Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, RCS (Joint) |
2023-11-16 09:30 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Relaying achieving high-capacity and low-latency data transmission in millimeter wave bands (*) Masahiro Takigawa, Ryochi Kataoka, Issei Kanno, Yoji Kishi (KDDI Research) |
[more] |
|
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Processing Time for Low Latency and High Capacity Relay Technology in Millimeter Wave Bands Ryochi Kataoka, Masahiro Takigawa, Takeshi Oomori, Takeo Ohseki, Taishi Watanabe, Issei Kanno (KDDI Research) |
[more] |
|
RCS |
2023-06-15 17:55 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on AP Antenna Configuration for Cell-Free Massive MIMO with Hybrid Beamforming in the Upper-mid Band. Shunsuke Kamiwatari, Masaaki Ito, Issei Kanno (KDDI Research, Inc.) RCS2023-64 |
Cell-Free massive multi-input multi-output (CF mMIMO) is a candidate foundation for the sixth-generation (6G). In additi... [more] |
RCS2023-64 pp.212-217 |
RCS, SR, SRW (Joint) |
2023-03-03 16:40 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Study on Analog Beam Selection and Digital Beam Design for Millimeter-wave Cell-Free Massive MIMO Shunsuke Kamiwatari, Issei Kanno, Yoshiaki Amano (KDDI Research), Kengo Ando, Shuto Fukue, Koji Ishibashi (UEC) RCS2022-297 |
Cell-Free Massive MIMO (CF mMIMO) has gained much attention as one of potential technologies for Beyond 5G (B5G) whereas... [more] |
RCS2022-297 pp.261-266 |
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 |
AP |
2022-08-19 14:25 |
Tochigi |
Tochigi Prefecture Industrial Center (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Research and development of cell-free massive MIMO towards beyond 5G Issei Kanno (KDDI Research) AP2022-70 |
Cell-free massive MIMO (CFmMIMO) has been attracting much attention as an elemental technology for Beyond 5G. CFmMIMO is... [more] |
AP2022-70 pp.35-40 |
RCS |
2022-06-15 09:55 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Millimeter Wave Cell Free massive MIMO for Realistic Deployment Environment Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-25 |
Cell-free massive MIMO (CF mMIMO) is a candidate elemental technology for Beyond 5G. In this paper, we report the result... [more] |
RCS2022-25 pp.7-12 |
RCS, NS (Joint) |
2021-12-16 14:25 |
Nara |
Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research activities for realizing Cell Free massive MIMO Issei Kanno, Masaaki Ito, Noboru Osawa, Shunsuke Kamiwatari, Kosuke Yamazaki, Shinji Nimura, Kazuki Tanaka, Ryo Inohara (KDDI Research Inc.) NS2021-98 RCS2021-181 |
[more] |
NS2021-98 RCS2021-181 p.13(NS), p.35(RCS) |
RCS |
2021-10-21 10:25 |
Online |
Online |
Performance Evaluation of Scalable Cell-Free Massive MIMO Systems with Multiple CPUs Subject to Backhaul Capacity Limitation Masaaki Ito, Issei Kanno, Kosuke Yamazaki (KDDI Research), Kengo Ando, Shuto Fukue (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-119 |
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems have attracted attention worldwide, being considered... [more] |
RCS2021-119 pp.7-12 |
MIKA (3rd) |
2020-10-09 10:15 |
Niigata |
(Primary: On-site, Secondary: Online) |
Evaluation report of Interference Mitigation Method for Dynamic Spectrum Sharing Ryochi Kataoka, Issei Kanno, Naoto Tsumachi (KDDI Research), Toshinori Suzuki (KDDI Research/Tohoku Gakuin Univ.), Hiroyasu Ishikawa (KDDI Research/Nihon Univ.), Kosuke Yamazaki, Yoji Kishi (KDDI Research) |
