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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 146  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IT 2020-12-03
13:00
Online Online Approximate Message-Passing in Spatially Coupled Bilinear Inference Problems
Yudai Sano, Keigo Takeuchi (TUT) IT2020-52
This paper considers joint channel and data estimation in cell-free massive multiple-input multiple-output (MIMO)uplink.... [more] IT2020-52
pp.148-153
CQ, CS
(Joint)
2020-06-25
09:30
Online Online Study on behavior estimation using time correlation with MIMO sensor
Etsuko Hoshino, Kentaro Nishimori (Niigata Univ.) CQ2020-1
In recent years, the society is aging further. And the number of deaths that are lonely deaths have been increasing year... [more] CQ2020-1
pp.1-5
AP, WPT
(Joint)
2020-01-24
16:35
Kagawa Sunport Hall Takamatsu A study on Element Arrangement Optimization of Spatial Polarized Massive MIMO and the Effectiveness
Takahiro Matsumoto, Kiyoaki Itoi, Hiroaki Nakabayashi (CIT) AP2019-179
Currently, various studies of 5G have been studied for introduction in 2020. In 5G, massive MIMO technology has been stu... [more] AP2019-179
pp.159-164
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
SR 2019-12-05
16:40
Okinawa Ishigaki City Hall (Ishigaki Island) [Invited Talk] Review of Microwave Mobile Propagation Study in Urban Environment -- Measurement Campaign in Ishigaki City --
Jun-ichi Takada (Tokyo Tech) SR2019-99
In this talk, the author reviews the outcome of ``R & D of Elemental Technologies for Super High Bit-Rate Mobile Communi... [more] SR2019-99
pp.61-62
AP, RCS
(Joint)
2019-11-20
13:10
Saga Saga Univ. Signal detection using Approximate Message Passing with node selection in Massive MIMO System
Wakaba Tsujimoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2019-210
Approximate message passing (AMP), originally proposed in the field of compressed sensing, is applicable to detection of... [more] RCS2019-210
pp.43-47
MIKA
(2nd)
2019-10-04
10:15
Hokkaido Hokkaido Univ. [Poster Presentation] Study on Estimation of Human Behavior Pattern Using Chanel State Information and Machine Learning
Kaito Hashiba, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ), Naoki Honma (Iwate Univ)
The authors are studying sensing using Multiple Input Multiple Output (MIMO) technology. As a merit of the sensor using ... [more]
RCS, SAT
(Joint)
2019-08-22
13:05
Aichi Nagoya University [Invited Lecture] Channel Capacity Analysis of LEO MIMO System Considering the Satellite Attitude
Chihaya Kato, Mitsuhiro Nakadai (JAXA), Daisuke Goto, Hiroki Shibayama, Fumihiro Yamashita (NTT) SAT2019-24 RCS2019-153
With the improving sensor capabilities of Earth observation satellites and the introduction of the constellation service... [more] SAT2019-24 RCS2019-153
pp.39-44
RCS 2019-06-21
11:30
Okinawa Miyakojima Hirara Port Terminal Building Damping Factor Learning of BP Detection with Node Selection in Massive MIMO using Neural Network
Junta Tachibana, Tomoaki Ohtsuki (Keio Univ.) RCS2019-93
In a massive multiple-input multiple-output (MIMO) system, belief propagation (BP) detection is known as a method to sep... [more] RCS2019-93
pp.327-332
AP 2019-03-14
14:55
Fukushima Yunoya (Iizaka Onsen, Fukushima) [Tutorial Lecture] MIMO Channel Propagation Parameter Estimation by Array Signal Processing
Kentaro Saito, Jun-ichi Takada (Tokyo Tech.) AP2018-190
The user traffic in the mobile communication has significantly increased owing to the widespread of smartphones. Therefo... [more] AP2018-190
pp.23-28
IN, NS
(Joint)
2019-03-05
13:30
Okinawa Okinawa Convention Center A Study on Performance Evaluation of MIMO Channel with Multilevel Spreading Codes
Tatsuya Motoki, Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.) IN2018-135
To suppress the noise enhancement, a new spread spectrum communication system with Gold code had studied in our previous... [more] IN2018-135
