Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2024-03-14 10:25 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Study on improving frequency usage efficiency using baseband MIMO method aiming at 5G expansion(2)
-- MxN times communication method using real MIMO and baseband MIMO -- Maria Takigawa (Meiji Univ.), Gen-ichiro Ohta (YRP), Tetsushi Ikegami (Meiji Univ.) RCS2023-272 |
In this study, the spectrum efficiency is multiplied by M×N by superimposing MIMO in real space (rank M) and baseband MI... [more] |
RCS2023-272 pp.106-111 |
SR |
2024-01-25 10:55 |
Nagano |
Nagano-ken JA building (Primary: On-site, Secondary: Online) |
Joint Sensing of Wideband Sparse Angular-Frequency Spectrum based on Compressive Sensing
-- Experimental Verification in the 4.8GHz Band -- Azril Haniz, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2023-70 |
Recent trends have shown that spectrum regulators are opening up more shared spectrum bands for fifth generation mobile ... [more] |
SR2023-70 pp.9-16 |
EMT, PN, MWPTHz, IEE-EMT [detail] |
2024-01-23 15:10 |
Kyoto |
Kyoto Univ. Yoshida Campus |
Lightpath Provisioning Model in Ultra-Dense Wavelength-Division-Multiplexing Networks Kohei Yamada, Ryuta Shiraki, Eiji Oki (Kyoto Univ.) PN2023-66 EMT2023-106 MWPTHz2023-94 |
To deal with the increase of traffic demand, ultra-dense wavelength division multiplexing (WDM) has been widely
studied... [more] |
PN2023-66 EMT2023-106 MWPTHz2023-94 pp.97-101 |
OFT |
2023-10-12 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Optical variable delay line using wavelength conversion and path difference by spread spectrum Hodaka Yanase, Morito Okamoto, Naoto Kishi (The Univ of Electro-Communications) OFT2023-35 |
Variable optical delay-line is realized with a fiber four-wave mixing based wavelength converter. Although the pump ligh... [more] |
OFT2023-35 pp.77-80 |
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on improving frequency usage efficiency using baseband MIMO method aiming at 5G expansion
-- MxN times communication method using real MIMO and baseband MIMO -- Maria Takigawa, Tetsushi Ikegami (Meiji Univ.) |
5G has determined the limits of modulation and demodulation technology and has left the improvement of frequency efficie... [more] |
|
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 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 16:10 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
[Short Paper]
Detection of Hidden Nodes Using Wireless LAN Sensing Data Hayato Mukasa, Fujii Takeo (UEC) SR2023-39 |
The Internet of Things (IoT) is attracting attention for monitoring the status of equipment in indoor environments such ... [more] |
SR2023-39 pp.52-54 |
PN, NS, OCS (Joint) |
2023-06-09 14:40 |
Kagawa |
(Primary: On-site, Secondary: Online) |
RNN-based Demodulation Framework for Mitigating Spectrum Narrowing Ryuta Shiraki (Kyoto Univ.), Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2023-15 |
The use of ultra-dense WDM systems is expected to offer higher spectral efficiency. However, such systems are hindered b... [more] |
PN2023-15 pp.65-71 |
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 |
PN |
2023-03-02 15:50 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Routing, Core, and Spectrum Assignment in Space Division Multiplexing Optical Networks based on Dynamic Optimal Path Searching Yuxuan Huang, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-68 |
The explosive growth in the Internet traffic and the saturation of fiber capacity enhancement motivated the development ... [more] |
PN2022-68 pp.142-146 |
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 |
MWPTHz, PN, EMT, IEE-EMT [detail] |
2023-01-24 10:30 |
Osaka |
(Primary: On-site, Secondary: Online) |
Continuous Monitoring of Laser Characteristics Naoki Tsuchida, Takuma Kuno, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-38 EMT2022-76 MWPTHz2022-64 |
Optical performance monitoring (OPM) is an attractive approach to minimize margins and maximize the spectral efficiency ... [more] |
PN2022-38 EMT2022-76 MWPTHz2022-64 pp.39-42 |
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] |
|
RCS, SR, SRW (Joint) |
2022-03-02 13:30 |
Online |
Online |
[Invited Lecture]
Interference Power Estimation Method Using the Radio Map and the 3D Map for Spectrum Sharing SunaoMiyamoto, Takeo Fujii (UEC) SR2021-93 |
In recent years, spectrum sharing technology is attracting attention to solve the problem of spectrum shortage. In order... [more] |
SR2021-93 pp.36-41 |
RCS, SR, SRW (Joint) |
2022-03-02 15:00 |
Online |
Online |
Proposal on Two-Step Channel Observation Scheme considering Spread of Observation Results in Dynamic Spectrum Sharing Hideya So, Kenta Miguchi (SIT), Hayato Soya (neko 9) SR2021-96 |
Dynamic Spectrum Sharing (DSS), in which multiple wireless systems share the same radio resource, has been studied to im... [more] |
SR2021-96 pp.49-54 |
RCS, SR, SRW (Joint) |
2022-03-03 09:55 |
Online |
Online |
Study on transmission channel selection scheme with multi-armed bandit algorithm for IEEE 802.11 wireless LAN Kazuto Yano, Kenta Suzuki, Babatunde Ojetunde (ATR), Takashi Imanaka, Mai Ohta, Makoto Taromaru (Fukuoka Univ.) SR2021-100 |
In order to realize efficient spectrum sharing among CSMA/CA and non-CSMA/CA wireless systems, the authors have proposed... [more] |
SR2021-100 pp.71-76 |