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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 748  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2024-03-15
10:15
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Research on wireless transmission technology at universities and high frequency bands
Hidekazu Murata (Yamaguchi Univ.) RCS2023-283 SR2023-106 SRW2023-70
Mobile communication systems have evolved to higher frequency bands with each successive generation. High-speed wireless... [more] RCS2023-283 SR2023-106 SRW2023-70
p.132(RCS), p.64(SR), p.97(SRW)
PRMU, IBISML, IPSJ-CVIM 2024-03-03
15:00
Hiroshima Hiroshima Univ. Higashi-Hiroshima campus
(Primary: On-site, Secondary: Online)
Learning VQ-VAE for Image Dimensionality Reduction with Spatial Frequency Loss
Naoyuki Ichimura (AIST) PRMU2023-60
Vector Quantized-Variational AutoEncoders (VQ-VAEs) are a type of deep neural networks designed to learn an approximate ... [more] PRMU2023-60
pp.53-58
MW 2024-02-29
11:20
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
Terahertz wave receiving circuit that realizes stable reception by following changes in transmission/reception distance
Ryuji Naitou, Yasuaki Monnai (UTokyo) MW2023-177
In a homodyne detection circuit consisting of only one mixer, the detection output depends on the phase of RF and LO, so... [more] MW2023-177
pp.15-20
SIP, SP, EA, IPSJ-SLP [detail] 2024-02-29
16:45
Okinawa
(Primary: On-site, Secondary: Online)
Multiple Lag Window Pairs for Estimation of Fundamental Frequency and Periodicity Measure
Michiki Koshimori (UEC), Shigeki Sagayama (UTokyo/UEC), Toru Nakashika (UEC) EA2023-75 SIP2023-122 SP2023-57
Extending the main concept of modified autocorrelation method in LPC, we investigate lag windows, lag window pairs, and ... [more] EA2023-75 SIP2023-122 SP2023-57
pp.85-90
MW 2024-03-01
09:00
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
An Anti-parallel Diode 100GHz GaN Frequency Tripler for Beyond 5G Using Terahertz Band
Shimpei Yamashita, Yoshifumi Kawamura, Keigo Nakatani, Yoshitaka Kamo, Koji Yamanaka (MELCO) MW2023-186
In this report, we present an anti-parallel diode frequency tripler GaN MMIC for the 100GHz band, which utilizes the ter... [more] MW2023-186
pp.62-65
SAT, SANE
(Joint)
2024-02-09
09:30
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
Development of Pseudo-Satellite Station for Ground Testing of ETS-9
Byeongpyo Jeong, Makio Tsuchiya, Nobuhito Taniuchi, Takashi Takahashi, Amane Miura, Hiroyuki Tsuji (NICT) SAT2023-68
NICT is conducting R & D on next-generation broadband satellite communications technology. By establishing control techn... [more] SAT2023-68
pp.51-54
EST 2024-01-26
14:25
Kyoto Kyoto University ROHM Plaza
(Primary: On-site, Secondary: Online)
Application of electron density identification by VLF wave variations to realistic ionosphere model
Toshiyuki Irie, Yoshiaki Ando (UEC) EST2023-119
The identification method of electron density distribution is proposed. The method utilizes temporal variation of the ve... [more] EST2023-119
pp.112-116
EMT, PN, MWPTHz, IEE-EMT [detail] 2024-01-23
12:50
Kyoto Kyoto Univ. Yoshida Campus Multiple-Parallel Interference Optical Modulators Based on Multi-Branched MMI Optical Couplers
Shotaro Yasumori, Keita Morimoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Kouichi Akahane (NICT) PN2023-61 EMT2023-101 MWPTHz2023-89
Multiple-parallel interference optical modulators, where multiple phase-modulated lightwaves are directly interfered wit... [more] PN2023-61 EMT2023-101 MWPTHz2023-89
pp.74-77
SANE 2024-01-19
15:15
Miyagi
(Primary: On-site, Secondary: Online)
Development of 24-GHz Band Stepped Multiple Frequency Complementary Phase Code Radar for Traffic Infrastructure System
Hikaru Tsubota (Kyosan Electric Manufacturing), Takayuki Inaba (Inaba Radar Technology Laboratory), Tomonori Itagaki (Kyosan Electric Manufacturing) SANE2023-101
In transportation system, there is a need to develop advanced infrastructure systems to decarbonize, conserve energy, an... [more] SANE2023-101
pp.63-68
ITS, WBS, RCC 2023-12-21
15:40
Okinawa
(Primary: On-site, Secondary: Online)
Consideration of detection method combining beat frequency and correlation for ranging in LoRa systems
Shoji Natsumi, Ono Kouhei (Meiji Univ) WBS2023-46 ITS2023-29 RCC2023-40
