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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 |
| RCS, SR, SRW (Joint) |
2023-03-03 09:00 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Large-scale Simulation for Integrated Demonstration of Management Technology in Advanced 5G Network Haruhisa Hirayama, Megumi Shibuya, Akira Yamaguchi, Yu Tsukamoto, Takahide Murakami, Hiroyuki Shinbo (KDDI Research) RCS2022-281 |
In the advanced 5G era around 2025, mobile traffic with various required qualities such as high capacity, ultra-low late... [more] | RCS2022-281 pp.185-189 |
| RCS, SR, SRW (Joint) |
2022-03-02 14:30 |
Online | Online | Performance Evaluation of User-Centric AP Cluster Formulation Scheme with User Mobility toward Beyond 5G Naoki Aihara, Akio Ikami, Takahide Murakami, Yu Tsukamoto, Hiroyuki Shinbo (KDDI Research) RCS2021-267 |
[more] | RCS2021-267 pp.85-89 |
| RCS, SR, SRW (Joint) |
2022-03-02 14:55 |
Online | Online | A fundamental experiment of AP clustering for CF-mMIMO in user-centric RAN Yu Tsukamoto, Issei Kannno, Takahide Murakami, Hiroyuki Shinbo (KDDI Research) RCS2021-268 |
[more] | RCS2021-268 pp.90-95 |
| SR | 2022-01-24 10:50 |
Online | Online | [Invited Talk]
Research & Development of Robust CoMP for Millimeter Communications with Random Blockages Koji Ishibashi, Sota Uchimura (UEC), Tetsuya Iye, Yoshimi Fujii (KKE), Takahide Murakami, Hiroyuki Shinbo (KDDI Research, Inc.) SR2021-60 |
Next-generation mobile communications (Beyond 5G/6G) have to meet diverse demands of users such as ultra-high speed, low... [more] | SR2021-60 p.11 |
| RCS, NS (Joint) |
2021-12-17 11:00 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Performance Analysis on distributed CPU Cooperation Schemes of CF-mMIMO on User-Centric RAN Towards Beyond 5G Naoki Aihara, Akio Ikami, Takahide Murakami, Yu Tsukamoto, Hiroyuki Shinbo (KDDI Research) RCS2021-188 |
[more] | RCS2021-188 pp.69-74 |
| RCS | 2021-10-21 10:00 |
Online | Online | Performance Evaluation on CPU Function Placement using Virtualized RAN to Cell Free-massive MIMO Naoki Aihara, Akio Ikami, Takahide Murakami, Yu Tsukamoto, Hiroyuki Shinbo (KDDI Research) RCS2021-118 |
[more] | RCS2021-118 pp.1-6 |
| RCS | 2021-10-22 10:50 |
Online | Online | Experimental Study on Tradeoff between Blockage Prediction and Performance of Millimeter-wave Communications with Coordinated Multipoint Transmission Sota Uchimura (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC), Takahide Murakami, Hiroyuki Shinbo (KDDI Research, Inc.) RCS2021-133 |
Various blockage prediction methods have been proposed to overcome the vulnerability of millimeter-wave (mmWave) signals... [more] | RCS2021-133 pp.76-81 |
| 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 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 10:25 |
Online | Online | Feasibility Study on Blockage Prediction with Machine Learning in Outdoor mm-Wave Environment Satoshi Ito, Shoichiro Mihara, Takahide Murakami, Hiroyuki Shinbo (KDDI Research, Inc.) RCS2020-59 |
mm-wave bands have large blockage loss in comparison with sub 6 GHz band. Therefore, we proposed the system that has mul... [more] | RCS2020-59 pp.7-12 |
| RCS, SR, SRW (Joint) |
2020-03-04 09:00 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
R&D of Technology for High Reliability Management of Advanced 5G Network to Various Requirements of Communication Services Takahide Murakami, Hiroyuki Shinbo, Yu Tsukamoto, Shinobu Nanba, Yoji Kishi (KDDI Research), Morihiko Tamai, Hiroyuki Yokoyama (ATR), Takanori Hara, Koji Ishibashi (The University of Electro-Communications), Kensuke Tsuda, Yoshimi Fujii (Kozo Keikaku Engineering Inc.), Fumiyuki Adachi, Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.), Yuta Seki, Takayuki Sotoyama (Panasonic) RCS2019-320 |
As the 5th generation mobile communication system is widespread approximately 2025, more variety of communication qualit... [more] | RCS2019-320 pp.1-6 |
| RISING (2nd) |
2019-11-26 14:10 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo | [Poster Presentation]
Issues for Application of Machine Learning to Prediction of Blockage of Millimeter Wave toward Advancement of 5G Mobile Communication System Takahide Murakami, Satoshi Ito, Shoichiro Mihara, Hiroyuki Shinbo (KDDI Research) |
In a period of spreading 5G mobile communication system and moving toward advanced system, communication services will b... [more] | |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 09:00 |
Kyoto | Doshisha University | Highly Resilient Optical and Radio Seamless Communication Systems with Agile Deployment Capability (1)
-- Key Technologies -- Kosuke Nishimura, Takahide Murakami, Masayuki Oishi, Naoyasu Kamiya, Yu Kawaguchi, Takehiro Tsuritani, Keiji Tanaka (KDDI Labs) PN2013-34 OPE2013-148 LQE2013-134 EST2013-83 MWP2013-54 |
Radio-over-Fiber (RoF) is a promising technology for seamlessly connecting wired optical and wireless radio links each o... [more] | PN2013-34 OPE2013-148 LQE2013-134 EST2013-83 MWP2013-54 pp.1-5 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 09:25 |
Kyoto | Doshisha University | Highly Resilient Optical and Radio Seamless Communication Systems with Agile Deployment Capability (2)
-- Optical Link Failure Detection and Switching Technique -- Masayuki Oishi, Naoyasu Kamiya, Takahide Murakami, Kosuke Nishimura, Keiji Tanaka (KDDI Labs.) PN2013-35 OPE2013-149 LQE2013-135 EST2013-84 MWP2013-55 |
Radio-over-Fiber (RoF) transmission technology is expected as a promising candidate for optical and radio seamless commu... [more] | PN2013-35 OPE2013-149 LQE2013-135 EST2013-84 MWP2013-55 pp.7-10 |
| OCS, CS (Joint) |
2013-01-25 09:00 |
Ehime | Ehime Univ. | Effectiveness Evaluation of ONU Registration Scheme for TDMA-PON with Ultra-High-Split Naoyasu Kamiya, Masayuki Oishi, Takahide Murakami, Kosuke Nishimura (KDDI Labs.) OCS2012-91 |
For the next generation optical access networks, it is required to accommodate much more subscribers in a single OLT by ... [more] | OCS2012-91 pp.37-41 |
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