pp.307-312
SANE, SAT
(Joint)
2019-02-13
13:30
Kagoshima Tanegashima Island Analysis of the MIMO channel for LEO Satellites
Chihaya Kato, Mitsuhiro Nakadai (JAXA), Daisuke Goto, Daiki Shibayama, Fumihiro Yamashita (NTT) SAT2018-60
In the Low Earth Orbital (LEO) Satellites, transmission data rate of the satellite communication is rapidly increasing t... [more] SAT2018-60
pp.17-22
SANE, SAT
(Joint)
2019-02-13
14:25
Kagoshima Tanegashima Island Experimental Verification of BS Antenna Configuration Mitigating Ground Reflection Fading on Airport Surface
Junichi Naganawa, Kazuyuki Morioka, Norihiko Miyazaki, Xiaodong Lu, Akiko Kohmura, Naruto Yonemoto, Yasuto Sumiya (ENRI) SANE2018-112
AeroMACS (Aeronautical Mobile Airport Communications System) is a wireless communication standard which provides high-sp... [more] SANE2018-112
pp.13-18
RCS, AP
(Joint)
2018-11-22
11:00
Okinawa Okinawa Industry Support Center Study of Deployment and Antenna Configuration of Transmission Point for 5G Ultra High-Density Distributed Antenna Systems
Teppei Oyama, Shinya Kumagai, Takashi Seyama (Fujitsu), Chiyoshi Akiyama (FLAB), Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (Fujitsu), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT docomo) RCS2018-207
We are promoting the ultra high-density distributed antenna systems toward the realization of high-capacity technologies... [more] RCS2018-207
pp.167-172
AP, SANE, SAT
(Joint)
2018-07-20
16:05
Hokkaido Hokkaido Univ. The propagation model for Massive MIMO at 20 GHz band.
Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Koshoro Kitao, Minoru Inomata, Tetsuro Imai (NTT DOCOMO) AP2018-65 SAT2018-26
Massive MIMO transmission, whose number of antennas at the base station (BS) is much larger than the number of user term... [more] AP2018-65 SAT2018-26
pp.137-142(AP), pp.89-94(SAT)
AP
(2nd)
2018-05-31
10:15
Overseas The University of Da nang, University of Science and Technology A Study of User Capacity for Massive MIMO in Urban Street Canyon Environment
Takuya Nitsu, Hiroaki Nakabayashi (Chiba Inst.Tech)
The purpose of this study is to indicate a user capacity for a massive MIMO using a block diagonalization (BD) method in... [more]
AP 2018-05-18
13:50
Kumamoto Kumamoto Univ. A study on correlated path shadowing model based on experimental data
Yusuke Kimura, Nobuaki Yanase, Yusuke Tamazawa, Tokio Taga (Kwansei Gakuin Univ.) AP2018-31
In the research of polarization MIMO antennas, various studies have been carried out in the assumption that there is no ... [more] AP2018-31
pp.99-104
RCS 2018-04-23
11:45
Yamaguchi Hotel New Tanaka, Yuda Onsen A Study on Iterative Channel Estimation with Non-Orthogonal Pilot Sequence in Large MIMO Detection
Takumi Takahashi, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2018-6
Based on the use of iterative channel estimation with non-orthogonal pilot sequence, we proposes a modified covariance m... [more] RCS2018-6
pp.31-36
WBS, IT, ISEC 2018-03-09
13:30
Tokyo Katsusika Campas, Tokyo University of Science Time-Space Jointly Path-Matched MC-CDM Wide Band Radio Modulation with TX and RX Array Antennas -- for High Performance Error-Control Coding --
Kohji Itoh, Akira Nakamura, Makoto Itami (TUS) IT2017-145 ISEC2017-133 WBS2017-126
Abstract The paper investigated the following 3 MIMO-OFDM systems adapted to the multi-path propagation model including... [more] IT2017-145 ISEC2017-133 WBS2017-126
pp.253-258
RCS, SR, SRW
(Joint)
2018-02-28
11:00
Kanagawa YRP On Investigation of Directional Channel Model for Large Spacing Array MIMO -- Eigenvalues Comparison of Measurement and Channel Synthesis --
Dwi Joko Suroso, Kentaro Saito, Jun-ichi Takada (TokyoTech) SRW2017-66
MIMO system gives benefit in terms of data rate and communication reliability. We investigate MIMO system in 11 GHz. Spe... [more] SRW2017-66
pp.1-6
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