Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas |
EPU, Hanoi |
A Proposal for Millimeter-wave Distributed Antenna System Using Optical Fiber Link with 2-bit Band-pass Delta Sigma Modulation Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) |
In order to reduce the cost and size of the radio unit in the millimeter wave distributed antenna system for 5G terrestr... [more] |
|
AP, RCS (Joint) |
2023-11-16 11:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Fast Beam Search for Distributed Antenna Systems in High Frequency Bands Shuki Wai, Takuto Arai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) AP2023-143 RCS2023-166 |
In order to further increase the capacity of wireless communications, attention is focused on the combination of high-fr... [more] |
AP2023-143 RCS2023-166 pp.67-72(AP), pp.71-76(RCS) |
IT, RCS, SIP |
2023-01-24 15:55 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems Kento Nishimura, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ) IT2022-43 SIP2022-94 RCS2022-222 |
Distributed MIMO systems, which have been considered in recent years, use a very large number of base station antennas, ... [more] |
IT2022-43 SIP2022-94 RCS2022-222 pp.78-83 |
RCS |
2022-10-27 12:30 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research Activities for Deploying Cell-Free Massive MIMO Systems Masaaki Ito (KDDI Research/USC), Shunsuke Kamiwatari, Noboru Osawa, Issei Kanno, Yoshiaki Amano (KDDI Research) RCS2022-132 |
In cell-free massive MIMO systems, a massive number of distributed antennas cooperate with each other and communicate wi... [more] |
RCS2022-132 p.25 |
SAT, RCS (Joint) |
2022-08-25 11:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Channel Segregation and Multi-Subband Assignment for Inter-Cell Interference Coordination in Ultra-dense RAN Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2022-100 |
Ultra-high-density radio access network (RAN) with many distributed antennas in a base station area (cell) are considere... [more] |
RCS2022-100 pp.18-23 |
RCS, SR, SRW (Joint) |
2022-03-02 15:20 |
Online |
Online |
Cellular Distributed MU-MIMO Communication System
-- Architecture Design and Interference Countermeasure -- Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Chang Ge, Qiang Chen (Tohoku U.) RCS2021-269 |
In ultra-dense mobile radio communication systems, severe co-channel interference is produced by reusing the same radio ... [more] |
RCS2021-269 pp.96-101 |
RCS, SIP, IT |
2022-01-21 13:30 |
Online |
Online |
Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2021-77 SIP2021-85 RCS2021-245 |
In order to solve an interference problem in multi-user MIMO (MU-MIMO) systems using distributed antennas, the authors h... [more] |
IT2021-77 SIP2021-85 RCS2021-245 pp.276-281 |
AP, RCS (Joint) |
2021-11-11 09:55 |
Nagasaki |
NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
On Power Allocation Strategy for Realistic Cellular Structured Cluster-wise Distributed MU-MIMO System Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2021-157 |
With the demanding of higher capacity and higher data rate services in 5G-advanced systems, distributed multi-user multi... [more] |
RCS2021-157 pp.75-79 |
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 09:25 |
Online |
Online |
On Cellular Structure for Ultra-dense Distributed Antenna-based 5G-advanced Systems Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2021-78 |
Compared with the traditional cellular structure based on centralized antennas, the distributed antenna-based cellular s... [more] |
RCS2021-78 pp.7-12 |
NS, RCS (Joint) |
2020-12-18 13:25 |
Online |
Online |
[Invited Lecture]
Distributed Antenna Systemes using High-Frequency-Band targeting 6G Wireless Networks Daisei Uchida, Tatsuhiko Iwakuni, Naoki Kita, Takeshi Onizawa (NTT), Yoshihisa Kishiyama, Satoshi Suyama, Satoshi Nagata, Takahiro Asai (docomo) NS2020-101 RCS2020-148 |
High-Speed and broadband network transformation is needed for multi-points collecting sensing data and distributing movi... [more] |
NS2020-101 RCS2020-148 pp.73-78 |
IN, RCS, NV (Joint) |
2020-05-21 10:50 |
Online |
Online |
A study of Inter-Cell Interference Coordination for Ultra-dense RAN in 5G Advanced Systems Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2020-12 |
Ultra-dense radio access network (RAN) consisting of a large number of distributed antennas can improve the coverage and... [more] |
RCS2020-12 pp.13-18 |
RCS, SR, SRW (Joint) |
2020-03-04 10:00 |
Tokyo |
Tokyo Institute of Technology (Cancelled but technical report was issued) |
Joint Multilayered User Clustering and Scheduling for Ultra-dense RAN in 5G Advanced Systems Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2019-323 |
Ultra-dense radio access network (RAN) consisting of a large number of distributed antennas can improve the coverage and... [more] |
RCS2019-323 pp.19-24 |
RCS, SR, SRW (Joint) |
2020-03-06 09:20 |
Tokyo |
Tokyo Institute of Technology (Cancelled but technical report was issued) |
A Performance Evaluation on Effects of Propagation Delay Difference in a Base-Station-Cooperative System Masaaki Ito, Issei Kanno, Takeo Ohseki, Kosuke Yamazaki (KDDI Research) RCS2019-384 |
Cell-free massive MIMO is paid attention to for the post-5G (or 6G) cellular system. It is expected to increase user dat... [more] |
RCS2019-384 pp.329-334 |
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 10:30 |
Kanagawa |
YRP |
5G R&D Activities for High Capacity Technologies with Ultra High-Density Multi-Band and Multi-Access Layered Cells Morihiko Minowa, Hiroyuki Seki (Fujitsu), Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Jun Terada, Satoshi Shigematsu, Yasushi Takatori (NTT), Hiroaki Asano (Panasonic), Yukio Hirano (Mitsubishi Electric), Yasushi Yamao (UEC), Fumiyuki Adachi, Masataka Nakazawa (Tohoku Univ.) RCS2018-323 |
In this paper, we make a summary report of our 5G R&D activities for “High Capacity Technologies with Ultra High-Density... [more] |
RCS2018-323 pp.207-212 |
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 |
RCS, AP (Joint) |
2018-11-22 11:20 |
Okinawa |
Okinawa Industry Support Center |
Hardware Accelerator for Coordinated Radio-Resource Scheduling in 5G Ultra-high-density Distributed Antenna Systems Yuki Arikawa, Takeshi Sakamoto, Shunji Kimura, Satoshi Shigematsu (NTT) RCS2018-208 |
This paper presents a novel radio-resource scheduler with a hardware accelerator for coordinated scheduling in 5G ultra-... [more] |
RCS2018-208 pp.173-178 |
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 |
SAT, RCS (Joint) |
2018-08-09 09:05 |
Iwate |
Iwate University |
[Encouragement Talk]
Highly available base station configuration technique for satellite communication systems Yoshinori Suzuki, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT) SAT2018-28 |
Base stations for island satellite communication systems and disaster recovery satellite communication systems generally... [more] |
SAT2018-28 pp.1-6 |
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 |