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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 112  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2023-10-20
15:15
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Application of Joint Transmit-Receive Diversity to A Cellular Distributed MU-MIMO System
Ryo Takahashi (PSNRD), Hidenori Matsuo (Panasonic Holdings), Fumiyuki Adachi (Tohoku Univ.) RCS2023-148
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] RCS2023-148
pp.90-95
RCS, AP, UWT
(Joint)
2022-11-16
09:30
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A behavior of user-driven multiuser joint transmit-receive diversity in an asymmetric MIMO fading channel
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-163
In this paper, we study user-driven multi-user JTRD. In user-driven multi-user JTRD, each user terminal (UE) determines ... [more] RCS2022-163
pp.49-54
SAT, RCS
(Joint)
2022-08-25
12:05
Hokkaido
(Primary: On-site, Secondary: Online)
A study on user-driven suboptimal joint transmit-receive diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-102
In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its divers... [more] RCS2022-102
pp.30-35
AP, RCS
(Joint)
2021-11-11
11:45
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A recursive solution of joint transmit-receive diversity weight vectors
Fumiyuki Adachi, Ryo Takahashi (Tohoku U.) RCS2021-161
Optimal joint transmit-receive diversity (JTRD) is a type of multi-input multi-output (MIMO) spatial diversity technique... [more] RCS2021-161
pp.98-103
RCS 2021-10-21
14:50
Online Online [Invited Talk] Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-126
In this paper, joint transmit-receiver diversity (JTRD) is presented, which jointly perform transmit diversity and recei... [more] RCS2021-126
pp.49-54
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-14
09:50
Online Online A Study on The Effect of Correlated Fading on Joint Transmit-receive Diversity and MIMO Spatial Multiplexing
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-79
Joint transmit-receive diversity (JTRD) is one of diversity techniques to mitigate the degradation of communication qual... [more] RCS2021-79
pp.13-18
RCS 2021-06-25
14:00
Online Online A Theoretical Study on Suboptimal Joint Transmit-Receive Diversity In Correlated Rayleigh Fading Channels
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-73
Joint transmit-receive diversity (JTRD) jointly optimizes transmitter and receiver diversity weight vectors to maximize ... [more] RCS2021-73
pp.255-260
RCS 2021-04-22
11:20
Online Online A Study on Impact of User-side Fading Correlation on Multi-user Joint Transmit/Receive Diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-3
Multi-user joint transmit/receive diversity (JTRD) is able to perform multiuser multiplexing while achieving spatial div... [more] RCS2021-3
pp.11-16
SIP, IT, RCS 2021-01-22
16:45
Online Online Theoretical Study of User-wise Joint Transmit-receive Diversity for Multi-user MIMO Communication
Fumiyuki Adachi, Ryou Takahashi (Tohoku Univ.) IT2020-100 SIP2020-78 RCS2020-191
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] IT2020-100 SIP2020-78 RCS2020-191
pp.206-211
RCS 2020-10-22
11:25
Online Online Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] RCS2020-96
pp.24-29
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-08
14:15
Online Online Zero-forcing based Multi-user MIMO Coordinated with User-wise Joint Transmit-receive Diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-65
Multi-user MIMO multiplexing coordinated with spatial diversity is a promising technique to improve the transmission qua... [more] RCS2020-65
pp.43-48
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-12
14:15
Osaka I-Site Nanba(Osaka) A Narrowband Pilot-less Coherent Detection for FSK with Transmit Diversity
Kanako Yamaguchi, Masatsugu Higashinaka, Sano Hiroyasu, Atsushi Okamura (Mitsubishi Electric Corp.), Takeo Ohgane, Toshihiko Nishimura (Hokkaido Univ.) RCS2019-144
We propose a narrowband pilot-less coherent detection for FSK(Frequency Shift Keying) with phase rotated transmit divers... [more] RCS2019-144
pp.211-216
RCS 2018-10-18
09:20
Tokyo Kikai-Shinko-Kaikan Bldg. Physical Cell ID Detection Probability Using Synchronization Signals for NR Radio Interface
Kyogo Ohta, Aya Shimura, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2018-151
This paper presents physical-layer cell identity (PCID) detection probability using precoding vector switching (PVS) tra... [more] RCS2018-151
pp.7-12
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-12
10:20
Hokkaido Hakodate Arena On Selective MIMO Diversity for Mobile Radio
Fumiyuki Adachi, Amnart Boonkajay (Tohoku Univ.) RCS2018-93
Multi-input multi-output (MIMO) diversity is an effective technique to improve the transmission performance in a frequen... [more] RCS2018-93
pp.81-86
RCS, SR, SRW
(Joint)
2018-03-02
13:50
Kanagawa YRP Physical Cell ID Detection Time Performance Using NPSS and NSSS for NB-IoT
Aya Shimura, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Yoshihisa Kishiyama (NTT DOCOMO) RCS2017-396
This paper presents physical cell ID (PCID) detection time performance using narrowband primary synchronization signal (... [more] RCS2017-396
pp.429-434
MICT 2018-01-26
10:30
Osaka National Cerebral and Cardiovascular Center [Encouragement Talk] A Study on Diversity Communication Method and Antenna Design in Medical and Healthcare BAN
Yuto Shimizu (NICT), Daisuke Anzai (NIT), Tomoaki Nagaoka, Soichi Watanabe (NICT), Jianqing Wang (NIT) MICT2017-45
Body area networks (BAN) are categorized into two groups which are implant BAN and wearable BAN. In this study, we tried... [more] MICT2017-45
pp.21-26
SIP, IT, RCS 2018-01-22
13:05
Kagawa Sunport Hall Takamatsu Physical Cell ID Detection Performance Applying Frequency Hopping Reception to NPSS and NSSS for NB-IoT
Aya Shimura, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Yoshihisa Kishiyama (NTT DOCOMO) IT2017-63 SIP2017-71 RCS2017-277
This paper proposes frequency hopping (FH) reception for narrowband primary synchronization signal (NPSS) and narrowband... [more] IT2017-63 SIP2017-71 RCS2017-277
pp.49-54
RCS 2017-10-20
09:40
Miyagi Tohoku Institute of Technology Experiment of Relative Space Mapping Modulation in Railway Environment
Satoshi Sasaki (Mitsubishi Electric), Nagateru Iwasawa, Kunihiro Kawasaki (RTRI), Shinji Masuda, Hiroyasu Sano, Atsushi Okamura (Mitsubishi Electric) RCS2017-188
Wireless communication for train control systems is required to increase a data transmission rate in order to improve th... [more] RCS2017-188
pp.113-118
RCS, SAT
(Joint)
2017-08-18
13:00
Niigata Niigata Univ. Effects of Time and Space Diversity on Physical Cell ID Detection for NB-IoT
Aya Shimura, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Yoshihisa Kishiyama (NTT DOCOMO) RCS2017-164
This paper presents the comprehensive effects of time and space diversity including precoding vector switching (PVS) tra... [more] RCS2017-164
pp.111-116
RCS, IN, NV
(Joint)
2017-05-11
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. Cell ID Detection Probability of Frequency Domain PVS Transmit Diversity for Frequency Offset for NB-IoT Radio Interface
Aya Shimura, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO) RCS2017-38
This paper proposes a frequency offset estimation and compensation method for narrowband synchronization signals using f... [more] RCS2017-38
pp.47-52
 Results 1 - 20 of 112  /  [Next]  
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