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=============================================== Technical Committee on Radio Communication Systems (RCS) Chair: Eiji Okamoto (Nagoya Inst. of Tech.) Vice Chair: Fumiaki Maehara (Waseda Univ.), Toshihiko Nishimura (Hokkaido Univ.), Tomoya Tandai (Toshiba) Secretary: Osamu Muta (Kyushu Univ.), Kazushi Muraoka (NEC) Assistant: Koichi Adachi (Univ. of Electro-Comm.), Osamu Nakamura (Sharp), Manabu Sakai (Mitsubishi Electric), Masashi Iwabuchi (NTT), Tatsuki Okuyama (NTT DOCOMO) =============================================== Technical Committee on Antennas and Propagation (AP) Chair: Qiang Chen (Tohoku Univ.) Vice Chair: Satoru Kurokawa (AIST) Secretary: Takuji Arima (Tokyo Univ. of Agric. & Tech.), Koshiro Kitao (NTT DOCOMO) Assistant: Dr. Kim (Niigata Univ.) =============================================== Technical Committee on (UWT) Chair: Hiroshi Yoshida (JAMSTEC) Secretary: Nozomu Ishii (Niigata Univ.), Kenichi Takizawa (NICT) DATE: Wed, Nov 25, 2020 09:25 - 17:45 Thu, Nov 26, 2020 09:25 - 16:30 Fri, Nov 27, 2020 09:25 - 16:55 PLACE: TOPICS: Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. ---------------------------------------- Wed, Nov 25 AM RCS 1 (09:50 - 11:05) Chair: Toshihiko Nishimura (Hokkaido Univ.) ---------------------------------------- (1)/RCS 09:50 - 10:15 Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) (2)/RCS 10:15 - 10:40 A Study on Joint Channel and Data Estimation via Belief Propagation for Correlated Large MIMO Systems Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) (3)/RCS 10:40 - 11:05 Superposition Coding-Based Non-orthogonal HARQ with Adaptive Power Allocation Using Multistage Decision Hironobu Onaya, Kenichi Higuchi (Tokyo Univ. of Science) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Nov 25 AM RCS 2 (11:20 - 12:35) Chair: Kazuki Maruta (Tokyo Institute of Tech.) ---------------------------------------- (4)/RCS 11:20 - 11:45 Investigation of Preamble Design Appropriate for Random Access Achieving Multi-Packet Reception Kou Watanuki, Kenichi Higuchi (Tokyo Univ. of Science) (5)/RCS 11:45 - 12:10 Physical Cell ID Detection Using Joint Estimation of Frequency Offset and SSS Sequence for NR Initial Access Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) (6)/RCS 12:10 - 12:35 Radio Frame Timing Detection Method in Multipath Fading Channels for NR Initial Access Kyogo Ota, Daisuke Inoue, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) ----- Break ( 80 min. ) ----- ---------------------------------------- Wed, Nov 25 AM AP 1 (09:25 - 11:05) Chair: Takuji Arima (Tokyo Univ. of Agric. & Tech.) ---------------------------------------- (7)/AP 09:25 - 09:50 Mantle Cloak Antenna by Controlling Surface Reactance of Dielectric Loaded Dipole Antenna Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) (8)/AP 09:50 - 10:15 Feasibility Study on widening of the bandwidth and Short-Circuit plate of MACKEY S1 type Toshiki Tamura, Shigeru Makino, Kenji Itoh (KIT) (9)/AP 10:15 - 10:40 Grid-loaded Step Reflector Antenna with Coaxial-Mode Excitation Shin-ichi Yamamoto, Shuji Nuimura, Michio Takikawa (Mitsubishi Electric Corp.) (10)/AP 10:40 - 11:05 Reflectarray antenna radiating shaped-beam using simple evaluation method Sanshiro Shigemitsu, Mei Fukaya, Shigeru Makino (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Nov 25 AM AP 