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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2023-10-19 14:05 |
Kagawa | Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research for Wide-Area Expansion of User-Centric RAN Using Cell-Free Massive MIMO Takahide Murakami, Yu Tsukamoto, Reo Kohinata, Naoki Aihara, Akio Ikami, Hiroyuki Shinbo, Yoshiaki Amano (KDDI Research)  RCS2023-133 |
Cell-Free massive MIMO (cell-free) is attracting attention as a technology that can ensure wireless quality regardless o... [more] | RCS2023-133 p.26 |
| CS, CQ (Joint) |
2023-05-18 16:30 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Optical and Wireless convergence for realizing User-Centric Network Ryo Inohara, Shinji Nimura, Kazuki Tanaka (KDDI Research, Inc.) CQ2023-4 |
Cellular systems have been commercially deployed in the 5th and earlier generations of mobile communication systems, in ... [more] | CQ2023-4 p.18 |
| RCC, ISEC, IT, WBS | 2023-03-15 11:00 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Virtualized terminal utilizing the terahertz band for high-capacity communications toward Beyond 5G/6G Takahiro Hayashi, Yoshio Kunisawa, Tatsuya Nagao, Kazuki Takezawa, Satoshi Ito, Hiromi Matsuno, Yoji Kishi (KDDI Research, Inc) IT2022-110 ISEC2022-89 WBS2022-107 RCC2022-107 |
In the 2030s, when Beyond 5G/6G is expected to be realized, a cyber-physical system (CPS) that integrates physical and c... [more] | IT2022-110 ISEC2022-89 WBS2022-107 RCC2022-107 pp.263-268 |
| RCS | 2022-10-28 10:15 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
A Study on Interference Suppression ZF-based MU-MIMO for Cluster-Centric Cell-Free Massive MIMO Systems Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-144 |
Cell-free massive multi-input multi-output (CF-mMIMO), which is recently under extensive study, is considered to be an e... [more] | RCS2022-144 pp.77-82 |
| SAT, RCS (Joint) |
2022-08-25 11:40 |
Hokkaido | (Primary: On-site, Secondary: Online) |
A Study on Computational Complexity Reduction of Pre/Postcoding in User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-101 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] | RCS2022-101 pp.24-29 |
| SRW | 2022-08-22 13:50 |
Online | Online | [Invited Talk]
Toward Ultra-dense Mobile Communication Systems Fumiyuki Adachi (Tohoku Univ.) SRW2022-14 |
Since the inauguration of the 3rd generation (3G) mobile communication services, the mobile data traffic has been rapidl... [more] | SRW2022-14 pp.27-32 |
| 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 10:20 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
A Study on Uplink Postcoding in User-Centric and User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-26 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] | RCS2022-26 pp.13-18 |
| IN, RCS, NV (Joint) |
2022-05-26 09:55 |
Kanagawa | Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
Incorporation of MU-MIMO Technology into User-centric Cell-Free mMIMO System Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-14 |
Recently, cell-free massive multiple-input-multiple-output (CF-mMIMO) system has been attracting a great attention. CF-m... [more] | RCS2022-14 pp.7-12 |
| IN, RCS, NV (Joint) |
2022-05-27 15:00 |
Kanagawa | Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Requirements to Beyond 5G/6G and new technologies to realize Beyond 5G/6G Satoshi Konishi (KDDI Research) IN2022-10 RCS2022-23 |
Beyond 5G/6G, which will be commercialized around year 2030, is expected to play an important role of Society 5.0 infras... [more] | IN2022-10 RCS2022-23 p.49(IN), p.51(RCS) |
| EMM, EA, ASJ-H | 2021-11-15 15:40 |
Online | Online | [Invited Talk]
Development and Social Deployment of the “OtonoVR-New Music Viewing Experience” App Toshiharu Horiuchi (KDDI Research) EA2021-46 EMM2021-73 |
