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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 84  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2020-06-25
11:15
Online Online A Study on Loose Beam Forming Using Differential Evolution
Tatsuki Otsuka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) RCS2020-34
In multi-user massive MIMO systems, it is concerned that the computational load to form a weight increases drastically a... [more] RCS2020-34
pp.67-72
IT, SIP, RCS 2020-01-24
14:00
Hiroshima Hiroshima City Youth Center A Study on Joint User Clustering and Scheduling for Distributed MIMO Cooperative Wireless Access Network
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2019-79 SIP2019-92 RCS2019-309
Distributed MIMO cooperative wireless access network achieves a high link capacity uniformly over the base station area ... [more] IT2019-79 SIP2019-92 RCS2019-309
pp.255-260
AP, RCS
(Joint)
2019-11-22
09:25
Saga Saga Univ. Simple Throughput Evaluation Method of Massive MIMO with Linear Pre-coding Algorithm for LTE Based Signals
Yuki Yaku, Kentaro Nishimori (Niigata Univ.), Hidehiko Tobe (iDAQS) AP2019-130
Massive MIMO has been attracted attention as a key technology in 5th generation mobile communication system (5G), becaus... [more] AP2019-130
pp.127-132
RCS 2019-06-20
11:30
Okinawa Miyakojima Hirara Port Terminal Building User Allocation with Round-Robin Scheduling Sequence for Distributed Antenna System
Go Otsuru, Yukitoshi Sanada (Keio Univ.) RCS2019-74
One of key technologies in the fifth generation mobile communications is a distributed antenna system (DAS). In the DAS ... [more] RCS2019-74
pp.227-232
RCS 2019-06-21
16:25
Okinawa Miyakojima Hirara Port Terminal Building Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems -- Verification of coordinated radio resource scheduling algorithm in up to 32 multi-stream transmission --
Takaharu Kobayashi, Shinya Kumagai, Masafumi Tsutsui, Chiyoshi Akiyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (Fujitsu), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (DOCOMO) RCS2019-99
In 5G mobile communication systems, an effective high-capacity technology is expected by using high-density small cells.... [more] RCS2019-99
pp.365-370
RCS, SR, SRW
(Joint)
2019-03-08
13:45
Kanagawa YRP Distributed MIMO Cooperative Transmission Technique and Its Performance
Fumiyuki Adachi, Amnart Boonkajay, Tomoyuki Saito, Yuta Seki (Tohoku Univ.) RCS2018-326
This paper presents a comprehensive introduction of the distributed MIMO cooperative transmission technique which has be... [more] RCS2018-326
pp.225-230
RCS, SIP, IT 2019-02-01
12:05
Osaka Osaka University Precoder Designs for Downlink GSM-MIMO with K Transmit Antenna Groups
Yuwen Cao, Tomoaki Ohtsuki (Keio Univ.) IT2018-59 SIP2018-89 RCS2018-266
In this report, we investigate the precoder designs for the downlink generalized spatial modulation (GSM) in multiple-in... [more] IT2018-59 SIP2018-89 RCS2018-266
pp.139-144
AP
(2nd)
2018-12-06
15:35
Kagoshima Amami-city AiAi Hiroba Experimental evaluation of mode selection method suitable for dual circular polarized OAM transmission
Kazunori Yuri, Naoki Honma (Iwate Univ.)
