) |
A Dual-mode Channel Estimation Scheme using Log Likehood Ratio for COFDM Transmission Koushin Suzuki, Fumio Takahata (Waseda Univ.) CAS2010-146 SIP2010-162 CS2010-116 |
Decision feedback channel estimation (DFCE) is one of the promising channel estimation schemes for OFDM transmission und... [more] |
CAS2010-146 SIP2010-162 CS2010-116 pp.257-261 |
CS, SIP, CAS |
2011-03-04 12:10 |
Okinawa |
Ohhamanobumoto memorial hall (Ishigaki)( (Okinawa) |
An Effect of Application of Sequential Channel Estimation to LDPC Decoding Yu Sudou, Fumio Takahata (Waseda Univ) CAS2010-151 SIP2010-167 CS2010-121 |
In the decoding process of LDPC code, an accuracy of LLRs (Log Likelihood Ratio) affects strongly to BER (Bit Error Rate... [more] |
CAS2010-151 SIP2010-167 CS2010-121 pp.287-292 |
WBS, IT, ISEC |
2009-03-10 09:25 |
Hokkaido |
Hakodate Mirai Univ. (Hokkaido) |
A BER floor suppression scheme of OFDM system with Overlap-FDE Tetsuya Kobori, Fumio Takahata (Waseda Univ) IT2008-115 ISEC2008-173 WBS2008-128 |
An overlap-FDE has a capability of eliminating a guard interval(GI) in OFDM transmission. However it is possible in mult... [more] |
IT2008-115 ISEC2008-173 WBS2008-128 pp.469-474 |
WBS, IT, ISEC |
2009-03-10 11:40 |
Hokkaido |
Hakodate Mirai Univ. (Hokkaido) |
Proposal of MIMO-SDM System considering Correlation of Channels Tatsuhiko Yoshihara, Masayuki Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.), Takashi Onodera (Sharp Corp.) IT2008-120 ISEC2008-178 WBS2008-133 |
A MIMO-OFDM-SDM system, which provides good transmission quality irrespective of various condition of propagation channe... [more] |
IT2008-120 ISEC2008-178 WBS2008-133 pp.501-506 |
RCS |
2007-06-29 11:20 |
Aichi |
Toyohashi Uni. of Tech. (Aichi) |
A Study of Metric Calculation in Co-Channel Interference Environment Akinori Taira, Mieko Kanmuri, Fumiaki Maehara, Fumio Takahata (Waseda Univ) RCS2007-21 |
Spectral efficiency improvement is demanded for next generation mobile
communication systems. Smaller cell design or fr... [more] |
RCS2007-21 pp.61-66 |
RCS, SIP (Joint) |
2006-01-26 10:00 |
Fukuoka |
Kyusyu Univ. (Fukuoka) |
Application of time domain transmit power allocation employing TDD-based simple channel prediction to OFDM systems Yuji Kamiya, Haruhito Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.) |
The transmission performance of the pilot assisted orthogonal frequency division multiplexing (OFDM) system is deteriora... [more] |
RCS2005-125 pp.7-12 |
RCS, SIP (Joint) |
2006-01-26 10:40 |
Fukuoka |
Kyusyu Univ. (Fukuoka) |
A Study on Frequency-domain Channel Estimation Scheme Employing RLS Algorithm for OFDM Transmission in the Presence of Guard Band Yuji Ikeda, Haruhito Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.) |
[more] |
RCS2005-126 pp.13-18 |
RCS, SIP (Joint) |
2006-01-26 11:00 |
Fukuoka |
Kyusyu Univ. (Fukuoka) |
A Study on Adaptive Control of Forgetting Factor for Decision Feedback Channel Estimation in COFDM Transmission Haruhito Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.) |
Decision feedback channel estimation is one of the promising channel estimation schemes for orthogonal frequency divisio... [more] |
RCS2005-127 pp.19-24 |
RCS, SIP (Joint) |
2006-01-26 13:00 |
Fukuoka |
Kyusyu Univ. (Fukuoka) |
Effect of forward error correction on STTD-SC-FDE employing periodicspectrum Tasuku Kuriyama, Haruhito Yoshida, Fumiaki Maehara, Fumio Takahata (Waseda Univ.) |
In recent years, single-carrier modulation with frequency domain equalization (SC-FDE) has received a lot of interest be... [more] |
RCS2005-150 pp.155-160 |