Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SAT (Joint) |
2023-08-31 13:10 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Nullforming and Coordination Techniques for Spectrum Sharing between High-Altitude Platforms and Terrestrial Networks Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) SAT2023-37 RCS2023-108 |
Non-terrestrial networks (NTNs) using high-altitude platform stations (HAPSs) have garnered significant attention as a l... [more] |
SAT2023-37 RCS2023-108 p.24(SAT), p.36(RCS) |
SANE |
2023-08-18 11:10 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Electromagnetic Interference Susceptibility Evaluations of Aircraft Radio Altimeter Under Japanese Sub-6 Band 5G Mobile Communications System Frequency Conditions
-- Evaluation of 12 Radio Altimeters for Large Fixed-Wing Aircrafts -- Shunichi Futatsumori, Noriaki Hiraga (ENRI) SANE2023-38 |
This report discusses electromagnetic interference (EMI) issues of aircraft radio altimeter due to Sub-6 band 5G mobile ... [more] |
SANE2023-38 pp.23-28 |
SRW, MICT, WBS |
2023-07-20 14:40 |
Niigata |
Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Spectrum Efficiency Improvement Method by Adaptive Bandwidth and Transmit Power Control in Multi-Band Wireless Systems Taishiro Moriyasu, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) WBS2023-17 SRW2023-15 MICT2023-14 |
This paper evaluates spectrum efficiency with the proposed method which adaptively control bandwidth and transmit power ... [more] |
WBS2023-17 SRW2023-15 MICT2023-14 pp.15-20 |
RCS |
2023-06-14 16:00 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Improvement in Interference Reduction Performance of Nullforming by HAPS for Spectrum Sharing with Terrestrial Systems Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2023-42 |
High-altitude platform stations (HAPSs) have garnered significant attention as a leading technology for providing an ext... [more] |
RCS2023-42 pp.81-86 |
SRW |
2023-06-12 11:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Development of High- Precision Radio Sensor for 5G Downlink Signal Detection Using Software-Defined Radio and Its Performance Evaluation Yuto Sasaki, Shota Mori, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SRW2023-5 |
Since the amount of required mobile data traffic continues to increase, the spectrum resources for 5G will be insufficie... [more] |
SRW2023-5 pp.25-30 |
RCS, IN, NV (Joint) |
2023-05-26 10:25 |
Kanagawa |
Keio University (Hiyoshi Campus), and online (Primary: On-site, Secondary: Online) |
Evaluation for COR Observations by Shadowing in Environment with Multiple Interfering Stations Hideya So (SIT), Shintaro Ota, Hayato Soya (SUS) RCS2023-24 |
Spectrum sharing, in which multiple wireless systems share the same radio resources, has been considered to improve freq... [more] |
RCS2023-24 pp.43-48 |
RCS |
2023-04-13 10:25 |
Shimane |
Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
Null Sweeping for Reduction of Residual Interference between HAPS and Terrestrial Systems Tsutomu Ishikawa, Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank Corp.) RCS2023-2 |
A high-altitude platform station (HAPS) is a promising technology which realizes the coverage extension in the 6G wirele... [more] |
RCS2023-2 pp.7-12 |
RCC, ISEC, IT, WBS |
2023-03-14 09:50 |
Yamaguchi |
(Primary: On-site, Secondary: Online) |
An information-spectrum approach to entanglement purification and distillation Motoki Achiwa, Tomohiro Ogawa (UEC) IT2022-80 ISEC2022-59 WBS2022-77 RCC2022-77 |
We study entanglement purification which generates a maximally entangled state from a mixed state entanglement. We apply... [more] |
IT2022-80 ISEC2022-59 WBS2022-77 RCC2022-77 pp.80-85 |
SANE, SAT (Joint) |
2023-03-03 10:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Electromagnetic interference issues of aircraft radio altimeter due to Sub-6 band 5G mobile communications systems in Japan Shunichi Futatsumori, Noriaki Hiraga (ENRI) SANE2022-117 |
This report discusses electromagnetic interference (EMI) issues of aircraft radio altimeter due to Sub-6 band 5G mobile ... [more] |
SANE2022-117 pp.101-106 |
RCS, SR, SRW (Joint) |
2023-03-01 14:20 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Future Wireless Communications using Multi-Dimensional Wireless Environment Recognition Takeo Fujii (UEC) SR2022-84 |
Various applications from IoT (Internet of Things) to large capacity video transmission are expected to be supported in ... [more] |
