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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 297  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2023-03-01
10:25
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Adaptive DNN-based CSI Feedback with Quantization for FDD Massive MIMO Systems
Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Gui Guan (NJUPT)
 [more]
IT, RCS, SIP 2023-01-24
15:55
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems
Kento Nishimura, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ) IT2022-43 SIP2022-94 RCS2022-222
Distributed MIMO systems, which have been considered in recent years, use a very large number of base station antennas, ... [more] IT2022-43 SIP2022-94 RCS2022-222
pp.78-83
IT, RCS, SIP 2023-01-25
10:50
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
DoA Estimation Based on Propagator Method for Analog-Digital Hybrid Massive MIMO Systems
Takuma Yamazaki, Tetsushi Ikegami (Meiji Univ.) IT2022-59 SIP2022-110 RCS2022-238
Large-scale Multiple-Input Multiple-Output (MIMO) systems are MIMO systems with a large number of antenna elements and h... [more] IT2022-59 SIP2022-110 RCS2022-238
pp.172-177
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, NS
(Joint)
2022-12-15
16:10
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
A Study on Outer Loop Link Adaptation in Massive MIMO with Multi-user Detection via Generalized Approximate Message Passing
Takanobu Doi, Jun Shikida, Daichi Shirase, Kazushi Muraoka, Naoto Ishii (NEC), Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.) RCS2022-196
With the ever-growing demand for uplink communications in beyond fifth generation mobile communications (beyond 5G), mas... [more] RCS2022-196
pp.57-62
RCS, AP, UWT
(Joint)
2022-11-16
09:55
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
Network-Assisted Full-Duplex Millimeter-Wave Cell-Free Massive MIMO with Localization-Aided Inter-User Channel Estimation
Shuto Fukue (UEC), Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2022-164
We propose a joint resource allocation and beamforming design with location-aided channel estimation to mitigate the int... [more] RCS2022-164
pp.55-60
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]
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] A New CSI Feedback with Quantization Based on Adaptive DNN for FDD Massive MIMO Systems
Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT)
Accessing the accurate downlink channel state information (CSI) is essential to take full advantage of frequency divisio... [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
RCS 2022-06-15
09:55
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Simulation Evaluation of Millimeter Wave Cell Free massive MIMO for Realistic Deployment Environment
Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-25
Cell-free massive MIMO (CF mMIMO) is a candidate elemental technology for Beyond 5G. In this paper, we report the result... [more] RCS2022-25
pp.7-12
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
MW 2022-03-03
14:45
Online Online Frequency Characteristics on Vector Regulator Adjustment of Power Amplifier for Massive MIMO Base Stations
Kazuya Miyamoto, Shoichi Narahashi (Setsunan Univ.), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOMO) MW2021-123
This paper presents Frequency Characteristics on Vector Regulator Adjustment of 3.5-GHz Band Power Amplifier. Experiment... [more] MW2021-123
pp.69-72
 Results 1 - 20 of 297  /  [Next]  
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