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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 28  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2019-06-21
11:00
Okinawa Miyakojima Hirara Port Terminal Building Low-Complexity MMSE Channel Estimation in Massive MU-MIMO System
Yunfeng Deng, Tomoaki Ohtsuki (Keio Univ.) RCS2019-90
In massive multi-user MIMO (MU-MIMO) systems,
the base station (BS) requires accurate channel state information
(CSI).... [more]
RCS2019-90
pp.309-314
IT, SIP, RCS 2017-01-20
11:15
Osaka Osaka City Univ. Performance of L1 regularized channel estimation techniques using information criteria
Yasuhiro Takano (Kobe Univ.) IT2016-85 SIP2016-123 RCS2016-275
Most $ell1$ regularized channel estimation techniques assume that degree of sparsity (DoS) is known. The variance of cha... [more] IT2016-85 SIP2016-123 RCS2016-275
pp.227-230
SAT, RCS
(Joint)
2016-08-19
13:55
Miyagi Tohoku Gakuin University Performance comparison of SSB-DFTs-OFDM and DFTs-OFDM for ultra multi-level modulation in frequency-selective fading
Hirokazu Fusayasu, Tomoya Suzuki, Masahiro Umehira (Ibaraki Univ.), Junichi Abe (NTT) RCS2016-145
We have been proposing SSB-DFTs-OFDM (Single Side Band DFT spreading OFDM) scheme for ultra-multi-level modulation to ac... [more] RCS2016-145
pp.89-94
RCS 2014-10-17
16:15
Kanagawa Keio Univ. Performance of Downlink Control Information Signals Using Decision-Feedback Channel Estimation for EPDCCH
Shinya Hirayama (Tokyo City Univ.), Kazuaki Takeda, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-191
In Release (Rel.) 11 Long Term Evolution (LTE)-Advanced radio interface, Enhanced Physical Downlink Control Channel (EPD... [more] RCS2014-191
pp.195-200
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 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, 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
SR, RCS, SRW
(Joint)
2012-03-09
09:50
Kanagawa YRP Effect of Gaussian Channel Estimation Error on IBI Cancellation and Circular Property Loss Restoration for Broadband DS-CDMA Combining FDE Without CP Insertion
Min Zheng, Wei Peng, Fumiyuki Adachi (Tohoku Univ.) RCS2011-345
In DS-CDMA uplink transmission without guard interval (GI), the block detection suffered from inter block interference (... [more] RCS2011-345
pp.175-180
AP, RCS
(Joint)
2010-11-12
14:30
Fukui Fukui Univ. A Two-Dimensional Channel Estimation Method Using Parameter Table Selection for Scattered Pilot-Aided OFDM Systems
Kenichiro Tanaka, Akinori Ohashi, Akinori Nakajima, Hiroshi Hattori, Akihiro Okazaki, Hiroshi Kubo (Mitsubishi Electric) RCS2010-156
In MIMO-OFDM systems using M-ary QAM, precise channel estimates are required to demodulate received signals correctly. I... [more] RCS2010-156
pp.87-92
RCS, AN, MoNA, SR
(Joint)
2010-03-05
14:30
Kanagawa YRP Performance Evaluation of FDE using a Tri-diagonalizing Approach
Keisuke Saito, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2009-333
Frequency-domain equalization (FDE) and frequency-domain turbo equalization (FDTE) based on iterative decoding have been... [more] RCS2009-333
pp.443-448
ITS, WBS
(Joint)
2009-12-08
11:15
Kumamoto Kumamoto University DFT Domain Decision Feedback MMSE Receiver with Antenna Array for SC/FDMA Communication System
Masaki Fukumoto (Hosei Univ.), Tsuyoshi Ichikawa (Tokyo Metro. Police Info-Com. Dep.), Kohei Otake (Hosei Univ.) WBS2009-37
SC/FDMA communication systems are developing for uplink transmissions in the LTE(Long Term Evolution) of cellular system... [more] WBS2009-37
pp.7-12
CS 2009-11-05
09:25
Hokkaido Hokkaido Shikotsuko Recursive Adaptive Receivers with Antenna Aray for SC-FDMA Communications
Naoya Furukawa, Kohei Otake (Hosei Univ.) CS2009-43
The Single-carrier FDMA(SC-FDMA) communication has received much attention for uplink mobile communication systems since... [more] CS2009-43
pp.7-12
RCS 2009-06-25
14:40
Aichi Nagoya University A study on FFT-based channel estimation in single carrier-frequency domain equalization
Daiji Motokawa, Eiji Okamoto, Yasunori Iwanami (Nagoya Inst. of Tech.) RCS2009-31
A frequency domain equalization for multipath fading is widely used for OFDM (orthogonal frequency division multiplexing... [more] RCS2009-31
pp.21-26
WBS, IT, ISEC 2009-03-09
10:15
Hokkaido Hakodate Mirai Univ. Reduced-Rank MMSE Signal Detection for MC/CDMA Communication Systems
Akihiko Furuya, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.) IT2008-71 ISEC2008-129 WBS2008-84
The MC/CDMA communication system has received much attention as one of the most promising systems for the future high-sp... [more] IT2008-71 ISEC2008-129 WBS2008-84
pp.173-178
RCS, SIP 2008-01-24
12:50
Hiroshima Hiroshima City Uni. RLS-based Channel Estimation for DS-CDMA Frequency-domain Equalization
Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) SIP2007-142 RCS2007-145
Since the frequency spectrum of the pilot chip sequence is not constant, the channel estimation accuracy degrades. Recen... [more] SIP2007-142 RCS2007-145
pp.67-72
RCS, SIP 2008-01-24
13:15
Hiroshima Hiroshima City Uni. Performance of Multicode DS-CDMA MIMO multiplexing with Iterative FDI2C and 2D MMSE-FDE using CDP-CE
Takafumi Fujimori, Kazuki Takeda, Akinori Nakajima, Fumiyuki Adachi (Tohoku Univ.) SIP2007-143 RCS2007-146
In multiple-input multiple-output (MIMO) multiplexing, a superposition of data blocks transmitted from different transmi... [more] SIP2007-143 RCS2007-146
pp.73-78
RCS, SIP 2008-01-25
09:00
Hiroshima Hiroshima City Uni. MMSE channel estimation utilizing the conjugate gradient method
Shigenori Kinjo (JCGA) SIP2007-162 RCS2007-165
In this report, we propose a new scheme in order to implement an MMSE channel estimator for OFDM systems.We know that th... [more] SIP2007-162 RCS2007-165
pp.27-32
RCS 2007-06-29
10:30
Aichi Toyohashi Uni. of Tech. 2-Step Maximum Likelihood Channel Estimation for DS-CDMA Frequency-domain Equalization
Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2007-19
In this paper, we propose a new channel estimation scheme for direct sequence code division multiple access (DS-CDMA) wi... [more] RCS2007-19
pp.49-54
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-07
14:20
Kanagawa YRP *
Taku Nakayama, Takeshi Toda, Fangwei Tong, Shigeru Kimura (Kyocera) RCS2006-246
Mobile WiMAX (IEEE802.16e) uses OFDM/TDMA for its air interface and flexibly assigns radio resource in frequency/time do... [more] RCS2006-246
pp.45-48
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-08
09:20
Kanagawa YRP An adaptive FIR filter array in MMSE criterion
Kohei Kotera, Hiroshi Furukawa (Kyushu Univ.) RCS2006-256
It is known that the left inverse matrix to a circulant delay spread SISO channel represented in Toeplitze matrix exhibi... [more] RCS2006-256
pp.87-90
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