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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 134  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CQ, MIKA
(Joint)
2021-09-09
14:40
Online Online [Invited Talk] Advancement of Multiuser Massive MIMO Null-Space Expansion
Kazuki Maruta (Tokyo Tech) CQ2021-46
Massive multiple-input multiple-output (MIMO) technology with base stations having more than a hundred antennas has been... [more] CQ2021-46
p.46
MW, AP
(Joint)
2021-09-10
11:10
Online Online Relationship between OAM Modes and MIMO Modes of Double Ring Circular Array
Hideaki Sugiura, Takuichi Hirano (TCU) MW2021-35
The MIMO eigenmodes generated from double ring circular array antennas was compared with Orbital Angular Momentum (OAM) ... [more] MW2021-35
pp.12-17
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
AP 2021-06-17
13:50
Online Online Prototype of Multi band orthogonal polarization and Angle MIMO antenna in cellular system
Masayuki Nakano, Yoshiaki Amano (KDDI Research, Inc) AP2021-21
We devised a small, low-profile multi-band MIMO antenna for cellular band such as indoor base
stations that supports m... [more]
AP2021-21
pp.13-18
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
AP 2021-03-26
10:35
Online Online MIMO Antenna Gain for Evaluating the Effective Performance of a Compact MIMO Radio and its Application to Antenna Design
Koichi Ogawa (Toyama Univ.) AP2020-135
This paper presents a new figure-of-merit, “MIMO antenna gain” (MAG), for evaluating the effective performance of a hand... [more] AP2020-135
pp.19-24
AP 2020-10-02
14:00
Okinawa 2 sub sites and online
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] Antenna Pattern Multiplexing for Receive Antennas with Massive Outputs and Reduced Cost
Masato Saito (Ryukyu Univ.) AP2020-72
We have been studied Antenna Pattern Multiplexing (APM) technique
suitable for receivers of Single-Input Multiple-Outp... [more]
AP2020-72
pp.23-28
MW, AP
(Joint)
2020-09-25
13:30
Online Online Miniaturization of a 256 × 256 Large-Scale MIMO Antenna
Koichi Ogawa (Toyama Univ.) AP2020-67
Previously, we have presented a 256 × 256 large-scale MIMO antenna that achieves an over-100 Gbps channel capacity over ... [more] AP2020-67
pp.162-167
ISEC, IT, WBS 2020-03-10
16:10
Hyogo University of Hyogo
(Cancelled but technical report was issued)
[Invited Talk] Development of Path Shadowing Number Model and Prediction of Transmission Capacity in a 5G's Small Cell
Tokio Taga (Kwansei Gakuin Univ.) IT2019-98 ISEC2019-94 WBS2019-47
The standardization and technology development of 5th generation (5G) mobile communication system have been completed an... [more] IT2019-98 ISEC2019-94 WBS2019-47
pp.59-64
AP, WPT
(Joint)
2020-01-24
17:00
Kagawa Sunport Hall Takamatsu A Study on Mean Antenna Gain of Massive MIMO in Line-of-Sight Street Canyon Environment
Yuya Tashiro, Eita Utsuki, Kazuki Machida, Hiroaki Nakabayashi (Chiba Inst. of Tech.) AP2019-180
In 5th generation mobile communication systems, massive MIMO has been studied as one of the elemental technologies to re... [more] AP2019-180
pp.165-170
IT, SIP, RCS 2020-01-23
09:25
Hiroshima Hiroshima City Youth Center Itrative Hard Dicision Decoding in a linear multilevel QAM Receiver for Overloaded MIMO
Takuya Fujiwara, Denno Satoshi, Hou Yafei (Okayama Univ) IT2019-36 SIP2019-49 RCS2019-266
This paper proposes iterative hard dicision decoding in a linear multilevel QAM reciever for overloaded MIMO. A serilal... [more] IT2019-36 SIP2019-49 RCS2019-266
pp.1-6
AP, SANE, SAT
(Joint)
2019-07-19
09:25
Miyagi Tohoku Univ. MIMO Antenna Array for GB-SAR
Anwer S. Abd El-Hameed, Yuya Akiyama, Motoyuki Sato (Tohoku Univ.) AP2019-39
