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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 22  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2022-10-28
09:25
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users
Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] RCS2022-142
pp.65-70
RCS, AP, UWT
(Joint)
2020-11-25
10:15
Online Online A Study on Joint Channel and Data Estimation via Belief Propagation for Correlated Large MIMO Systems
Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-111
We propose a novel joint channel and data estimation (JCDE) scheme for correlated large multi-user multi-input multi-out... [more] RCS2020-111
pp.7-12
RCS, AP, UWT
(Joint)
2020-11-25
11:20
Online Online Investigation of Preamble Design Appropriate for Random Access Achieving Multi-Packet Reception
Kou Watanuki, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-113
Random access for multi-packet reception is considered to be an promising technology component for the 5th generation mo... [more] RCS2020-113
pp.17-23
RCS 2020-06-24
15:45
Online Online Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access
Yuto Muroki (Tokyo Univ. of Science), Yoshihisa KIshiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-29
This paper proposes a transmission/reception protocol that combines our previously reported interleaver-linked receiver ... [more] RCS2020-29
pp.37-42
RCS 2019-06-19
10:30
Okinawa Miyakojima Hirara Port Terminal Building A Fundamental Study on Channel Estimation Using Deep Learning
Ryota Nakajima, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2019-43
In wireless communication, channel estimation is essential to detect transmitted signals from received signals. At prese... [more] RCS2019-43
pp.37-42
RCS 2019-06-20
10:10
Okinawa Miyakojima Hirara Port Terminal Building Performance Evaluation of IDMA-based Random Access Considering User Detection and Channel Estimation
Taiki Tomizawa (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-67
This paper evaluates the performance of the interleave division multiple access (IDMA)-based random access in order to s... [more] RCS2019-67
pp.181-187
RCS, SR, SRW
(Joint)
2019-03-08
14:35
Kanagawa YRP Improvement of Convergence Characteristics in Repeating Weighted Boosting Search Algorithm for Channel Estimation
Yuri Taniguchi, Yukitoshi Sanada (Keio Univ.) RCS2018-337
The fifth generation mobile communications systems (5G) has been under standardization and is expected to be launched in... [more] RCS2018-337
pp.291-296
SAT, RCS
(Joint)
2016-08-18
10:20
Miyagi Tohoku Gakuin University Joint Estimation Schemes of Channel Impulse Responses and Noises Using M Sequences for Underwater Acoustic Channels
Souichiro Morita, Akinobu Murayama, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-131
This paper proposes a joint estimation scheme of time-varying channel impulse responses (CIR) and noises using M sequenc... [more] RCS2016-131
pp.13-18
SRW 2016-06-13
15:00
Kanagawa NICT Wireless Network Research Institute (NICT) Performance Evaluation of an Overhead-Reduced Channel Estimation Sequences for mmWave Short-Range MIMO
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SRW2016-30
A promising solution to the need for higher rates in wireless data transmission is millimeter-wave (mmWave) short-range ... [more] SRW2016-30
pp.27-32
SR, SRW
(Joint)
2016-05-16
14:30
Overseas Hotel Lasaretti, Oulu, Finland [Poster Presentation] A Study of Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SR2016-6 SRW2016-6
Recently wireless data transmission using millimeter-wave has drawn much attention due to its wider bandwidth. To fully ... [more] SR2016-6 SRW2016-6
pp.21-22
RCS, CCS, SR, SRW
(Joint)
2016-03-02
11:15
Tokyo Tokyo Institute of Technology An Overhead-Reducing Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SRW2015-75
