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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, ISEC, IT, WBS | 2024-03-13 10:45 |
Osaka | Osaka Univ. (Suita Campus) | Neural Network-based Compensation of Wideband Nonlinear Distortion for MIMO Transmission with Virtualized Terminal Taishi Watanabe, Takeo Ohseki, Issei Kanno (KDDI Research)  IT2023-84 ISEC2023-83 WBS2023-72 RCC2023-66 |
(To be available after the conference date) [more] | IT2023-84 ISEC2023-83 WBS2023-72 RCC2023-66 pp.60-65 |
| 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, SR, SRW (Joint) |
2023-03-01 16:05 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Neural Network Based Wideband Digtial Post-distortion for Virtualized Terminal Taishi Watanabe, Takeo Ohseki, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-262 |
A virtualised terminal consisting of a normal user terminal and multiple RF relay devices that perform frequency conver... [more] |
RCS2022-262 pp.88-93 |
| RCS, NS (Joint) |
2022-12-16 15:50 |
Aichi | Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Standardization of NR network-controlled repeater in 3GPP and research on coverage expansion techniques in millimeter-wave bands Takeo Ohseki, Ryochi Kataoka, Masahiro Takigawa, Taishi Watanabe, Yoshiaki Amano (KDDI Research) NS2022-149 RCS2022-207 |
In the access links of mobile communications system, RF repeaters and relaying nodes have been considered as a means to ... [more] | NS2022-149 RCS2022-207 p.87(NS), p.98(RCS) |
| RCS, AP, UWT (Joint) |
2022-11-17 10:20 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A study on relaying achieving low latency and high capacity in the millimeter wave bands Masahiro Takigawa, Ryochi Kataoka, Takeo Ohseki, Taishi Watanabe, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-176 |
This paper evaluates the link-level throughput characteristics when Line-of-Sight MIMO(LoS-MIMO) is applied between a re... [more] | RCS2022-176 pp.124-129 |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Basic Performance Evaluation of Low Latency and High Capacity Relay Technology in the Millimeter Wave Band Ryochi Kataoka, Masahiro Takigawa, Takeo Ohseki, Taishi Watanabe, Yoshiaki Amano (KDDI Research) |
[more] | |
| 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 |
| 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] | |
| 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 |
| 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 |
| 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, NS (Joint) |
2006-07-21 10:50 |
Hokkaido | Hokkaido Univ. | A Study on Throughput Enhancement using Asymmetric Paths in Multihop Communication System Naoki Fuke, Takeo Ohseki, Hiroyasu Ishikawa, Keizo Sugiyama (KDDI R&D Labs.) RCS2006-90 |
We propose a connection scheme employing asymmetric paths to enhance the system throughput in the multihop communication... [more] | RCS2006-90 pp.187-192 |
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