The authors have proposed a mode selection method to improve the achievable rate of an analog orbital angular momentum (... [more]
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-12
10:55
Hokkaido Hakodate Arena [Poster Presentation] A study on efficient Antenna selection based on Spatial Correlation for Adaptive Array Antenna
Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44
In general, the number of interference signals which can be suppressed by an adaptive array antenna is determined by the... [more] RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44
pp.111-117(RCC), pp.117-123(NS), pp.129-135(RCS), pp.121-127(SR), pp.127-133(ASN)
RCS 2018-06-21
11:10
Nagasaki Nagasaki University Evaluation of Loose Beamforming with a Genetic Algorithm in a Multiuser Massive MIMO System
Shunta Nakamura, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2018-52
In the 5th generation mobile communication system, implementation of a large-scale multiple-input
multiple-output syste... [more]
RCS2018-52
pp.101-106
AP 2018-05-18
15:25
Kumamoto Kumamoto Univ. A Study of Interference Suppression Performance using Antenna Selection of Mobile Terminal for Full-duplex MIMO System
Nobuyasu Takemura (Nippon Institute of Tech.), Naoki Honma, Atsuto Kawagoe, Yuta Kahino (Iwate Univ.) AP2018-34
In this paper, we proposed a method of interference suppression between mobile terminals using antenna selection method ... [more] AP2018-34
pp.117-122
CS, CAS 2018-03-13
16:20
Fukuoka Nishijin Plaza, Kyushu University Stabilized Interference Suppression by Initial Antenna Selection for CMA/MMA Adaptive Array over Fading Channel
Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) CAS2017-160 CS2017-114
This paper proposes an initial antenna selection for constant modulus-based blind interference suppression algorithms to... [more] CAS2017-160 CS2017-114
pp.151-155
RCS, SR, SRW
(Joint)
2018-02-28
09:20
Kanagawa YRP Spatial Correlation-based Antenna Selection for Adaptive Array Antenna
Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UoO) RCS2017-326
Suppressing interference using an adaptive array antenna, the number of antenna elements determines the number of interf... [more] RCS2017-326
pp.51-56
ICD, CPSY, CAS 2017-12-14
15:10
Okinawa Art Hotel Ishigakijima Design method of inverted F antenna using Genetic Algorithm
Takuya Yamaguchi, Shiro Dosho, Noboru Ishihara, Hiroyuki Ito (Tokyo Tech), Hiroyuki Nakamoto (Fujitsu Labo), Kazuya Masu (Tokyo Tech) CAS2017-99 ICD2017-87 CPSY2017-96
This paper presents a new topology exploration and an optimization method for inverted "F" antenna. Conventional tiling ... [more] CAS2017-99 ICD2017-87 CPSY2017-96
p.143
RCS, SAT
(Joint)
2017-08-17
10:50
Niigata Niigata Univ. Evaluation on Uplink MU-MIMO with Distributed Array with Multiple versus One Switches
Sho Yoshida, Soichi Ito, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT) RCS2017-147
Multiuser MIMO (MU-MIMO) techniques provide the high frequency efficiency. However, it is known that the frequency effic... [more] RCS2017-147
pp.25-30
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University [Poster Presentation] Performance evaluation on uplink MU-MIMO selecting distributed antennas with wideband signals
Soichi Ito, Sho Yoshida, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT)
Uplink MU-MIMO techniques achieve the high frequency efficiency. However, it is known that the frequency efficiency depe... [more]
RCS 2017-04-25
16:10
Kagawa Kotohira Onsen Kotosankaku Loose beamforming by antenna selection in a multi -user massive MIMO system
Koichi Inoue, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2017-29
A study for multi-user massive MIMO systems has been done as one of the key technologies of the fifth generation mobile ... [more] RCS2017-29
pp.155-159
AP 2017-04-21
15:25
Osaka Osaka university Performance evaluation on uplink MU-MIMO selecting distributed antennas with wideband signals
Soichi Ito, Sho Yoshida, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT) AP2017-20
Multiuser MIMO (MU-MIMO) techniques achieve high frequency efficiency. However, there is a possibility that the transmi... [more] AP2017-20
pp.101-106
AP 2016-12-08
14:15
Tokyo Kikai-Shinko-Kaikan Bldg. Research on Antenna Mounted on Gas Smart Meter
Kazuki Horiguchi, Qiang Chen (Tohoku Univ.), Sota Tsuchiya, Takuya Kawata (Tokyo Gas) AP2016-128
In gas smart meter for collective housing, there is a problem of propagation loss caused in the metal box called "pipe s... [more] AP2016-128
pp.29-32
CQ 2016-08-30
14:30
Ibaraki Tsukubasan Downlink MU-MIMO using Terminal-Decided Receive Antenna Selection
Tomoki Murakami, Yasushi Takatori, Masato Mizoguchi (NTT), Fumiaki Maehara (Waseda Univ.) CQ2016-68
Massive multiple input multiple output (MIMO) transmission using a large scale of antennas at base station (BS) has been... [more] CQ2016-68
pp.105-110
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