Thu, Aug 31 AM SAT1
09:00 - 10:15 |
(1)
SAT |
09:00-09:25 |
CRDSA/IRSA Based Transmission Control Considering Available Channels Difference and Fairness among Terminals in Satellite IoT Systems |
Kansuke Kumazawa, Hiraku Okada (Nagoya Univ.), Munehiro Matsui, Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita (NTT), Masaaki Katayama (Nagoya Univ.) |
(2)
SAT |
09:25-09:50 |
Capacity Evaluation for IoT Terminals in LEO Satellite IoT Platform Using Receiver Beamforming with Doppler Rate Compensation |
Kazumitsu Sakamoto, Masaki Takahashi, Kouhei Suzaki, Yosuke Fujino, Kenji Suzuki, Yasuyoshi Kojima, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) |
(3)
SAT |
09:50-10:15 |
Improving Performance of LDM Transmission against Non-linear Distortion in Satellite Broadcasting System
-- Decoding Method of LL Signal with Pilot Signals -- |
Yuki Koizumi, Masaaki Kojima, Masashi Kamei (NHK) |
| |
10:15-10:30 |
Break ( 15 min. ) |
Thu, Aug 31 AM RCS1
Chair: Osamu Nakamura (Sharp)
10:30 - 11:45 |
(4)
RCS |
10:30-10:55 |
Enhancing CSI Feedback in FDD Massive MIMO Systems using Dropout-based Deep Neural Network |
Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT) |
(5)
RCS |
10:55-11:20 |
A study on source data and decoder of multitask CSI feedback method in FDD Massive MIMO |
Mayuko Inoue, Tomoaki Ohtsuki (Keio Univ.) |
(6)
RCS |
11:20-11:45 |
Null Spatial Expansion for Low-Complexity Block Diagonalization-based Multiuser Massive MIMO |
Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Kabuto Arai (UEC) |
Thu, Aug 31 AM
Chair: Yukitoshi Sanada (Keio Univ.)
09:00 - 10:15 |
(7)
RCS |
09:00-09:25 |
Error performance analysis of MIMO communications using manifold properties |
Tatsumi Konishi, Naotaka Miyaji (Aichi. Inst. of Tech.) |
(8)
RCS |
09:25-09:50 |
Performance of Hybrid Multiple Access Scheme Employing Multiple Transmit Antennas Under Non-uniform User Distribution |
Nozomi Sasaki, Fuga Tanaka, Shuhei Saito, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) |
(9)
RCS |
09:50-10:15 |
A study on bit error rate for Zero-forcing THP MIMO communication systems using QR decomposition with greedy permutation |
Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka Metropolitan Univ.) |
| |
11:45-12:45 |
Lunch Break ( 60 min. ) |
Thu, Aug 31 PM
Chair: Naoto Ishii (NEC)
12:45 - 14:00 |
| (10) |
12:45-13:10 |
[Invited Lecture]
Vehicular-to-Vehicular Communication System for UAV Collision Avoidance and Formation Flight |
Lin Shan, Ryu Miura, Takashi Mastuda, Miho Koshikawa, Huan-Bang Li, Takeshi Matsumura (NICT) |
| (11) |
13:10-13:35 |
[Invited Lecture]
Nullforming and Coordination Techniques for Spectrum Sharing between High-Altitude Platforms and Terrestrial Networks |
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) |
| (12) |
13:35-14:00 |
[Invited Lecture]
Research and Development for Realizing Space-Air-Ground Integrated Networks |
Yuichi Kawamoto (Tohoku Univ.) |
| |
14:00-14:15 |
Break ( 15 min. ) |
Thu, Aug 31 PM
Chair: Osamu Muta (Kyushu Univ.)
14:15 - 15:05 |
| (13) |
14:15-15:05 |
[Invited Talk]
Reception of radiowave broadcast from quasi-zenith satellite Michibiki |
Satoshi Takahashi (Hiroshima City Univ.) |
| |
15:05-15:20 |
Break ( 15 min. ) |
Thu, Aug 31 PM
15:20 - 16:45 |
| (14) |
15:20-15:30 |
|
(15)
SAT |
15:30-15:55 |
[Encouragement Talk]
Two-Way Transmission Technology Using HAPS Relay Station in Space-Air-Ground Integrated Networks and Future Prospects |
Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) |
(16)
SAT |
15:55-16:20 |
[Encouragement Talk]
Seasonal Performance Comparison of Ground-to-Satellite Optical Communication Using LUCAS Onboard the Optical Data Relay Satellite |
Hideaki Kotake, Yuma Abe, Yasuhiro Takahashi, Go Otsuru, Tomoshige Kan, Dimitar Kolev, Yoshihiko Saito (NICT), Yohei Sato, Takamasa Itahashi, Shiro Yamakawa (JAXA), Hiroyuki Tsuji, Morio Toyoshima (NICT) |
(17)
SAT |
16:20-16:45 |
[Encouragement Talk]
Comparative study of channel coding methods for performance improvement in next-generation optical satellite data relay system |
Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) |
| |
16:45-17:00 |
Break ( 15 min. ) |
Thu, Aug 31 PM
Chair: Tatsumi Konishi (Aichi. Inst. of Tech)
17:00 - 18:15 |
(18)
RCS |
17:00-17:25 |
Evaluation of Throughput Performance of Multi-Link Operation Considering Packet Length of Interfering Systems |
Hideya So (SIT), Kotaro Nagano, Hanae Otani, Hirantha Abeysekera, Yusuke Asai (NTT) |
(19)
RCS |
17:25-17:50 |
A ProtPrototyptype of Equipment t that cancels Interference from 5G Base Stations to Satellite Ground Stations |
Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) |
(20)
RCS |
17:50-18:15 |
Infrastructure Sharing among Multi-Mobile Network Operator for Intelligent Reflecting Surface-aided Communications |
Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) |
Thu, Aug 31 PM
Chair: Koichi Adachi (Univ. of Electro-Comm)
17:00 - 17:50 |
(21)
RCS |
17:00-17:25 |
Iterative Maximum Likelihood Detection Schemes for Faster-Than-Nyquist Signals |
Zhengjun Qian, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) |
(22)
RCS |
17:25-17:50 |
Resource Management using Reinforcement Learning for V2X Communications to Support Autonomous Driving |
Yun Li, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) |
Fri, Sep 1 AM
Chair: Fumiaki Maehara (Waseda Univ.)
