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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 1204  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2024-04-26
09:55
Hiroshima
(Primary: On-site, Secondary: Online)
Dimensionality Reduction of Interference Subspace on Simplified Null-Space Expansion for Massive MIMO
Soya Nakamura, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) RCS2024-7
(To be available after the conference date) [more] RCS2024-7
pp.32-37
CAS, CS 2024-03-14
13:30
Okinawa   Characterization of Semantic Communications in Speech Signal Transmission
Futo Iwanaga, Daisuke Umehara (Kyoto Inst. of Tech.) CAS2023-118 CS2023-111
In recent years, the volume of data in data communication has surged, Characterization of Semantic Communications in Spe... [more] CAS2023-118 CS2023-111
pp.41-46
PN 2024-03-15
16:10
Kagoshima
(Primary: On-site, Secondary: Online)
A Study of Coherent Downstream Transmission of Adaptive Polarization and IQ Multiplexed Signals with Asymmetric Number of Signal Points and Amplitude
Yuika Mori, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2023-92
We have already reported downlink transmission using IQ multiplexed 4ASK signals with power loading for the difference i... [more] PN2023-92
pp.127-130
RCC, ISEC, IT, WBS 2024-03-13
10:05
Osaka Osaka Univ. (Suita Campus) A study of transmitter optical color selection for Underwater SLIPT system using Power Splitting receiver
Honoka Yoshinaga, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) IT2023-80 ISEC2023-79 WBS2023-68 RCC2023-62
In recent years, underwater simultaneous light wave information and power transfer (USLIPT) system has attracted attenti... [more] IT2023-80 ISEC2023-79 WBS2023-68 RCC2023-62
pp.32-37
WPT 2024-03-14
16:00
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Challenges in Constructing Platform for Under-water Wireless Power Transfer Systems
Ikuo Awai (Fuji Waves), Ryohei Murakami, Shunsuke Hino, Masayuki Okamoto (NITUC) WPT2023-44
A Trial to enlarge the coupling coefficient of an electric coupling WPT system utilizing the large permittivity of water... [more] WPT2023-44
pp.49-54
RCS, SR, SRW
(Joint)
2024-03-13
10:55
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
Proposal of WLAN System Using Virtual Dedicated Channel Scheme to Improve Maximum Throughput Transmission Opportunities
Shunsuke Tsutsumi, Yusuke Hirano, Shinichi Miyamoto (Wakayama Univ.) SRW2023-48
In IEEE 802.11 wireless LAN, which uses unlicensed spectrum, standardization activities are being conducted to achieve e... [more] SRW2023-48
pp.19-24
RCS, SR, SRW
(Joint)
2024-03-13
13:00
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
Effects of the Doppler shift on synchronization in underwater acoustic communication
Mitsuyasu Deguchi, Yukihiro Kida, Yoshitaka Watanabe, Takuya Shimura (JAMSTEC) RCS2023-259
In underwater acoustic communication, the Doppler shifts can degrade demodulation performance more severely than that in... [more] RCS2023-259
pp.30-35
RCS, SR, SRW
(Joint)
2024-03-13
14:15
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
A Simple Channel Simulator and a Simple Channel Parameter Evaluation Scheme for Shalloiw Sea Environment of Underwater Acoustic Communications
Kouichi Hashimoto, Eiji Arita, Takaaki Shimomura, Ayano Kunimatsu, Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.) RCS2023-262
This paper proposes a simple pass-band channel simulator and a simple channel parameter evaluation scheme for underwater... [more] RCS2023-262
pp.48-53
RCS, SR, SRW
(Joint)
2024-03-13
17:05
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
CRDSA/IRSA Based Adaptive Transmission Control Considering Available Channels Difference among Terminals in Satellite IoT Systems
Kansuke Kumazawa, Hiraku Okada (Nagoya Univ.), Koyo Tategami, Daisuke Goto, Munehiro Matsui, Kiyohiko Itokawa, Fumihiro Yamashita (NTT), Masaaki Katayama (Nagoya Univ.) RCS2023-268
In a satellite IoT system using a 920-MHz band LPWA, each terminal's available channel differs, and the number of packet... [more] RCS2023-268
pp.83-88
RCS, SR, SRW
(Joint)
2024-03-13
15:00
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
[Invited Talk] Research and Development of Self-Managed Wireless Networks Using Drones in Mountainous Areas
Hiraku Okada (Nagoya Univ.) SRW2023-56
This paper introduces research and development of self-managed wireless networks using drones in mountainous areas.
