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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 198  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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.)
 [more]
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)
 [more]
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.)
 [more]
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.)
 [more]
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.)
 [more]
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.)
 [more]
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 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
RCS 2022-06-16
14:30
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Comparison of Performance and Complexity for different Search Methods in Stochastic MIMO Signal Detection
Hiroki Asumi, Yukiko Kasuga, Kazushi Matsumura, Junichiro Hagiwara, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2022-49
In large-scale MIMO signal detection, the computational complexity increases as the number of antennas increases. We hav... [more] RCS2022-49
pp.150-155
RCS 2022-06-16
14:55
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
A study on model parameters for MIMO signal detection using learned AMP
Mari Miyoshi, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2022-50
Approximate message passing (AMP) is applicable to massive MIMO signal detection and achieves a high detection performan... [more] RCS2022-50
pp.156-161
RCS 2022-06-17
14:00
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Fundamental Considerations on Channel Prediction Based on Multipath Delay and Angle-of-Arrival Estimation for Sub-Terahertz Band Communications
Daigo Mochizuki, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ.) RCS2022-63
A sub-Terahertz band above 100 GHz will be used in 6G for extremely high-speed communication. In such a high frequency b... [more] RCS2022-63
pp.230-235
RCS, SIP, IT 2022-01-20
17:20
Online Online Hyper Parameter Optimization with Genetic Algorithm in Reservoir Computing Based MIMO-OFDM Detection
Yuanyou Chen, Hiroshi Tsutsui, Takeo Ohgane (Hokkaido Univ.) IT2021-46 SIP2021-54 RCS2021-214
In this paper, we investigate a MIMO-OFDM symbol detection based on reservoir computing (RC), which is a special type of... [more] IT2021-46 SIP2021-54 RCS2021-214
pp.96-100
RCS, SIP, IT 2022-01-21
09:25
Online Online Studies on Sub-Terahertz MIMO Spatial Multiplexing in an Indoor Propagation Environment
Taichi Utsuno, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) IT2021-62 SIP2021-70 RCS2021-230
 [more] IT2021-62 SIP2021-70 RCS2021-230
pp.189-194
RCS, SIP, IT 2022-01-21
09:50
Online Online Studies on Channel Prediction in a Millimeter-Wave Band Based on Multipath Delay and Angle-of-Arrival Estimation
Daigo Mochizuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) IT2021-63 SIP2021-71 RCS2021-231
A multi-user MIMO system can achieve high-capacity communication using downlink channel state information (CSI) for each... [more] IT2021-63 SIP2021-71 RCS2021-231
pp.195-200
RCS, SIP, IT 2022-01-21
11:45
Online Online Study on compensation for axis misalignment of UCA with multiple UCAs
Nobuhiko Sakuraya, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ), Tomoya Tandai, Daisuke Uchida (Toshiba) IT2021-76 SIP2021-84 RCS2021-244
In recent years, mobile data traffic has increased explosively due to increasing wireless devices. Capacity enhancement ... [more] IT2021-76 SIP2021-84 RCS2021-244
pp.270-275
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-16
14:30
Online Online Considerations on Accuracy Improvement in Close DOA Estimation with Deep Learning
Yuya Kase, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Takanori Sato (Hokkaido Univ.), Yoshihisa Kishiyama (NTT DOCOMO) RCC2021-39 NS2021-55 RCS2021-97 SR2021-39 SeMI2021-28
In addition to subspace methods such as MUSIC and ESPRIT, recently,
compressed sensing and deep learning have been appl... [more]
RCC2021-39 NS2021-55 RCS2021-97 SR2021-39 SeMI2021-28
pp.77-82(RCC), pp.118-123(NS), pp.98-103(RCS), pp.100-105(SR), pp.76-81(SeMI)
 Results 1 - 20 of 198  /  [Next]  
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