Mobile communication traffic is increasing yearly due to the spread of mobile broadband services, and the demand will fu... [more] |
|
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 |
RISING (2nd) |
2019-11-27 13:55 |
Tokyo |
Fukutake Learning Theater, Hongo Campus, Univ. Tokyo |
[Poster Presentation]
[MIKA/RISING Collaboration]The study of interference mitigation method for dynamic spectrum sharing Ryochi Kataoka, Issei Kanno (KDDI Research), Toshinori Suzuki (KDDI Research/Tohoku Gakuin Univ.), Hiroyasu Ishikawa (KDDI Research/Nihon Univ.), Kosuke Yamazaki, Yoji Kishi (KDDI Research) |
[more] |
|
RCS |
2019-10-24 16:15 |
Kanagawa |
Yokosuka Research Park |
[Invited Lecture]
The study of interference mitigation method for dynamic spectrum sharing between different systems Ryochi Kataoka, Issei Kanno (KDDI Research), Toshinori Suzuki (KDDI Research/Tohoku Gakuin Univ.), Hiroyasu Ishikawa (KDDI Research/Nihon Univ.), Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2019-190 |
[more] |
RCS2019-190 p.69 |
MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
The study of interference mitigation method for dynamic spectrum sharing Ryochi Kataoka, Issei Kanno (KDDI Research), Toshinori Suzuki (KDDI Research/Tohoku Gakuin Univ.), Hiroyasu Ishikawa (KDDI Research/Nihon Univ.), Kosuke Yamazaki, Yoji Kishi (KDDI Research) |
[more] |
|
RCS |
2017-10-19 13:15 |
Miyagi |
Tohoku Institute of Technology |
[Invited Lecture]
Proof of Concept for 5G wideband transmission in 28GHz band Issei Kanno, Masaya Shibayama, Kazuya Moriwaki, Masahito Umehara, Yasuhiro Suegara (KDDI Research) RCS2017-177 |
[more] |
RCS2017-177 pp.51-56 |
SAT |
2016-10-13 10:45 |
Overseas |
Incheon Univ. Songdo R104, Auditorium & Performing Place |
au HAKUTO Moon Challenge
-- Enhancement of radio communication between rover and lander -- Kosuke Yamazaki, Hiroaki Honma, Issei Kanno, Masayuki Nakano (KDDI Labs), Toshio Shimizu, Toshiki Tanaka (ispace) SAT2016-53 |
[more] |
SAT2016-53 pp.15-18 |
RCS, SR, SRW (Joint) |
2015-03-04 09:00 |
Tokyo |
Tokyo Institute of Technology |
Evaluation of Flexible Hybrid Multicarrier Transmission System for 5G Mobile Network Rohit Datta, Issei Kanno, Masayuki Ariyoshi (ATR) SR2014-111 |
[more] |
SR2014-111 pp.1-5 |
RCS, SR, SRW (Joint) |
2015-03-05 11:15 |
Tokyo |
Tokyo Institute of Technology |
Transmission Evaluation utilizing Antenna Prototype for Tablet Devices supporting Wideband Non-Contiguous OFDM Technology Kenshi Horihata, Kazuhiro Kosaka, Issei Kanno, Keiji Takakusaki, Hiroyuki Shinbo (ATR) SR2014-130 |
We are studying the Wideband Non-Contiguous OFDM (WNC-OFDM) to utilize an unused frequency band in lower frequency bands... [more] |
SR2014-130 pp.115-120 |
SR |
2015-01-30 10:05 |
Hokkaido |
KKR Hakodate |
Experimental Evaluation of Azimuth Variable Path Loss Fitting Kenshi Horihata, Issei Kanno, Akio Hasegawa (ATR), Toshiyuki Maeyama (ATR/Takushoku Univ.), Yoshio Takeuchi (ATR) SR2014-104 |
We have proposed the framework of white space boundary estimation with a smaller number of sensing points. The framework... [more] |
SR2014-104 pp.63-68 |
SR |
2015-01-30 10:40 |
Hokkaido |
KKR Hakodate |
Adaptive Subcarrier Bandwidth for 5G GFDM Transmission Rohit Datta, Issei Kanno, Masayuki Ariyoshi (ATR) SR2014-105 |
Generalized frequency division multiplexing (GFDM) is a recent flexible waveform which is a candidate for future 5G comm... [more] |
SR2014-105 pp.69-73 |