Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, NS (Joint) |
2022-12-15 15:45 |
Aichi |
Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Study on Precoding Criterion for In-band Distortion Compensation in Massive MIMO-OFDM with Peak Cancellation Tomofumi Makita, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2022-195 |
Recently, an enhanced peak cancellation (PC) scheme with an in-band distortion compensation (IDC) for peak– to-average p... [more] |
RCS2022-195 pp.51-56 |
RCS |
2022-10-27 12:30 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research Activities for Deploying Cell-Free Massive MIMO Systems Masaaki Ito (KDDI Research/USC), Shunsuke Kamiwatari, Noboru Osawa, Issei Kanno, Yoshiaki Amano (KDDI Research) RCS2022-132 |
In cell-free massive MIMO systems, a massive number of distributed antennas cooperate with each other and communicate wi... [more] |
RCS2022-132 p.25 |
RCS |
2022-10-28 09:25 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142 |
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] |
RCS2022-142 pp.65-70 |
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 |
MIKA (3rd) |
2022-10-13 11:10 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Considerations on a DOA Estimation Using Propagator Method for Hybrid Massive MIMO Takuma Yamazaki, Tetsushi Ikegami (Meiji Univ) |
Massive multiple-input multiple-output (MIMO) is MIMO with many antenna elements, and is attracting attention as a techn... [more] |
|
MIKA (3rd) |
2022-10-13 11:10 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Improvement of Massive MIMO Inter-User Interference Suppression by Iterative Replica Subtraction Takuto Suzuki, Kazuki Maruta (Tokyo Univ. of Science), Salah Berra (Lusofona Univ.), Osamu Muta (Kyushu Univ.) |
In massive MIMO, precoding has an interference cancellation issue because the channel size has a considerable dimension ... [more] |
|
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Channel and Data Estimation via Deep Unfolding-Aided BiGaBP for Correlated Massive MIMO Koichi Maki, Tetsushi Ikegami (Meiji Univ.) |
This paper applies deep unfolding (DU) to a joint channel and data estimation (JCDE) scheme via bilinear belief propagat... [more] |
|
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 |
AP, SANE, SAT (Joint) |
2022-07-29 15:55 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Massive MIMO OTA Evaluation method with Controllable the Number of Paths Kazuhiro Honda, Rio Kitamura (Univ. of Toyama) AP2022-63 |
In our previous study, an Over-The-Air (OTA) evaluation method for massive MIMO antenna systems with controllable the nu... [more] |
AP2022-63 pp.162-167 |
NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-14 14:50 |
Ishikawa |
The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array Riku Nojima, Osamu Muta, Tomofumi Makita (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2022-88 |
This paper proposes an in-band distortion redKM{compensation} (IDC) scheme for peak cancellation (PC) based peak-to-aver... [more] |
RCS2022-88 pp.101-106 |
AP (2nd) |
2022-06-10 14:50 |
Hokkaido |
Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Specificity Analysis for Down Link SINR Degradation Component using Sub6GHz Band Massive Element Active Antenna System with Digital Predistortion (DPD) for 5
-- Characteristics of the Ratio of Power Composite Component and Vector Composite Component that make up the Deterioration Component of Down Link SINR and Features of Down Link SINR Improvement by Increasing the Number of Transmitters -- Takuji Mochizuki (NEC) |
By determining the transition of the ratio of the "N" component (Random noise component : Power synthesized component) a... [more] |
|
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 |
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 |
2022-01-21 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 |
RISING (3rd) |
2021-11-17 11:00 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Relationship between Amplitude and Spatial Resolutions for Massive MIMO Mana Yoshida, Daisuke Umehara (KIT) |
One of the major technologies for 5G mobile systems is massive multiple-input multiple-output (MIMO) system. In order to... [more] |
|
MIKA (3rd) |
2021-10-29 10:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Adaptive In-band Distortion Compensation for Massive MIMO-OFDM Systems with Deep Peak Cancellation HIroki Hase, Osamu Muta (Kyushu Univ.) |
In massive multi-input multi-output (mMIMO) orthogonal frequency division multiplexing (OFDM) systems, the reduction of ... [more] |
|
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 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 |
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 |
CQ, MIKA (Joint) |
2021-09-09 14:40 |
Online |
Online |
[Invited Talk]
Advancement of Multiuser Massive MIMO Null-Space Expansion Kazuki Maruta (Tokyo Tech) CQ2021-46 |
Massive multiple-input multiple-output (MIMO) technology with base stations having more than a hundred antennas has been... [more] |
CQ2021-46 p.46 |