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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 288  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
(To be available after the conference date) [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.)
(To be available after the conference date) [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.)
(To be available after the conference date) [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)
 [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
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
CQ, CBE
(Joint)
2022-01-27
10:25
Ishikawa Kanazawa(Ishikawa Pref.)
(Primary: On-site, Secondary: Online)
Study on Channel Database for Cell-Free Massive MIMO
Takahiro Matsuda (TMU), Kentaro Nishimori (Niigata Univ.) CQ2021-77
Cell-Free Massive MIMO (CF-Ma-MIMO) systems comprise a very large number of access points (APs) distributed over a wide ... [more] CQ2021-77
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]
AP, RCS
(Joint)
2021-11-11
10:55
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A Study on Receive Beamforming for Multi-User Detection with Trainable Gaussian Belief Propagation
Takanobu Doi, Jun Shikida, Kazushi Muraoka, Naoto Ishii (NEC), Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.) RCS2021-159
We propose two digital receive beamforming (BF) methods for low-complexity and high-accuracy uplink signal detection via... [more] RCS2021-159
pp.86-91
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
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
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
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