Thu, Aug 26 AM RCS1 11:00 - 12:15 |
(1) RCS |
11:00-11:25 |
Encoding and Decoding of Polar Codes for Frequency Selective Fading Channels |
Song Huiying, Fukawa Kazuhiko, Chang Yuyuan (Tokyo Tech) |
(2) RCS |
11:25-11:50 |
Experimental Study on Communication Parameter Control for LPWA Network using Radio Environment Monitoring |
Hiroaki Sudo, Kazuhiro Kosaka, Akihiko Odani, Noriyuki Gejoh, Takeshi Yasunaga (Panasonic) |
(3) RCS |
11:50-12:15 |
Two-Stage Precoding with Null-Steering for Spectrum Sharing between HAPS and Terrestrial Systems |
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) |
|
12:15-13:15 |
Lunch ( 60 min. ) |
Thu, Aug 26 PM Invited Talk (RCS) 13:15 - 14:05 |
(4) |
13:15-14:05 |
[Invited Talk]
Airbus support future connectivity by HAPS Zephyr |
Kazushige Hagiwara (Airbus) |
|
14:05-14:15 |
Break ( 10 min. ) |
Thu, Aug 26 PM Special Session 1 14:15 - 15:05 |
(5) |
14:15-14:40 |
[Special Talk]
Space Optical Communications
-- An overview of the world situation regarding space optical communication and R&D in JAXA -- |
Tomohiro Araki (JAXA) |
(6) |
14:40-15:05 |
[Special Talk]
R&D on IOWN Space Sensing and/or Radio Access Networks |
Fumihiro Yamashita (NTT) |
|
15:05-15:15 |
Break ( 10 min. ) |
Thu, Aug 26 PM Special Session 2 15:15 - 16:05 |
(7) |
15:15-15:40 |
[Invited Lecture]
Development of HAPS Backhaul System using mmWave Frequency
-- HAPS as a NTN System for 5G and Beyond -- |
Hiromu Kitanozoo, Jun Suzuki (SJC), Yoshihisa Kishiyama, Yuki Hokazono (NTT DOCOMO), Takayuki Sotoyama, Mikihiro Ouchi (Panasonic), Ryu Miura, Hiroyuki Tsuji (NICT) |
(8) |
15:40-16:05 |
[Invited Lecture]
Beyond 5G and 6G for extreme coverage extension: Non-Terrestrial Network trends and performance evaluation of HAPS |
Yuki Hokazono, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO INC.) |
|
16:05-16:15 |
Break ( 10 min. ) |
Thu, Aug 26 PM RCS2 16:15 - 17:30 |
(9) RCS |
16:15-16:40 |
BER of LDPC-Coded Single-Carrier LOS-MIMO Using FDE in 3GPP TDL Channel Models |
Aiki Hara, Kana Aono, Mamoru Sawahashi (Tokyo City Uviv.), Norifumi Kamiya (NEC) |
(10) RCS |
16:40-17:05 |
BLER Performance of Circular 256QAM Schemes Considering Cubic Metric for DFT-Precoded OFDM |
Yugo Sasaki, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO) |
(11) RCS |
17:05-17:30 |
Round Trip Time for Control Channel Multiplexing Using In-Band Full Duplex with Synchronous Orthogonal Sequence Assignment |
Mamoru Sawahashi, Fumiya Makishi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO) |
|
17:30-17:40 |
Break ( 10 min. ) |
Thu, Aug 26 PM SAT1 17:40 - 18:30 |
(12) SAT |
17:40-18:05 |
Performance evaluations of frequency offset compensation technique for user position detection system using unmanned aerial vehicles |
Akira Yamanaka, Hiroyasu Ishikawa (Nihon Univ.) |
(13) SAT |
18:05-18:30 |
Measurement of Off-Axis Radiation Power from NGSO Communication Satellite Operating in the Space |
Kazuyoshi Shogen, Susumu Nakazawa, Shoji Tanaka (B-SAT) |
Fri, Aug 27 AM SAT2 10:30 - 11:45 |
(14) SAT |
10:30-10:55 |
[Encouragement Talk]
The effects of upper air rain area velocities on the rain attenuation characteristics in satellite communications links |
Yasuyuki Maelawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) |
(15) SAT |
10:55-11:20 |
[Encouragement Talk]
Study on key-distillation system with adaptive polar codes in free-space quantum key distribution |
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) |
(16) SAT |
11:20-11:45 |
[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) |
|
11:45-12:45 |
Lunch ( 60 min. ) |
Fri, Aug 27 PM RCS3 12:45 - 14:00 |
(17) RCS |
12:45-13:10 |
Autonomous Distributed Offloading Probability Decision for Wireless Powered-MEC |
Takuya Kobayashi, Koichi Adachi (UEC) |
(18) RCS |
13:10-13:35 |
Prior Frequency Band Allocation for Spectrum Sharing based on Interference Distribution |
Bounpasith Chaleunsouk, Koichi Adachi (UEC) |
(19) RCS |
13:35-14:00 |
A Study on Intelligent Reflecting Surface (IRS) Aided Cell-Free Network
-- IRS Reflection Coefficients Optimization by Quantum Computing -- |
Takahiro Ohyama (PSNRD), Yuichi Kawamoto, Nei Kato (Tohoku Univ.) |
Fri, Aug 27 PM RCS (Express Session) 14:00 - 14:20 |
(20) RCS |
14:00-14:20 |
A study on Non-Coherent MIMO Codes Using the Property of Manifolds |
Tatsumi Konishi (Aichi Inst. of Tech.) |
|
14:20-14:30 |
Break ( 10 min. ) |
Fri, Aug 27 PM RCS4 14:30 - 16:10 |
(21) RCS |
14:30-14:55 |
Antenna Configuration and Robust Receiver Design for Scalable Cell-Free Massive MIMO with Capacity Limited Fronthaul |
Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Takumi Takahashi (Osaka Univ), Koji Ishibashi (UEC) |
(22) RCS |
14:55-15:20 |
Resource Allocation and Beamforming Design Considering User Fairness for Cell-Free Massive MIMO System with Dynamic TDD |
Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) |
(23) RCS |
15:20-15:45 |
Low-Complexity Robust Beamforming Design for Millimeter-Wave Communications with Random Blockage |
Sota Uchimura (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) |
(24) RCS |
15:45-16:10 |
Low Latency Beam-Sweeping for Millimeter-Wave Partially Connected Arrays |
Andre Saito Guerreiro (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) |
|
16:10-16:20 |
Break ( 10 min. ) |
Fri, Aug 27 PM SAT3 16:20 - 18:25 |
(25) SAT |
16:20-16:45 |
GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments |
Koichi Saito, Takatoshi Sugiyama (Kogakuin Univ) |
(26) SAT |
16:45-17:10 |
Adjacent Channel Interference Performances of Spectrum Suppressed Transmission Applied by Clipping |
Teppei Kanke, Takatoshi Sugiyama (Kogakuin Univ.) |
(27) SAT |
17:10-17:35 |
Calculated Distance Error Performances According to Receiver Allocations in Relay Type GPS Employing Drones |
Kouhei Yoshida, Takatoshi Sugiyama (Kogakuin Univ.) |
(28) SAT |
17:35-18:00 |
A Study of Adaptive Coding and Modulation Scheme suitable for Flexible Satellite Communication System |
Mitsugu Okawa, Hiromitsu Wakana, Amane Miura (NICT) |
(29) SAT |
18:00-18:25 |
Measurement on 39 GHz band radio propagation characteristics for coverage extension from the sky |
Yuki Hokazono, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO INC.), Tetsumi Takamori, Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT Corporation) |