2 (11:20 - 12:35) Chair: Naobumi Michishita (National Defense Academy) ---------------------------------------- (11)/AP 11:20 - 11:45 A Study on Transmit and Receive Time-Modulated Array Using Phase Shifters Kazunari Kihira, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Corp.) (12)/AP 11:45 - 12:10 Study of spacing between resonating elements for high efficiency and low sidelobes Shota Takino, Shigeru Makino, Mei Fukaya, Sanshiro Shigemitsu (KIT), Michio Takikawa, Hiromasa Nakajima (MELCO) (13)/AP 12:10 - 12:35 Broadband High-gain Beam-scanning Phased Lens Arrays in 300GHz band Kunio Sakakibara, Akira Yamano, Naoya Toshida, Daichi Takeshima, Ryota Ishihara, Shota Mariyama, Henry Diawuo Abu, Rohani Baker, Yoshiki Sugimoto, Nobuyoshi Kikuma (NITech), Yoshihide Yamada (UTM-MJIIT), Nurul Huda Abd Rahman (UiTM) ----- Break ( 45 min. ) ----- ---------------------------------------- Wed, Nov 25 PM RCS 3 (13:55 - 15:10) Chair: Takayuki Nakagawa (NHK) ---------------------------------------- (14)/RCS 13:55 - 14:20 Phase Noise Compensation Using LMS Algorithm and PLL for FDE in SISO Channels Kana Aono, Mamoru Sawahashi (Tokyo City Univ.) (15)/RCS 14:20 - 14:45 Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells Junya Tani, Kenichi Higuchi (Tokyo Univ. of Science) (16)/RCS 14:45 - 15:10 A Study on Frequency Co-use in 3D Cell Structure consisting of Ground and Sky Cells by using Beamforming Shin Kitta, Teruya Fujii (Titech) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Nov 25 PM (13:20 - 15:10) Chair: Naoki Honma (Iwate Univ.) ---------------------------------------- (17) 13:20 - 13:40 (18) 13:40 - 14:00 (19) 14:00 - 14:20 (20) 14:20 - 14:40 ----- Break ( 5 min. ) ----- (21) 14:45 - 15:10 ---------------------------------------- Wed, Nov 25 PM (15:25 - 16:40) Chair: Kentaro Nishimori (Niigata Univ.) ---------------------------------------- (22) 15:25 - 15:50 [Invited Lecture] Display-Camera Visible Light Communication Systems Using Rolling Shutter Hiraku Okada (Nagoya Univ.), Kentaro Kobayashi (Meijo Univ.), Tadahiro Wada (Shizuoka Univ.) (23) 15:50 - 16:15 [Invited Lecture] Illumination-light communications using visual-secret-sharing scheme Hiromasa Habuchi, Yusuke Kozawa, Keisuke Manaka (Ibaraki Univ.) (24) 16:15 - 16:40 [Invited Lecture] Spatially Parallel Signal Transmission in LED Visible Light Wireless Communications Shigeru Tomisato, Satoshi Denno, Kazuhiro Uehara (Okayama Univ.) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Nov 25 PM (16:55 - 17:45) Chair: Qiang Chen (Tohoku Univ.) ---------------------------------------- (25) 16:55 - 17:45 ---------------------------------------- Thu, Nov 26 AM (09:25 - 10:40) Chair: Minseok Kim (Niigata Univ.) ---------------------------------------- (26) 09:25 - 09:50 How does underwater antenna work in salty water by applying an electromagnetic field Hiroshi Yoshida (JAMSTEC), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.) (27) 09:50 - 10:15 Acceleration of Numerical Integration of Electric Field Specialized for Shallow Sea Position Estimation Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) (28) 10:15 - 10:40 Verification of Undersea Position Estimation Method Using Received Power Profile at Multiple Sea Surface Positions by Experimental Pseudo Scale Model Ryota Sase, Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Nov 26 AM (10:55 - 12:10) Chair: