Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SAT, RCS (Joint) |
2024-08-29 17:25 |
Kochi |
CUL-PORT(Kochi City) (Temporary) (Primary: On-site, Secondary: Online) |
A Study on Nonlinear Precoding Methods in Massive MIMO
-- Improvement of VP Method Using MCMC and Comparison with THP Method -- Shunsuke Kakuta (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2024-123 |
In order to achieve high performance wireless communications for Beyond 5G and 6G, MIMO (Multiple-Input Multiple-Output)... [more] |
RCS2024-123 pp.36-41 |
RCS |
2024-06-20 16:55 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Characterization of Sub-THz-Band MIMO Spatial Multiplexing With Channel Estimation Errors Naoki Hamada, Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Takeo Ohgane (Hokkaido Univ.) RCS2024-68 |
A sub-THz band is expected to play an important role in extreme high-data-rate transmission of sixth-generation mobile c... [more] |
RCS2024-68 pp.241-246 |
RCS |
2024-06-21 10:20 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Study on IRS Control Using Vision-Assisted Beam Management in Sub-Terahertz-Band Communications Ryuhei Kobayashi, Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Takeo Ohgane (Hokkaido Univ.) RCS2024-76 |
Extreme highspeed transmission over 100 Gbps is expected in 6G mobile communication system using a sub-Terahertz band of... [more] |
RCS2024-76 pp.281-286 |
RCS, SR, SRW (Joint) |
2024-03-13 16:15 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
DOA Estimation Improvement Through Angle-Range-Reduced DNNs Specialized in Narrow DOA Range Daniel Akira Ando, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.) RCS2023-266 |
In this work, we propose a strategy based on deep neural networks (DNNs) intended to support our past DNN method for dir... [more] |
RCS2023-266 pp.71-76 |
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 |
RCS |
2023-06-14 09:30 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] |
RCS2023-28 pp.1-6 |
RCS |
2023-06-14 09:40 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-29 |
In massive MIMO systems, a loose beam forming method is considered to solve the problem of increased computation and ant... [more] |
RCS2023-29 pp.7-12 |
RCS |
2023-06-14 09:50 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Vector Perturbation Method Using MCMC in Massive MIMO Shunsuke Kakuta (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-30 |
[more] |
RCS2023-30 pp.13-18 |
IT, RCS, SIP |
2023-01-24 12:20 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Study on Performance Improvement of Stochastic MIMO Signal Detection Using Variational Bayesian Methods Hiroki Asumi, Shunsuke Kakuta, Junichiro Hagiwara, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) IT2022-34 SIP2022-85 RCS2022-213 |
[more] |
IT2022-34 SIP2022-85 RCS2022-213 pp.30-35 |
IT, RCS, SIP |
2023-01-24 15:55 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems Kento Nishimura, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ) IT2022-43 SIP2022-94 RCS2022-222 |
Distributed MIMO systems, which have been considered in recent years, use a very large number of base station antennas, ... [more] |
IT2022-43 SIP2022-94 RCS2022-222 pp.78-83 |
IT, RCS, SIP |
2023-01-24 16:20 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Study on IRS Control based on Beamforming for Sub-Terahertz Band Communications Shuto Tadokoro, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-44 SIP2022-95 RCS2022-223 |
[more] |
IT2022-44 SIP2022-95 RCS2022-223 pp.84-89 |
IT, RCS, SIP |
2023-01-24 16:45 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Characteristics Analysis of Direction of Arrival Estimation with Compressed Sensing Using Grid Shifts Shudai Kunimoto, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-45 SIP2022-96 RCS2022-224 |
[more] |
IT2022-45 SIP2022-96 RCS2022-224 pp.90-95 |
IT, RCS, SIP |
2023-01-25 10:25 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Fundamental Study on Decoding Short Length Polar Codes by Deep Learning Reona Kumaki, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.) IT2022-52 SIP2022-103 RCS2022-231 |
LDPC codes, Turbo codes, and polar codes are currently known
as the best channel codes achieving near Shannon limit.... [more] |
IT2022-52 SIP2022-103 RCS2022-231 pp.132-135 |
IT, RCS, SIP |
2023-01-25 14:35 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Study on computational complexity reduction in channel prediction for sub-THz band communications Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) IT2022-64 SIP2022-115 RCS2022-243 |
[more] |
IT2022-64 SIP2022-115 RCS2022-243 pp.202-207 |
SIS |
2022-12-05 13:50 |
Osaka |
(Primary: On-site, Secondary: Online) |
A Feasibility Study on Video Conferencing Recordings Automatic Editing System Using Silence Part Removal Based on Audio Signal Analysis Takashi Mishima, Ippei Araki, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.) SIS2022-24 |
This paper presents a video conferencing recordings automatic editing system using silence part removal based on audio s... [more] |
SIS2022-24 pp.7-10 |
RCS |
2022-10-27 14:00 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Spatial Signal Processing in Sub-Terahertz-Band Indoor Radio Communications Yasutaka Ogawa, Toshihiko Nishimura, Takanori Sato, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-135 |
The sixth-generation (6G) mobile communication system has been studied to commercialize the service in around 2030. One ... [more] |
RCS2022-135 p.28 |
RCS |
2022-10-28 10:55 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
A Study on Channel Prediction Based on Multipath Separation for Sub-Terahertz-Band Communications Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-145 |
[more] |
RCS2022-145 pp.83-88 |
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] |
2022-07-19 11:15 |
Hokkaido |
Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
Spatial-Domain Signal Processing in Sub-Terahertz Communications Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) EMT2022-21 MW2022-45 OPE2022-24 EST2022-22 MWPTHz2022-19 |
The sixth-generation mobile communication is being extensively studied to commercialize the services in around 2030. A f... [more] |
EMT2022-21 MW2022-45 OPE2022-24 EST2022-22 MWPTHz2022-19 p.72 |
RCS |
2022-06-16 11:05 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Direction of Arrival Estimation with Compressed Sensing Using Grid Shifts Shudai Kunimoto, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-47 |
[more] |
RCS2022-47 pp.138-143 |
RCS |
2022-06-16 11:15 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Considerations on IRS Control based on Beamforming for Sub-Terahertz Band Communications Shuto Tadokoro, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-48 |
[more] |
RCS2022-48 pp.144-149 |