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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2022-03-03 09:30 |
Online | Online | Channel Estimation Scheme Robust against Pilot Contamination for Hybrid Beamforming Massive MIMO Systems Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO)  RCS2021-270 |
In 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital be... [more] | RCS2021-270 pp.102-107 |
| AP, WPT (Joint) |
2022-01-20 13:10 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Estimation of MIMO Channel Capacity in an Indoor Environment Using Ray-Tracing Method Hiroto Yonawa, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2021-141 |
Multiple-input multiple-output (MIMO) system, which uses multiple transmit and receive antennas, has been studied as a m... [more] | AP2021-141 pp.37-42 |
| RCS, SIP, IT | 2022-01-20 14:05 |
Online | Online | A Study on Extended DLDC-Aided Joint Signal Processing in Unified Optical and Wireless Channels Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2021-42 SIP2021-50 RCS2021-210 |
One of the solutions for utilizing the high-frequency band is to deploy multiple distributed units (DUs) under a central... [more] | IT2021-42 SIP2021-50 RCS2021-210 pp.81-86 |
| AP, WPT (Joint) |
2022-01-21 13:30 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Proposal on Novel Staircase Array Antenna Configuration utilizing Stacked Butler Matrix Hideya So, Yoshitada Watanabe, Takana Kaho (SIT), Mizuki Suga, Takuto Arai, Yushi Shirato, Hideki Toshinaga, Daisei Uchida, Naoki Kita (NTT) AP2021-151 |
Massive Multiple-Input Multiple-Output (Massive MIMO), which uses a large number of antenna elements, has been investiga... [more] | AP2021-151 pp.92-97 |
| RCS, SIP, IT | 2022-01-20 14:30 |
Online | Online | A zero-forcing linear precoding scheme using QR decomposition with greedy permutation for MIMO communications Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka City Univ.) IT2021-57 SIP2021-65 RCS2021-225 |
In this report, we study a zero-forcing linear precoding (ZFLP) scheme using QR decomposition with greedy permutation, w... [more] | IT2021-57 SIP2021-65 RCS2021-225 pp.161-166 |
| RCS, SIP, IT | 2022-01-21 14:20 |
Online | Online | [Encouragement Talk]
Ultra-Wide Coverage and High-Capacity Massive MIMO System for High-Altitude Platform Stations Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) IT2021-79 SIP2021-87 RCS2021-247 |
Coverage extension to the sky, seas, and elsewhere is one of the important concepts of the 6th generation (6G) mobile co... [more] | IT2021-79 SIP2021-87 RCS2021-247 p.288 |
| RCS, SIP, IT | 2022-01-21 15:00 |
Online | Online | [Invited Talk]
Deep Learning-Aided Belief Propagation for Large Multiuser MIMO Detection Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2021-80 SIP2021-88 RCS2021-248 |
With the increasing dimensionality of wireless communication signals, low-complexity signal detection algorithms to solv... [more] | IT2021-80 SIP2021-88 RCS2021-248 pp.289-294 |
| SRW, SeMI, CNR (Joint) |
2021-11-26 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance of Least-squares Channel Estimation for Large-scale MU-MIMO-OFDM in the Presence of Terminal Mobility Yutaka Itoya, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) SRW2021-51 SeMI2021-50 CNR2021-25 |
This report investigates the effect of multiplexing-based least squares (LS) channel estimation on uplink large-scale MU... [more] | SRW2021-51 SeMI2021-50 CNR2021-25 pp.82-83(SRW), pp.69-70(SeMI), pp.59-60(CNR) |
| AP, RCS (Joint) |
2021-11-10 13:30 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Study on Interference Canceller for HAPS Feeder Links with Multi-Gateways under Multiple-Path Environment Takafumi Fujii, Yoshichika ohta (Softbank.corp) AP2021-101 RCS2021-148 |
HAPS (High Altitude Platform Station), which is a stratosphere platform around 20Km altitude, cellular communication ser... [more] | AP2021-101 RCS2021-148 pp.3-9(AP), pp.21-27(RCS) |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Uplink in a Communication System Using Drones as Relay Stations Takanobu Watanabe, Kentaro Nishimori (Niigata Univ.) |
The 5th generation mobile communication system has started its service, and the research and development for beyond 5G (... [more] | |
| 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 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 |
| IN, NS, CS, NV (Joint) |
2021-09-09 14:55 |
Online | Online | Proposal of signal separation using LSTM on wavelength division multiplexed optical wireless communication Masaki Inomata, Takanori Iwamatsu, Saeko Oshiba (KIT) CS2021-43 |
We propose a new method for sequential interference cancellation in wavelength-division multiplexed optical wireless com... [more] | CS2021-43 pp.13-16 |
| RCS, SAT (Joint) |
2021-08-27 11:20 |
Online | Online | [Encouragement Talk]
Performance analysis of LEO-GEO multi-satellite MIMO transmission method Ayaka Noda, Kohei Ueno, Mamoru Okumura, Eiji Okamoto (NITech), Hiroyuki Tsuji, Amane Miura (NICT) SAT2021-36 |
Currently, demands on high-capacity satellite communications are continuously increasing. To achieve it, multiple input ... [more] | SAT2021-36 pp.43-48 |
| CS | 2021-07-16 09:40 |
Online | Online | Joint Transmit Power and Beamforming Control based on Unsupervised Machine Learning for MIMO Wireless Communication Networks Naoto Tamada, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) CS2021-29 |
In mobile communications, densely deployed cell systems are expected to improve the system capacity drastically. However... [more] | CS2021-29 pp.63-68 |
| PN, NS, OCS (Joint) |
2021-06-25 13:00 |
Online | Online | An experimental study on polarization multiplexing of analog RoF signals Yo Nakamura, Amila Kariyawasam, Joji Maeda (Tokyo Univ. of Science) OCS2021-4 |
Analog Radio-over-Fiber (A-RoF) technology is expected to be adopted in next generation mobile fronthauls (MFH) because ... [more] | OCS2021-4 pp.15-19 |
| AP | 2021-04-16 14:25 |
Hyogo | Kinosaki International Arts Center (Primary: On-site, Secondary: Online) |
Multiple Helix Large-Scale MIMO Antenna for Inter-Flying Car High-Speed Communications at Plural Target Directions Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2021-7 |
The author presented a multiple helix array structure for realizing a 256 × 256 large-scale MIMO antenna. In this archit... [more] | AP2021-7 pp.34-39 |
| WBS, IT, ISEC | 2021-03-05 10:15 |
Online | Online | Indoor Long Distance High Speed Imaging MIMO System With Linear Transmitting Element Array Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya University) IT2020-140 ISEC2020-70 WBS2020-59 |
Multiple-input-multiple-output optical wireless communication (MIMO-OWC) system is considered as a potential candidate t... [more] | IT2020-140 ISEC2020-70 WBS2020-59 pp.171-175 |
| RCS, SR, SRW (Joint) |
2021-03-04 11:35 |
Online | Online | [Poster Presentation]
An Application of Decision Feedback Channel Estimation to MIMO Sphere Decoding Yuki Maruyama, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2020-234 SR2020-73 SRW2020-63 |
(To be available after the conference date) [more] | RCS2020-234 SR2020-73 SRW2020-63 pp.157-158(RCS), pp.50-51(SR), pp.45-46(SRW) |
| RCS, SR, SRW (Joint) |
2021-03-05 09:00 |
Online | Online | Adaptive Channel Prediction over Multi-Cluster and Time-Varying Channels for Analog-Digital-Hybrid Massive MIMO Systems Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2020-252 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital b... [more] | RCS2020-252 pp.222-227 |
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