This paper presents a design of microstrip Multi-Input Multi-Output (MIMO) antenna system working at 17.1 GHz for ground... [more] AP2019-39
pp.95-100
RCS, SR, SRW
(Joint)
2019-03-08
17:20
Kanagawa YRP Evaluation of Beam Control Technology for High SHF Wide-band Massive MIMO using Outdoor Radio Measurement Results
Daichi Uchino, Kazuaki Ishioka, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2018-334
Massive MIMO(Multiple-Input Multiple-Output) in 5th generation radio communication system offers high antenna gain and h... [more] RCS2018-334
pp.273-278
AP 2018-08-23
14:10
Saitama Nippon Inst. of Tech. Study on Decoupling for three closely placed monopole antenna elements
Hiroshi Sato, Kenshi Horihata (Panasonic), Nobuyuki Shiraki, Naoki Honma (Iwate University), Masaharu Takahashi (Chiba University), Yoshio Koyanagi (Panasonic) AP2018-73
In recent years, in wireless information terminals, MIMO technology using multiple antennas is used to stably communicat... [more] AP2018-73
pp.35-40
RCS 2018-06-20
15:00
Nagasaki Nagasaki University Relationship between Interference-Wave Suppression Using Null-Space Extension in Multiuser MIMO and formed Beam-Pattern
Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) RCS2018-43
Some papers reported that a zero-forcing (ZF) adaptive array antenna or
multi-user MIMO system at basestations can be r... [more]
RCS2018-43
pp.49-54
IN, RCS, NV
(Joint)
2018-05-10
10:25
Kanagawa Keio University Algorithm Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems -- Interference Coordination between Coordination Clusters Based on Common Beam Forming Switching --
Daisuke Jitsukawa, Takashi Seyama, Shinya Kumagai, Teppei Oyama, Takashi Dateki (Fujitsu), Koji Matsuyama (Fujitsu Laboratories), Hiroyuki Seki, Morihiko Minowa (Fujitsu) RCS2018-23
To improve system capacity of 5G mobile communication systems, coordinated MU-MIMO technology using ultra high-density d... [more] RCS2018-23
pp.7-12
CQ, CS
(Joint)
2018-04-19
14:50
Hiroshima Hiroshima Institute of Technology Effect of the Number of Transmitting and Receiving Antennas on Collaborative Interference Canceller with PAM-RoHR
Yudai Tanaka, Daisuke Umehara (Kyoto Inst. of Tech.) CS2018-1
Collaborative interference canceller (CIC) has been proposed to gain receiving antenna diversity by sharing received sig... [more] CS2018-1
pp.1-6
RCS, SR, SRW
(Joint)
2018-02-28
15:40
Kanagawa YRP Algorithm Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems -- Suppression of Interference between Closely-Located Coordination Clusters --
Daisuke Jitsukawa, Takashi Seyama, Shinya Kumagai, Teppei Oyama, Takashi Dateki (Fujitsu), Koji Matsuyama (Fujitsu Laboratories), Hiroyuki Seki, Morihiko Minowa (Fujitsu) RCS2017-338
To improve system capacity of 5G mobile communication systems, coordinated MU-MIMO technology using ultra high-density d... [more] RCS2017-338
pp.119-124
RCS, SR, SRW
(Joint)
2018-03-01
09:00
Kanagawa YRP Improving Semi-Blind Interference Suppression Performance on Multicell Massive MIMO Uplink by Beamspace Method
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2017-346
This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser ma... [more] RCS2017-346
pp.167-172
RCS, SR, SRW
(Joint)
2018-03-01
10:30
Kanagawa YRP Field Experimental Evaluation of MIMO Transmission Performance in Quad-directional UE Antenna Configuration for 5G Radio Access System
Yuta Takahashi, Yuki Inoue, Shohei Yoshioka, Yoshihisa Kishiyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO, INC.) RCS2017-350
This paper presents field experiments on the downlink performance of a 5G radio access system employing higher rank MIMO... [more] RCS2017-350
pp.191-196
 Results 1 - 20 of 134  /  [Next]  
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