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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 138  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2023-06-14
10:10
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
A Study on performance improvement of uplink multi user radio encypted MIMO transmission scheme using accurate probability calculation
Seiya Yamashita, Yuki Mori, Ryo Tozawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2023-32
Multi-user MIMO (MU-MIMO) is known as an effective multiple access method, and we have previously proposed a multi-user ... [more] RCS2023-32
pp.25-30
RCS, AP, UWT
(Joint)
2022-11-15
10:20
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A Study on Performance Improvement of Uplink Multi-User Chaos MIMO Transmission Scheme
Kenta Kato, Keisuke Asano, Takumi Abe, Yuki Mori, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2022-157
Internet of things (IoT) terminals have spread rapidly in recent years, and multi-user multiple-input multiple-output (M... [more] RCS2022-157
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
SIP, IT, RCS 2021-01-21
14:00
Online Online A Study of Pilot Assignment Optimization Based on Statistical Beam Selection for Large Multi-User MIMO
Yuichi Ochi, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2020-78 SIP2020-56 RCS2020-169
We propose a novel pilot assignment optimization scheme based on statistical beam selection for significant pilot overhe... [more] IT2020-78 SIP2020-56 RCS2020-169
pp.87-92
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
RCS, SR, SRW
(Joint)
2020-03-04
11:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
A Study on new modulation technology for Beyond 5G Research on MARIA method (1) -- mMIMO innovation, Beamforming multi-user/multi-function network and proposal of its protocol --
Maria Takigawa (Meiji Univ.), Gen-ichiro Ohta (YRP) RCS2019-326
We proposed a new function that solves the problem of beamforming function, which is the main function of 5G, and create... [more] RCS2019-326
pp.37-42
RCS, SR, SRW
(Joint)
2020-03-04
09:00
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
On Capacity of Massive MIMO in Maltiuser Operation [III] -- A Simple Calculation Scheme of Channel Capacity in SMST Transmission --
Yoshio Karasawa RCS2019-331
In our previous report [1], we focused on the channel capability of Massive MIMO and investigated the relationship among... [more] RCS2019-331
pp.57-62
IT, SIP, RCS 2020-01-24
16:40
Hiroshima Hiroshima City Youth Center On Capacity of Massive MIMO in Multiuser Operation [II] -- In the case of LOS environments --
Yoshio Karasawa IT2019-85 SIP2019-98 RCS2019-315
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship among var... [more] IT2019-85 SIP2019-98 RCS2019-315
pp.291-296
AP 2019-12-12
13:15
Tokyo Kikai-Shinko-Kaikan Bldg. On Capacity of Massive MIMO in Multiuser Operation
Yoshio Karasawa AP2019-142
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship with the ... [more] AP2019-142
pp.1-6
AP, RCS
(Joint)
2019-11-20
11:20
Saga Saga Univ. [Encouragement Talk] Low-Complexity User Selection Algorithm for High SHF-Band Multiuser Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2019-205
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] RCS2019-205
pp.13-18
CS 2019-11-01
09:20
Kagoshima Kirishima-Hotel Mobile Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands
Hidekazu Murata (Kyoto Univ.) CS2019-66
Mobile terminal collaborated multiple-input multiple-output (MIMO) reception is a form of distributed MIMO transmission,... [more] CS2019-66
pp.21-26
RCS, SAT
(Joint)
2019-08-23
11:20
Aichi Nagoya University A Study on Theoretical System Capacity of Multi-user MIMO-OFDM THP in the Presence of Terminal Mobility
Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2019-165
This report investigates the theoretical system capacity of multi-user multiple-input multiple-output orthogonal frequen... [more] RCS2019-165
pp.103-107
RCS 2019-06-19
11:30
Okinawa Miyakojima Hirara Port Terminal Building A study on performance improvment of uplink massive chaos MIMO transmission scheme
Tomoki Kaga, Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2019-48
In the fifth generation mobile communications system (5G), massive multiple input multiple output (MIMO) technique has b... [more] RCS2019-48
pp.67-72
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
WPT, AP
(Joint)
2019-01-18
10:10
Aichi Toyota Automobile Museum Performance Analysis and Improvement of Block MSN Algorithm in Multi-user MIMO System
Nobuyoshi Kikuma, Kousuke Yonezu, Kunio Sakakibara (Nagoya Inst. of Tech.) AP2018-158
As a method of implementing MU-MIMO (Multi-User Multiple Input and Multiple Output) downlink, Block Diagonalization (BD)... [more] AP2018-158
pp.39-44
SRW 2019-01-15
14:50
Kanagawa Mitsubishi Electric (Oofuna) [Invited Talk] IEEE 802.11ax Next-Generation Wireless LAN Standard and Development of Wireless LSI Compliant with Draft Specifications
Toshihisa Nabetani (Toshiba) SRW2018-53
With the advent of high throughput wireless LAN (WLAN) devices compliant with the IEEE 802.11ac standard, WLAN has becom... [more] SRW2018-53
pp.43-48
RCS, AP
(Joint)
2018-11-22
15:30
Okinawa Okinawa Industry Support Center Low Complexity User Selection Algorithm for High SHF Band Multi-User Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satosi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-214
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] RCS2018-214
pp.205-210
RCS 2018-10-19
13:30
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] Experimental Activities for 5G Ultra High-Density Distributed Antenna Systems using Real-time Transmission System
Takashi Seyama, Teppei Oyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU) RCS2018-171
Mobile data traffic is rapidly increasing along with the popularization of smartphone. In order to accommodate the mobil... [more] RCS2018-171
p.113
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