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Technical Committee on Radio Communication Systems (RCS) (Searched in: 2021)
Search Results: Keywords 'from:2021-10-21 to:2021-10-21'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2021-10-21 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 |
| RCS | 2021-10-21 10:50 |
Online | Online | Beamforming Design and Secrecy capacity analysis for Cell-Free massive MIMO Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-120 |
In this paper, we investigate a secure beamforming (BF) design for cell-free massive multiple input mul tiple output (CF... [more] | RCS2021-120 pp.13-18 |
| RCS | 2021-10-21 11:15 |
Online | Online | A Study on Resource Allocation and Beamforming Design via Geometric Mean Maximization for Cell-free Massive MIMO Systems with Dynamic TDD Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-121 |
In this paper, we consider a cell-free multiple-input multiple-output (MIMO) systems operated in a dynamic time division... [more] | RCS2021-121 pp.19-24 |
| RCS | 2021-10-21 13:00 |
Online | Online | Initial access beam search method with variable beam width according to the area size Takuto Arai, Tatsuhiko Iwakuni, Syuki Wai, Daisei Uchida, Naoki Kita (NTT) RCS2021-122 |
High gain antennas using narrow-beamforming are required to compensate for high propagation loss in high frequency bands... [more] | RCS2021-122 pp.25-30 |
| RCS | 2021-10-21 13:25 |
Online | Online | A New Beam Search Based on Combination History of Selected Beams among Antennas for Distributed Antenna System Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita (NTT) RCS2021-123 |
Distributed antenna system using high-frequency bands such as millimeter-wave and sub-terahertz is expected to be one of... [more] | RCS2021-123 pp.31-36 |
| RCS | 2021-10-21 13:50 |
Online | Online | Inter-User Distance Estimation in 5G mmWave Networks using Beam-Based Fingerprints Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki (Keio Univ.) RCS2021-124 |
[more] | RCS2021-124 pp.37-42 |
| RCS | 2021-10-21 14:15 |
Online | Online | A Study on Intelligent Reflecting Surface (IRS) Aided Cell-Free Network
-- IRS Reflection Coefficients Optimization by Quantum Computing for MIMO Channel Capacity Maximization -- Takahiro Ohyama (PSNRD), Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2021-125 |
The IRS (Intelligent Reflecting Surface), which enables control of propagation characteristics, is attracting attention ... [more] | RCS2021-125 pp.43-48 |
| RCS | 2021-10-21 14:50 |
Online | Online | [Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-126 |
In this paper, joint transmit-receiver diversity (JTRD) is presented, which jointly perform transmit diversity and recei... [more] | RCS2021-126 pp.49-54 |
| RCS | 2021-10-21 16:00 |
Online | Online | [Poster Presentation]
Application of LoRa Module to Experimental Subjects Nobuhiko Miki (Kagawa Univ.) RCS2021-127 |
[more] | RCS2021-127 p.55 |
| RCS | 2021-10-21 16:00 |
Online | Online | [Poster Presentation]
Efforts to construct wireless experiment systems on in-band full-duplex Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2021-128 |
We have been studying in-band full-duplex as a technology for effective use of radio resources. In particular, we are ta... [more] | RCS2021-128 p.56 |
| RCS | 2021-10-21 16:00 |
Online | Online | [Poster Presentation]
A Study on Bayesian Receiver Design via Bilinear Inference for Scalable Cell-Free Massive MIMO Takumi Takahashi (Osaka Univ.), Hiroki Iimori (JUB), Kengo Ando, Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ), Giuseppe Abreu (JUB) RCS2021-129 |
One of the main challenges in realizing uplink scalable cell-free massive multi-input multi-output (CF-mMIMO) is capacit... [more] | RCS2021-129 pp.57-62 |
| RCS | 2021-10-21 16:00 |
Online | Online | [Poster Presentation]
Performance Improvement of Multiuser Massive MIMO Null-Space Expansion Kazuki Maruta (Tokyo Tech), Kabuto Arai, Nobutaka Funaki (Chiba Univ.) RCS2021-130 |
A significant challenge of the multiuser multiple-input multiple-output (MIMO) is the interference leakage among user te... [more] | RCS2021-130 p.63 |
| RCS | 2021-10-22 10:00 |
Online | Online | Coevolutionary Dynamic Cell Optimization Algorithm for HAPS Mobile Communications Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB) RCS2021-131 |
HAPS(High-Altitude Platform Station) attracts attention as a new communication platform which provides wide area communi... [more] | RCS2021-131 pp.64-69 |
| RCS | 2021-10-22 10:25 |
Online | Online | Wireless environment survey for the introduction of automated guided vehicles to manufacturing sites Akihiro Amagai, Taketoshi Nakajima, Fumiko Ohori, Toru Osuga, Satoko Itaya, Takeshi Matsumura (NICT) RCS2021-132 |
In recent years, the introduction of wireless LANs to manufacturing sites has been progressing, and moreover, the introd... [more] | RCS2021-132 pp.70-75 |
| 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 |
| RCS | 2021-10-22 11:15 |
Online | Online | Performance Evaluation of Two Directions in Base Station Antennas by 28 GHz-Band Outdoor Experiments of Base Station Cooperation Technology in High-Mobility Environments Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO) RCS2021-134 |
[more] | RCS2021-134 pp.82-87 |
| RCS | 2021-10-22 13:00 |
Online | Online | Signal Design for Two-Dimensional OTFS Index Modulation Over Doubly-Selective Channels With Fractional Doppler Kazuya Ohira, Koji Ishibashi (UEC) RCS2021-135 |
[more] | RCS2021-135 pp.88-93 |
| RCS | 2021-10-22 13:25 |
Online | Online | Physical-Layer Cell Identity Detection Probability for Millimeter Wave Single-Carrier Transmission Daisuke Inoue, Mamoru Sawahashi (Tokyo City Univ.), Haruhi Echigo, Satoshi Nagata (NTT DOCOMO) RCS2021-136 |
This paper presents the sequences and multiplexing scheme for the primary synchronization signal (PSS) and secondary syn... [more] | RCS2021-136 pp.94-99 |
| RCS | 2021-10-22 13:50 |
Online | Online | Study on Performance Improvement of Radio-Wave Encrypted Modulation by LLR Clipping Mamoru Okumura, Keisuke Asano, Takumi Abe, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2021-137 |
In recent years, physical layer security technologies that encrypt the physical layer using information theory have attr... [more] | RCS2021-137 pp.100-105 |
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