This paper discusses a ranging scheme using LoRa that uses narrower bandwidth chirp signal for finding lost objects in i... [more] WBS2023-46 ITS2023-29 RCC2023-40
pp.92-97
ITS, WBS, RCC 2023-12-22
10:55
Okinawa
(Primary: On-site, Secondary: Online)
Experimental Evaluation of the Pre-coded Windowed OFDM using SDR under multipath environment
Masataka Kamigaito, Hirochika Tsujimoto, Kohei Ohno (Meiji Univ.) WBS2023-50 ITS2023-33 RCC2023-44
This paper discusses a Windowed Orthogonal Frequency Division Multiplexing (OFDM) system that can suppress out-of-band e... [more] WBS2023-50 ITS2023-33 RCC2023-44
pp.111-116
UWT
(2nd)
2023-11-27
16:50
Shiga Ritsumeikan University Biwako-Kusatsu Campus (BKC) Highly efficient underwater acoustic OFDM transmission system using blind delayed wave suppression -- Verification by simulation and construction of experimental system --
Ikeda Haruya, Sumita Soma (Tokyo Univ. of Science), Hisano Daisuke, Sakai Masahiro (Osaka Univ.), Maruta Kazuki (Tokyo Univ. of Science)
For Beyond 5G/6G, research on non-terrestrial wireless communications (e.g., in space, underwater, etc.) is being conduc... [more]
PN 2023-11-16
16:55
Ehime
(Primary: On-site, Secondary: Online)
Down Conversion Less Monitoring Method for Beyond 5G RF Signal in RoF
Tomoki Tsuji, Shizen Nakayama, Tsuyoshi Konishi (Osaka Univ.) PN2023-43
Various research and development on Beyond 5G is being actively achieved and they aim to build a new communications infr... [more] PN2023-43
pp.38-42
AP, RCS
(Joint)
2023-11-15
13:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
2D Pre-beamforming Control Method for Improving Performance of Fixed Wavelength Allocation Beamforming with Massive Planar Array Antenna
Mizuki Suga, Yuta Takahashi, Yasuyoshi Yamamoto, Hideki Toshinaga, Naoki Kita (NTT) RCS2023-155
Radio over fiber (RoF) is attracting much attention as one way to realize high frequency bands systems. A fixed waveleng... [more] RCS2023-155
pp.18-23
AP, RCS
(Joint)
2023-11-15
14:55
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Performance of NR Downlink Initial Access Using Synchronization Signal Block for mm-Wave Bands
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Satoshi Suyama (NTT DOCOMO) RCS2023-159
This paper presents the performance for New Radio (NR) downlink initial access including physical-layer cell ID (PCID) d... [more] RCS2023-159
pp.39-44
AP, RCS
(Joint)
2023-11-17
11:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Underwater acoustic OFDM transmission system with blind delay wave suppression
Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-171
For Beyond 5G/6G, research on wireless communications outside of land (e.g., in space, underwater, etc.) is underway. Am... [more] RCS2023-171
pp.95-100
RISING
(3rd)
2023-10-31
10:45
Hokkaido Kaderu 2・7 (Sapporo) [Poster Presentation] A Study on Channel Access Using Multi-Armed Bandit Algorithm
Mai Ohta, Takashi Imanaka, Makoto Taromaru (Fukuoka Univ.)
With the development of wireless communication technology, spectrum sharing needs due to the increase in the number of s... [more]
AP 2023-10-19
10:00
Iwate Iwate University
(Primary: On-site, Secondary: Online)
[Poster Presentation] A consideration on a frequency-tunable double-layered dual-band miniaturized planar antenna fed by an L-probe with varactor diodes and shorted radiation elements
Taiki Yamaguchi, Yuichi Kimura (Saitama Univ.) AP2023-89
This paper presents a frequency-tunable double-layered dual-band miniaturized microstrip antenna (MSA) fed by an L-probe... [more] AP2023-89
pp.9-14
RCS 2023-10-19
16:40
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Transmission Performance and Handover Control Technique of 60-GHz Wireless LAN on Indoor Open Environment
Tatsuhiko Iwakuni, Daisei Uchida, Takuto Arai, Shuki Wai, Naoki Kita (NTT) RCS2023-137
Wireless communication system using high-frequency bands requires in-sight communication due to straightness of radio wa... [more] RCS2023-137
pp.39-44
AP 2023-10-19
13:00
Iwate Iwate University
(Primary: On-site, Secondary: Online)
[Poster Presentation] Design of Reflectarrays Covered by Band Pass Radome
Shohei Hosomura, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2023-107
In this study, reflectarrays covered by a band pass radome is proposed. The proposed reflectarrays focus their mainbeam ... [more] AP2023-107
pp.71-74
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