We previously presented an arbitrarily angled audio-visual player app for 360-degree videos using our selective synthesi... [more] | EA2021-46 EMM2021-73 pp.108-113 |
| 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 |
| SP, EA, SIP | 2020-03-02 13:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
[Poster Presentation]
Selective synthesis of sound field using directivity control and stereo width control Toshiharu Horiuchi, Sumaru Niida (KDDI Research) EA2019-119 SIP2019-121 SP2019-68 |
This report presents a selective synthesis technique of sound field using directivity control and stereo width control. ... [more] | EA2019-119 SIP2019-121 SP2019-68 pp.107-110 |
| RCS, SR, SRW (Joint) |
2018-03-02 14:30 |
Kanagawa | YRP | A Unique Power Control Algorithm using Game Theory in Dense Networks Meghalee Goswami, Kang Kang, Zhenni Pan, Shigeru Shimamoto (Waseda Univ.) RCS2017-386 |
A User centric network is one of the prominent and promising solutions to the exponential growth of mobile data in 5G sy... [more] | RCS2017-386 pp.369-374 |
| NS, IN (Joint) |
2017-03-02 09:50 |
Okinawa | OKINAWA ZANPAMISAKI ROYAL HOTEL | Adaptive Distribution of In-network Guidance Information for Information-Centric Networks Kenichi Hashimoto, Yosuke Tanigawa, Hideki Tode (Osaka Prefecture Univ.) NS2016-159 |
For several years, access load on servers and network traffic are greatly increasing due to larger content-size and high... [more] | NS2016-159 pp.13-18 |
| CQ, ICM, NS (Joint) |
2015-11-27 13:20 |
Niigata | Niigata University | Pricing Strategy in Macro-Femto Heterogeneous Networks Wafa Werda, Bo Gu (Waseda Univ.), Kyoko Yamori (Asahi Univ.), Yoshiaki Tanaka (Waseda Univ.) CQ2015-87 |
The important increase in wireless network traffic and especially in wireless data has become a big challenge for mobile... [more] | CQ2015-87 pp.65-70 |
| SR | 2014-01-24 16:10 |
Miyagi | Tohoku Univ. | A Study on Digital Predistortion Technique for Dual-band Amplification with Different Output Power Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa (NTT), Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Inst. of Tech.) SR2013-94 |
To realize User-Centric Wireless Networks which integrates various wireless systems on a unified hardware platform towar... [more] | SR2013-94 pp.103-108 |
| MW | 2013-12-19 12:15 |
Saitama | Saitama Univ. | Experimental Validation of Digital Pre-distortion Technique for Multi-Band Multi-signal Amplification by Single Feedback System Employing Multi-band Mixer Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech), Takayuki Yamada, Takana Kaho, Yo Yamaguchi (NTT) MW2013-157 |
To realize User-Centric Wireless Networks which integrates various wireless systems on a unified hardware platform towar... [more] | MW2013-157 pp.35-40 |
| MW, AP (Joint) |
2013-09-13 09:55 |
Tokyo | NHK Science Tech. Research Lab. | A Study on Parameter Optimization for Orthogonal Polynomial Based Digital Predistortion of Concurrently Amplified Dual-band Single-carrier Signals Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Inst. of Tech.), Takayuki Yamada, Takana Kaho, Yo Yamaguchi (NTT) MW2013-91 |
To realize “User-Centric Wireless Networks” which integrates various wireless systems on a unified hardware platform tow... [more] | MW2013-91 pp.17-22 |
| NS, IN (Joint) |
2013-03-07 09:00 |
Okinawa | Okinawa Zanpamisaki Royal Hotel | Bandwidth Allocation Method Considering Users' QoE of Communication Speed and Its Evaluation Toru Kikuchi, Takumi Miyoshi (Shibaura Inst. of Tech.) NS2012-191 |
Network quality has been measured by QoS (Quality of service), which is based on physical metrics such as network delay ... [more] | NS2012-191 pp.151-156 |
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