SR2022-84 pp.4-9 |
RCS, SR, SRW (Joint) |
2023-03-02 10:15 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Highly Accurate Terminal Location Estimation Method by Template Matching Using Receiving Power Transition Information in the VHF-Band Keika Minaki, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SRW2022-50 |
A method for estimating the location of a mobile terminal equipped with ARIB STD-T103/119-based VHF-band public broadban... [more] |
SRW2022-50 pp.37-42 |
RCS, SR, SRW (Joint) |
2023-03-02 11:15 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Spectrum Sharing on Evaluation of Mixture of Synchronous TDD and Semi-synchronous TDD Local 5G in Building Homare Murakami, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2022-87 |
Local 5G offers a choice of several TDD patterns to support various types of use cases. Besides synchronous TDD, which i... [more] |
SR2022-87 pp.16-23 |
RCS, SR, SRW (Joint) |
2023-03-03 15:35 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research and Development on Wireless Access Technology Based on Factor Analysis of Communication Quality Using Redundant Information Koji Yamamoto (Kyoto Univ.), Mai Ohta (Fukuoka Univ.), Kazuto Yano (ATR), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Akihito Taya (Kyoto Univ./Univ. Tokyo), Makoto Taromaru (Fukuoka Univ.), Babatunde Ojetunde, Keiichiro Mori (ATR) SRW2022-66 |
In wireless communications, communication quality is observable; in contrast, its degradation factors are generally unob... [more] |
SRW2022-66 pp.100-105 |
RCS, SR, SRW (Joint) |
2023-03-03 14:45 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Throughput Evaluation of Two-Step Channel Observation Scheme for Dynamic Spectrum Sharing Hideya So (SIT), Kazuki Wada, Hayato Soya (SUS) RCS2022-293 |
Dynamic spectrum sharing (DSS), in which the same radio resource is shared by multiple wireless systems, has been consid... [more] |
RCS2022-293 pp.237-242 |
SeMI, IPSJ-UBI, IPSJ-MBL |
2023-03-01 17:20 |
Aichi |
(Primary: On-site, Secondary: Online) |
Autonomous Channel Selection Method by aggregating data in WLAN Hayato Soya, Yuto Kobayashi (SUS), Hideya So (SIT) SeMI2022-115 |
In recent years, information terminals equipped with wireless LAN functions are increasing more and more. As a result, i... [more] |
SeMI2022-115 pp.49-53 |
SR, UWT (Joint) |
2023-01-27 13:45 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Transmission channel selection scheme with multi-armed bandit algorithm for IEEE 802.11be wireless LAN Kazuto Yano, Keiichiro Mori, Babatunde Ojetunde (ATR), Takashi Imanaka, Mai Ohta, Makoto Taromaru (Fukuoka Univ.) SR2022-78 |
In order to realize efficient spectrum sharing among CSMA/CA and non-CSMA/CA wireless systems, the authors have proposed... [more] |
SR2022-78 pp.35-42 |
SR |
2022-11-07 15:30 |
Fukuoka |
Fukuoka University (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
5D spectrum database Hirofumi Nakajo, Yusuke Itayama, Shougo Matsuo, Takeo Fujii (UEC) SR2022-56 |
A key issue in the research and development of next-generation mobile communication systems (Beyond 5G/6G) is the availa... [more] |
SR2022-56 pp.58-63 |
RISING (3rd) |
2022-10-31 15:00 |
Kyoto |
Kyoto Terrsa (Day 1), and Online (Day 2, 3) |
[Poster Presentation]
A Trustworthy Approach for Radio Environment Map Construction in CRNs Ying GAO, Takeo Fujii (UEC) |
A common tool for improving communication efficiency when sharing spatial spectrum is the Radio Environment Map (REM). A... [more] |
|
SRW |
2022-08-22 10:40 |
Online |
Online |
A Study on Dynamic Spectrum Sharing Using Linear Programming in Wireless LAN Takahiro Sasaki, Shigenobu Sasaki (Niigata Univ.) SRW2022-10 |
With the increase in the number of wireless communication devices, there is concern about the shortage of frequency reso... [more] |
SRW2022-10 pp.8-13 |
SANE |
2022-08-19 11:10 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Electromagnetic Interference Characteristics of Aircraft Radio Altimeters Due to In-band and Out-band Interference Signals
-- Evaluation of Variations in EMI Characteristics of the Same Type of Pulsed Altimeter -- Shunichi Futatsumori, Norihiko Miyazaki, Noriaki Hiraga (ENRI) SANE2022-49 |
This report discusses electromagnetic interference characteristics of aircraft radio altimeters due to in-band and out-b... [more] |
SANE2022-49 pp.92-96 |