To ... [more]
SRW2023-56
pp.53-58
RCS, SR, SRW
(Joint)
2024-03-14
10:15
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
[Short Paper] A Study on Time Variable Prediction using Packet Capture Data Acquired by Inexpensive Devices
Ayuka Morishige, Hideya So (SIT) SR2023-96
To improve spectrum utilization efficiency, spectrum sharing access has been considered in which multiple wireless syste... [more] SR2023-96
pp.46-48
RCS, SR, SRW
(Joint)
2024-03-15
13:50
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2023-287
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] RCS2023-287
pp.146-151
RCS, SR, SRW
(Joint)
2024-03-15
14:15
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Considerations on Computational Complexity Reduction in Channel Prediction Based on Multipath Separation for Sub-THz-Band Communications
Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Takeo Ohgane (Hokkaido Univ.) RCS2023-288
In sixth-generation mobile communications, a sub-THz band will be used for extreme high-data rate communication. Because... [more] RCS2023-288
pp.152-157
NS, IN
(Joint)
2024-03-01
13:00
Okinawa Okinawa Convention Center Experimental comparison of Multi-hop channels and Relayer Aggrigation in inter-blockchain communication time
Takaaki Yanagihara, Akihiro Fujihara (CIT) NS2023-220
When exchanging information across multiple blockchains (BCs) using Cosmos IBCs, it is necessary to perform IBCs for eac... [more] NS2023-220
pp.282-287
UWT
(2nd)
2024-01-29
13:00
Tokyo Tokai University Shinagawa Campus
(Primary: On-site, Secondary: Online)
Underwater Acoustic Channel Environment Evaluation Employing a Simple Doubly-Selective Shallow Sea Channel Model
Ayano Kunimatsu, Takaaki Shimomura, Kouichi Hashimoto, Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.)
This paper derives channel parameters in severe doubly-selective underwater acoustic channel environments, assuming hori... [more]
UWT
(2nd)
2024-01-29
13:25
Tokyo Tokai University Shinagawa Campus
(Primary: On-site, Secondary: Online)
Wideband Differential OFDM for Acoustic Communications on Wideband Acoustic Channel Measurement
Takaaki Shimomura, Kouichi Hashimoto, Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.)
Acoustic communications, e.g., underwater acoustic communications and terrestrial acoustic communications, generally use... [more]
UWT
(2nd)
2024-01-29
13:50
Tokyo Tokai University Shinagawa Campus
(Primary: On-site, Secondary: Online)
OFDM transmisson method using Table Selection for Underwater Acoustic Communications
Takumi Yoshimura, Taichi Fujita, Hiroshi Kubo (Ritumeikan Univ.)
Underwater acoustic communications (UWAC) suffer from double selectivity, where doubly-selective channels suffer from se... [more]
UWT
(2nd)
2024-01-29
14:15
Tokyo Tokai University Shinagawa Campus
(Primary: On-site, Secondary: Online)
Shallow-Water Experimental Evaluation of Differential OFDM Software MODEMs for Underwater Acoustic Communications
Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura, Hiroshi Kubo (Ritsumeikan Univ.)
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more]
NC, MBE, NLP, MICT
(Joint) [detail]
2024-01-24
15:30
Tokushima Naruto University of Education NLP2023-92 MICT2023-47 MBE2023-38 We have been measuring heart rate using mm-wave FMCW radar. Our used radar module had a 3Tx-4Rx multiple-input multiple-... [more] NLP2023-92 MICT2023-47 MBE2023-38
pp.46-51
EMT, PN, MWPTHz, IEE-EMT [detail] 2024-01-23
10:55
Kyoto Kyoto Univ. Yoshida Campus 300GHz Wireless Unit
Arata Ogaki (Waseda Univ.), Masataka Sugiyama (SED), Kunihisa Jitsuno (Waseda univ.), Tetsuya Kawanishi (Waseda Univ.) PN2023-60 EMT2023-100 MWPTHz2023-88
This paper describes a 300 GHz band wireless unit under development. The wireless unit is designed for bi-directional co... [more] PN2023-60 EMT2023-100 MWPTHz2023-88
pp.70-73
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