09:00 - 10:15 |
(23)
RCS |
09:00-09:25 |
K-Means-Aided Particle Swarm Optimization for Antenna Control in Multi-Cell HAPS System |
Wei Dai, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki (Keio.) |
(24)
RCS |
09:25-09:50 |
A Study on Channel Response Estimation of Neighboring Cell Terminals using SRS in 3D Spatial Cell Configuration for Mobile Communications |
Takuya Kaneda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) |
(25)
RCS |
09:50-10:15 |
Virtual Cell MU-MIMO Canceller Coordinating Base Stations in TDD Transmission
-- Eigenmode transmission without feedback of transmit and receive weights -- |
Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) |
| |
10:15-10:30 |
Break ( 15 min. ) |
Fri, Sep 1 AM
10:30 - 11:20 |
| (26) |
10:30-10:55 |
[Invited Lecture]
A standardization Trend of NTN in 3GPP |
Akihiko Nishio (Panasonic Holdings) |
| (27) |
10:55-11:20 |
[Invited Lecture]
Global Trends in Space Optical Communications and Its Standardization |
Tomohiro Araki (JAXA) |
| |
11:20-12:35 |
Lunch Break ( 75 min. ) |
Fri, Sep 1 PM
12:35 - 13:25 |
| (28) |
12:35-13:25 |
[Special Talk]
Current Status and Challenges of Non-Terrestrial Networks in the Beyond 5G/6G Era |
Hiroyuki Tsuji (NICT) |
| |
13:25-13:40 |
Break ( 15 min. ) |
Fri, Sep 1 PM
Chair: Yuichi Miyaji (Aichi inst. of Tech.)
13:40 - 14:55 |
(29)
RCS |
13:40-14:05 |
Signal design of polar coded downlink NOMA satellite communication considering PAPR constraints |
Keita Ito, Yuto Hama, Hideki Ochiai (YNU) |
(30)
RCS |
14:05-14:30 |
Physical-layer Cell ID Detection Probability in the Presence of Carrier Frequency Offset in NR TN and NTN Channel Models |
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) |
(31)
RCS |
14:30-14:55 |
Power Control Method for O-RAN Base Stations Utilizing Data Analytics of Number of Mobile Users and Non-Terrestrial Networks |
Takaya Miyazawa, Kentaro Ishizu, Hitoshi Asaeda, Hiroyuki Tsuji, Hiroaki Harai (NICT) |
| |
14:55-15:10 |
Break ( 15 min. ) |
Fri, Sep 1 PM
15:10 - 16:00 |
(32)
SAT |
15:10-15:35 |
Research of Satellite based QKD for Global Quantum Cryptographic Network Construction |
Takahiro Akiyama, Segawa Tetsuya, Yamazaki Masaya, Nemoto Kazuya (SJC) |
(33)
SAT |
15:35-16:00 |
Feasibility Study of Physical-Layer Cryptography and Line-of-Sight Quantum Key Distribution over GEO-Ground Links based on Link Budget Calculation |
Hiroyuki Endo, Masahide Sasaki, Mikio Fujiwara (NICT) |
Fri, Sep 1 PM
Chair: Kazuto Yano (ATR)
13:40 - 14:55 |
(34)
RCS |
13:40-14:05 |
SB-SPS Resource Management Scheme to reduce transmission delay for Relay Transmissions in Platooning with Sidelink Communications |
Kohei Murata, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie Univ) |
(35)
RCS |
14:05-14:30 |
Study on eMBB and URLLC V2X communication using Multi-Beam and Fountain Code |
Shintaro Habu, Kei Sakaguchi, Tran Gia Khanh (Tokyo Tech) |
(36)
RCS |
14:30-14:55 |
5G Experimental Trial Using Autonomous Mobile Robots at a Manufacturing Site |
Atsuya Nakamura, Satoshi Suyama, Takayuki Yamada (NTT DOCOMO), Shinji Kobayashi, Hiroaki Yamada (OMRON), Goro Ikeda (Nokia) |
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