Fumiaki Maebara (Waseda Univ.) ---------------------------------------- (29) 10:55 - 11:20 (30) 11:20 - 11:45 [Invited Lecture] Adaptive digital down-conversion for underwater acoustic communication Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC) (31) 11:45 - 12:10 [Invited Lecture] Undersea optical wireless communication technology and its expansion to novel networks Takahiro Kodama (Kagawa Univ.), Yoshiaki Inoue (Osaka Univ.), Tomotaka Kimura (Doshisya Univ.) ----- Break ( 55 min. ) ----- ---------------------------------------- Thu, Nov 26 PM (13:05 - 13:55) Chair: Eiji Okamoto (Nagoya Inst. of Tech.) ---------------------------------------- (32) 13:05 - 13:55 [Invited Talk] Prospects of visible light communications for society 5.0 Saeko Oshiba (KIT) ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Nov 26 PM (14:10 - 15:00) Chair: Hiroyuki Deguchi (Doshisya Univ.) ---------------------------------------- (33)/AP 14:10 - 15:00 [Special Talk] Error sensitivity on axial ratio evaluation using complex polarization ratio, and its intuitive indication on Poincaré sphere representation Izuru Naito (NIT, Niihama College) ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Nov 26 PM (15:15 - 16:30) Chair: Satoshi Denno (Okayama Univ.) ---------------------------------------- (34)/RCS 15:15 - 15:40 Stochastic Geometry Analysis of Probability and Autocorrelation of Human Blockage in mmWave Communications Koji Yamamoto (Kyoto Univ.), Chun-hsiang Huang, Yushi Shirato, Daisei Uchida, Naoki Kita (NTT) (35)/RCS 15:40 - 16:05 Measures result and simulation evaluation of 45GHz band millimeter wave propagation characteristics in the curve section of railway Yoshihiro Matsumura, Tomoyuki Tange, Takeshi Nishiyama (JR-Central.), Hiroyuki Igura, Tomoki Arakawa (NEC), Kouki Iwamoto, Kazuki Nakamura (RTRI), Yukitoshi Sanada (Keio Univ.) (36)/RCS 16:05 - 16:30 A Study on Channel State Information Selection for Wireless LAN-based Object Detection Systems Hiroki Senji, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT) ---------------------------------------- Fri, Nov 27 AM (09:25 - 10:40) Chair: Tomoya Tandai (Toshiba) ---------------------------------------- (37) 09:25 - 09:50 Differential OFDM Employing Joint Detection for Underwater Acoustic Communications Hiroshi Kubo, Yuka Tanaka, Yui Nakai, Tetsuro Kubo, Haruka Toyota, Yoshitaka Yamamoto, Kouki Toyoda (Ritsumeikan Univ.) (38) 09:50 - 10:15 A Feasibility Study of Mbps-Class Underwater Acoustic MIMO Transmission Hiroyuki Fukumoto, Yosuke Fujino, Marina Nakano, Miharu Oiwa, Toshimitsu Tsubaki, Yuuya Itou (NTT) (39) 10:15 - 10:40 A study of higher-order Doppler compensation using accelerometer for underwater acoustic communication Miharu Oiwa, Toshimitsu Tsubaki, Hiroyuki Fukumoto, Yoske Fujino, Marina Nakano, Yuya Ito (NTT) ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Nov 27 AM (10:55 - 12:10) Chair: Masaharu Imaki (Mitsubishi Electric) ---------------------------------------- (40)/UWT 10:55 - 11:20 Investigation of Proximity Effect on Wireless Power Transfer in Seawater Michihiro Iwamatsu, Yoshihiro Shimazaki, Mamiko Inamori (Tokai Univ.) (41)/UWT 11:20 - 11:45 Undersea optical wireless power transmission method using light beam -- Features, technologies, and issues -- Tomoyuki Miyamoto (Tokyo Tech) (42)/UWT 11:45 - 12:10 Fundamental examination of technology of underwater