Thu, Oct 21 AM RCS 1 Chair: Yoshiaki Narisue (Univ. of Tokyo ) 10:00 - 11:40 |
(1) |
10:00-10:25 |
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) |
(2) |
10:25-10:50 |
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) |
(3) |
10:50-11:15 |
Beamforming Design and Secrecy capacity analysis for Cell-Free massive MIMO |
Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) |
(4) |
11:15-11:40 |
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) |
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11:40-13:00 |
Lunch Break ( 80 min. ) |
Thu, Oct 21 PM RCS 2 Chair: Megumi Kaneko (NII) 13:00 - 14:40 |
(5) |
13:00-13:25 |
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) |
(6) |
13:25-13:50 |
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) |
(7) |
13:50-14:15 |
Inter-User Distance Estimation in 5G mmWave Networks using Beam-Based Fingerprints |
Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki (Keio Univ.) |
(8) |
14:15-14:40 |
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.) |
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14:40-14:50 |
Break ( 10 min. ) |
Thu, Oct 21 PM Invited Lecture Chair: Tomoya Tandai (Toshiba) 14:50 - 15:40 |
(9) |
14:50-15:40 |
[Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications |
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) |
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15:40-16:00 |
Break ( 20 min. ) |
Thu, Oct 21 PM Online Poster Session by Technical Committee Members Chair: Tetsuya Yamamoto (Panasonic) 16:00 - 17:00 |
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(10) |
16:00-17:00 |
[Poster Presentation]
Application of LoRa Module to Experimental Subjects |
Nobuhiko Miki (Kagawa Univ.) |
(11) |
16:00-17:00 |
[Poster Presentation]
Efforts to construct wireless experiment systems on in-band full-duplex |
Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) |
(12) |
16:00-17:00 |
[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) |
(13) |
16:00-17:00 |
[Poster Presentation]
Performance Improvement of Multiuser Massive MIMO Null-Space Expansion |
Kazuki Maruta (Tokyo Tech), Kabuto Arai, Nobutaka Funaki (Chiba Univ.) |
Fri, Oct 22 AM RCS 3 Chair: Takayasu Kitano (RTRI) 10:00 - 11:40 |
(14) |
10:00-10:25 |
Coevolutionary Dynamic Cell Optimization Algorithm for HAPS Mobile Communications |
Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB) |
(15) |
10:25-10:50 |
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) |
(16) |
10:50-11:15 |
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.) |
(17) |
11:15-11:40 |
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) |
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11:40-13:00 |
Lunch Break ( 80 min. ) |
Fri, Oct 22 PM RCS 4 Chair: Hitoshi Yoshino (Softbank) 13:00 - 14:40 |
(18) |
13:00-13:25 |
Signal Design for Two-Dimensional OTFS Index Modulation Over Doubly-Selective Channels With Fractional Doppler |
Kazuya Ohira, Koji Ishibashi (UEC) |
(19) |
13:25-13:50 |
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) |
(20) |
13:50-14:15 |
Study on Performance Improvement of Radio-Wave Encrypted Modulation by LLR Clipping |
Mamoru Okumura, Keisuke Asano, Takumi Abe, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) |
(21) |
14:15-14:40 |
Performance Improvement of Misaligned Underwater OWC Systems Using MIMO |
Hitoshi Ando, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) |
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14:40-15:00 |
Break ( 20 min. ) |
Fri, Oct 22 PM Online Poster Session 2 by Technical Committee Members Chair: Osamu Nakamura (Sharp) 15:00 - 16:00 |
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(22) |
15:00-16:00 |
[Poster Presentation]
Investigation of NOMA-Based Highly-Efficient Low-Latency Random Access |
Kenichi Higuchi (Tokyo Univ. of Science) |
(23) |
15:00-16:00 |
[Poster Presentation]
Display-Camera Visible Light Communications Using Monocular Depth Estimation and Adversarial Example |
Hiraku Okada, ChangSeok Lee (Nagoya Univ.), Tadahiro Wada (Shizuoka Univ.), Kentaro Kobayashi (Meijo Univ.), Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.) |
(24) |
15:00-16:00 |
[Poster Presentation]
Interference Source Determination Based on History of Transmissions in WLANs |
Koji Yamamoto, Mayu Mieda, Sota Kondo (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Akihito Taya (Kyoto Univ./Aoyama Gakuin Univ.), Kazuto Yano (ATR) |
(25) |
15:00-16:00 |
[Poster Presentation]
NTT DOCOMO's Activities for 5G Evolution & 6G |
Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonakaka, Takahiro Asai (NTT DOCOMO) |