The number of necessary channel estimation sequences (CES) slots linearly increase as the number of transmission antenna... [more] SRW2015-75
pp.29-34
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-31
15:50
Nagano JA Naganoken Bldg. Evaluation of Subcarrier-Selected Short Preamble for OFDM Wireless Control Systems
Theerat Sakdejayont, Chun-Hao Liao, Hiroyuki Morikawa (Univ. of Tokyo) RCS2015-130
In wireless control systems where payloads are small, preambles are considered as significant overheads. In order to red... [more] RCS2015-130
pp.175-180
RCS, SR, SRW
(Joint)
2015-03-04
09:00
Tokyo Tokyo Institute of Technology A Study on Estimation of Amplifier Nonlinearity for Adjacent Channel Interference Cancellation in Millimeter Wave Communication Systems
Noboru Osawa, Shinsuke Ibi, Kei Sakaguchi, Seiichi Sampei (Osaka Univ.) RCS2014-308
This paper proposes an estimation method of amplifier nonlinearity for adjacent channel interference (ACI) cancellation ... [more] RCS2014-308
pp.41-46
RCS, SR, SRW
(Joint)
2014-03-05
14:00
Tokyo Waseda Univ. A Pilot Contamination Averse Closed-Loop Scheme for TDD-Based Massive MIMO Systems
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2013-384
TDD-based Massive MIMO systems rely on channel reciprocity assumption (i.e. that the downlink channel matrix can be infe... [more] RCS2013-384
pp.469-474
IN, RCS
(Joint)
2010-04-27
15:45
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Improvement of DDCE for IFDMA with Phase Rotation
Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki, Masao Nakagawa (Keio Univ.) RCS2010-17
Single-carrier frequency-division multiple-access (SC-FDMA), which can multiplex multiple users orthogonally by allocati... [more] RCS2010-17
pp.97-102
RCS, SIP 2010-01-21
10:40
Fukuoka Kyushu Univ. Minimum BER-based Precoding and MLD with Spatial Filters for MIMO-OFDM Systems under Co-Channel Interference -- Channel Estimation Employing Zadoff-Chu Sequence --
Hideya So, Kazuhiko Fukawa, Satoshi Suyama, Hiroshi Suzuki (Tokyo Inst. of Tech.) SIP2009-76 RCS2009-210
This report investigates a channel estimation method employing Zadoff-Chu sequences as preambles for a MIMO-OFDM mobile ... [more] SIP2009-76 RCS2009-210
pp.19-24
SIP, WBS 2008-07-25
13:25
Hiroshima Hiroshima Univ. Statistical-Mechanics-Based Approach to Joint Channel Estimation and Multiuser Detection in DS-CDMA Channels
Keigo Takeuchi (Kyoto Univ.), Mikko Vehkaperae (NTNU), Toshiyuki Tanaka (Kyoto Univ.), Ralf R. Mueller (NTNU) SIP2008-84 WBS2008-22
We consider multiuser detection in a randomly-spread frequency-selective block-fading DS-CDMA channel with imperfect CSI... [more] SIP2008-84 WBS2008-22
pp.43-48
RCS, AN, MoNA, SR, WBS
(Joint)
2008-03-07
09:00
Kanagawa YRP Channel estimation method for MIMO antenna selection system exploiting temporal correlation of the channel
Yousuke Naruse, Jun-ichi Takada (Tokyo Institute of Technology) RCS2007-231
We propose an enhanced channel estimation method for MIMO antenna selection
systems which expolits the nature of tempor... [more]
RCS2007-231
pp.269-274
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-09
09:40
Kanagawa YRP Digital Satellite Broadcasting Reception on a Moving Vehicle -- Estimation of Channel with Memory and Error Correction --
Masatoshi Hamada (Graduate Univ. of Advanced Studies), Shiro Ikeda (Institute of Statistical Mathematics) RCS2006-270
This article proposes a new method to improve the reception of the
digital satellite broadcasting on a moving vehicle. ... [more]
RCS2006-270
pp.143-146
RCS 2006-06-23
11:20
Aichi Nagoya Inst. Tech. BER Performance of Clipped and Filtered OFDM/TDM with Pilot-assisted Channel Estimation
Haris Gacanin, Fumiyuki Adachi (Tohoku Univ.) RCS2006-48
Orthogonal frequency division multiplexing combined with time division multiplexing (OFDM/TDM) was proposed to overcome ... [more] RCS2006-48
pp.77-82
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