| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2022-03-04 15:20 |
Online | Online | Evaluation of the optimal position of relay station equipped with frequency converter in high frequency band Masahiro Takigawa, Ryochi Kataoka, Takeo Ohseki, Taishi Watanabe, Kosuke Yamazaki, Yoji Kishi (KDDI Research)  RCS2021-291 |
In order to realize the integration of physical and cyber space (CPS: Cyber-Physical System), real-time, high-speed and ... [more] | RCS2021-291 pp.195-200 |
| RCS, SR, SRW (Joint) |
2022-03-04 16:25 |
Online | Online | Behavioral Modeling of RF Power Amplifiers using Binary Neural Network Taishi Watanabe, Takeo Ohseki, Kosuke Yamazaki (KDDI Research) RCS2021-293 |
With the increase in bandwidth in mobile communication systems, the effect of performance degradation due to nonlinear d... [more] | RCS2021-293 pp.207-211 |
| 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) |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
The Basic Study of Low Latency Relaying Method for Uplink in the High Frequency Band Ryochi Kataoka, Takeo Ohseki, Taishi Watanabe, Kosuke Yamazaki, Yoji Kishi (KDDI Research) |
[more] | |
| 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 |
| SAT | 2021-10-07 14:20 |
Online | Online | PROPOSAL FOR A USER-CENTRIC RAN ARCHITECTURE TOWARDS BEYOND 5G Kosuke Yamazaki, Takeo Ohseki, Yoshiaki Amano, Takahide Murakami, Hiroyuki Shinbo, Yoji Kishi (KDDI Research, Inc.) SAT2021-43 |
In this paper, we present a novel RAN architecture for Beyond 5G called “user-centric (UC) RAN architecture,” which prov... [more] | SAT2021-43 pp.4-10 |
| RCS | 2021-06-24 13:10 |
Online | Online | A Study on Gaussian Belief Propagation Detector for High-Dimensional OTFS Modulation Yuya Ito, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.), Noboru Osawa, Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2021-54 |
This paper proposes a demodulation (detection) scheme via Gaussian belief propagation (GaBP) for orthogonal time frequen... [more] | RCS2021-54 pp.151-156 |
| NS, RCS (Joint) |
2020-12-18 10:50 |
Online | Online | Spatially and Spectrally Distributed Massive MIMO toward Beyond 5G systems Kentaro Nishimori (KDDI Research/Niigata Univ.), Takahiro Matsuda (KDDI Research/Tokyo Metropolitan Univ.), Ryochi Kataoka, Takeo Ohzeki, Daishi Watanabe, Kosuke Yamazaki (KDDI Research) RCS2020-145 |
[more] | RCS2020-145 pp.60-65 |
| 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) |
2020-03-04 15:00 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
[Invited Talk]
A Proposal of Dynamic Spectrum Sharing Architecture between different radio services and 5G system Kosuke Yamazaki, Takahiro Hayashii, Yoshiaki Amano, Yoji Kishi (KDDI Research), Takeo Fujii, Koichi Adachi (UEC), Hiroshi Harada, Kei-ichi Mizutani (Kyoto Univ.), Jun-ichi Takada, Kentaro Saito (TIoT), Yasushi Fuwa, Osamu Takyu (Shinshu Univ.), Ryo Sawai, Ryota Kimura (SONY), Satoshi Baba, Hironori Kakefuda (NDK), Hideki Kanemoto, Takeshi Yasunaga (Panasonic) RCS2019-345 SR2019-120 SRW2019-66 |
To achieve highly efficient spectrum usage, we propose a novel spectrum management scheme to realize Dynamic Spectrum Sh... [more] | RCS2019-345 SR2019-120 SRW2019-66 pp.137-142(RCS), pp.41-46(SR), pp.35-40(SRW) |
| 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] | |
| WBS, SAT (Joint) |
2019-05-15 12:35 |
Aichi | MEIJO University (Tempaku campus) | UAV-enabled Spectrally Efficient Cooperative Uplink NOMA via Virtual Full-duplex Relaying Young-bin Kim, Kosuke Yamazaki (KDDI Research) SAT2019-5 |
[more] | SAT2019-5 pp.27-32 |
| SAT | 2018-10-11 14:45 |
Overseas | KARI | UAV-enabled Opportunistic Relaying Schemes Based on Non-orthogonal Multiple Access in Correlated Rician Fading Channels Young-bin Kim, Kosuke Yamazaki (KDDI Research) SAT2018-51 |
In this paper, we consider the scenario where there are unconnected mobile stations (MSs) from a base station owing to u... [more] | SAT2018-51 pp.39-44 |
| AP, SANE, SAT (Joint) |
2018-07-18 15:20 |
Hokkaido | Hokkaido Univ. | Non-orthogonal Multiple Access Based Opportunistic Relaying Schemes in UAV-assisted Cooperative Networks Young-bin Kim, Kosuke Yamazaki (KDDI Research) SAT2018-16 |
[more] | SAT2018-16 pp.31-35 |
| SAT | 2017-10-27 09:25 |
Okinawa | Okinawa Cellular Telephone Company | Optimal UAV Positioning for Interference-Limited Terrestrial-Aerial Communications in Rician Fading Channels Young-bin Kim, Kosuke Yamazaki (KDDI Research) SAT2017-49 |
In this paper, we consider the interference-limited terrestrial-aerial communications in Rician fading channels. Taking ... [more] | SAT2017-49 pp.71-75 |
| 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 09:25 |
Tokyo | Tokyo Institute of Technology | Performance characteristics of feature detection scheme using Cyclic Prefix (CP) in OFDM and its applications Kanshiro Kashiki, Tomoki Sada, Kosuke Yamazaki, Shingo Watanabe (KDDI Labs.) SR2014-112 |
From the viewpoint of the efficient use of frequency resources in mobile radio service, the authors have been investigat... [more] | SR2014-112 pp.7-14 |
[Return to Top Page]