multi-stages contact-less power and signal transfer Junya Ishiwata, Tomoya Inoue (JAMSTEC), Ikuo Awai (Ryutech) ----- Break ( 55 min. ) ----- ---------------------------------------- Fri, Nov 27 PM (13:05 - 13:55) Chair: Hiroshi Yoshida (JAMSTEC) ---------------------------------------- (43)/UWT 13:05 - 13:55 A Study on Underwater Wireless Power Transfer System for Sending kW Class Large Power to AUV Yoshio Koyanagi, Ryosuke Hasaba, Kazuhiro Eguchi, Shuichiro Yamaguchi, Tatsuo Yagi, Souichi Kawata, Katsuya Okamoto (Panasonic) ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Nov 27 PM (14:10 - 15:00) Chair: Mamiko Inamori (Tokai Univ.) ---------------------------------------- (44)/UWT 14:10 - 14:35 Underground Wireless Communication System using low frequency radio waves Keisuke Iwanami (SAKATA DENKI) (45)/UWT 14:35 - 15:00 Introduction of test equipment and test examples tomoki murayama, katsuzi katsumata (OST) ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Nov 27 PM (15:15 - 16:55) Chair: Koshiro Kitao (NTT DOCOMO) ---------------------------------------- (46)/AP 15:15 - 15:40 Over-The-Air Apparatus for Large-Scale MIMO Antennas to Create the Full-Rank Channel Matrix Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) (47)/AP 15:40 - 16:05 A Study of Indoor Propagation Analysis Using the FDTD Method Yuya Arakawa, Hiro Shimada, Toshiyuki Maeyama (Takushoku Univ.), Naotake Yamamoto, Tetsuya Hishikawa (Panasonic), Kentaro Saito, Jun-ichi Takada (Tokyo Tech) (48)/AP 16:05 - 16:30 Human Blockage Loss Characteristics of 5 GHz in A Crowded Stadium Motoharu Sasaki, Toshiro Nakahira, Keisuke Wakao, Takatsune Moriyama (NTT) (49)/AP 16:30 - 16:55 Performance Evaluation Using Millimeter-Wave Intra-Cluster Channel Model for Indoor Access Links Hajime Shimbo, Satoshi Yamakawa, Satoru Kishimoto, Minseok Kim (Niigata Univ.) # Information for speakers General Talk (RCS) will have 18 minutes for presentation and 7 minutes for discussion. General Talk (AP) will have 20 minutes for presentation and 5 minutes for discussion. Invited Lecture will have 20 minutes for presentation and 5 minutes for discussion. Invited Talk will have 45 minutes for presentation and 5 minutes for discussion. Tutorial Lecture will have 45 minutes for presentation and 5 minutes for discussion. Special Talk will have 45 minutes for presentation and 5 minutes for discussion. === Technical Committee on Radio Communication Systems (RCS) === # FUTURE SCHEDULE: Thu, Dec 17, 2020 - Fri, Dec 18, 2020: Online [Wed, Oct 14], Topics: Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. Thu, Jan 21, 2021 - Fri, Jan 22, 2021: Online [Sat, Nov 16] # SECRETARY: Masashi Iwabuchi (NTT) E-mail:r  _ -    === Technical Committee on Antennas and Propagation (AP) === # FUTURE SCHEDULE: Thu, Dec 10, 2020: Nobumoto Ohama Memorial Hall [Mon, Nov 16], Topics: AMT Thu, Dec 17, 2020: Online [Thu, Oct 15], Topics: Antennas and Propagation Thu, Jan 21, 2021 - Fri, Jan 22, 2021: Online [Mon, Nov 16] Thu, Feb 18, 2021 - Fri, Feb 19, 2021: Online [Tue, Dec 15], Topics: Industrial Session, Antennas and Propagation # SECRETARY: Takuji Arima (Tokyo Univ. Agri. Tech.) E-mail:  _- c  ry=== Technical Committee on (UWT) === # SECRETARY: Nozomu Ishii(Niigata Univ.), Kenichi Takizawa(NICT) E-mail:uwt-  n Last modified: 2020-11-19 13:57:21 |
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