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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IN, RCS, NV
(Joint)
2024-05-30
15:10
Fukuoka Fukuoka University [Invited Lecture] Wireless LAN standardization trends
Atsushi Shirakawa, Ryota Yamada, Takuhiro Sato (Sharp)
 [more]
RCS, SR, SRW
(Joint)
2023-03-03
15:10
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Access Point Coordinated Radio Frequency Band Selection using Deep Reinforcement Learning Based on Video Transmission Requirements
Osamu Nakamura, Ryota Yamada, Tomeba Hiromichi, Takuhiro Sato, Yasuhiro Hamaguchi (Sharp) RCS2022-294
 [more] RCS2022-294
pp.243-248
RCS, NS
(Joint)
2022-12-15
11:15
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Multi-AP Coordinated Radio Resource Allocation using Requirements for Video Transmission
Ryota Yamada, Hiromichi Tomeba, Osamu Nakamura, Takuhiro Sato, Yasuhiro Hamaguchi (Sharp) RCS2022-188
The demand for large-capacity, latency sensitive applications such as ultra-high-definition video transmission is increa... [more] RCS2022-188
pp.19-24
RCS, NS
(Joint)
2022-12-16
11:30
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
[Invited Talk] Sharp's Activities for Ultra-High-Definition Video Transmission
Yasuhiro Hamaguchi, Hideo Namba, Takashi Onodera, Ryota Yamada, Osamu Nakamura, Hiromichi Tomeba, Takuhiro Sato (Sharp) NS2022-144 RCS2022-202
 [more] NS2022-144 RCS2022-202
p.82(NS), p.93(RCS)
RCS 2022-10-27
15:35
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
Evaluation of Radio Frequency Band Selection using Deep Reinforcement Learning Based on Video Transmission Requirements under Interference Environment
Osamu Nakamura, Ryota Yamada, Hiromichi Tomeba, Takuhiro Sato, Yasuhiro Hamaguchi (Sharp) RCS2022-138
 [more] RCS2022-138
pp.41-46
RCS, SR, SRW
(Joint)
2022-03-03
09:30
Online Online [Poster Presentation] Application of Deep Reinforcement Learning to Radio Frequency Band Selection Based on Requirements for Video Transmission
Osamu Nakamura, Takuhiro Sato, Ryota Yamada, Hiromichi Tomeba, Yasuhiro Hamaguchi (Sharp) RCS2021-275 SR2021-102 SRW2021-75
 [more] RCS2021-275 SR2021-102 SRW2021-75
pp.127-132(RCS), pp.85-90(SR), pp.33-38(SRW)
RCS 2019-10-25
11:00
Kanagawa Yokosuka Research Park [Invited Lecture] Performance evaluation of 8K video transmission in 5G
Ryota Yamada, Hiromichi Tomeba, Yasuhiro Hamaguchi, Osamu Nakamura (Sharp) RCS2019-195
Requirements for a mobile terminal have been increasing such as a ultra-high definition (8K) video transmission. The fif... [more] RCS2019-195
pp.95-100
RCS, SAT
(Joint)
2017-08-17
14:05
Niigata Niigata Univ. [Invited Lecture] Wireless communication technology to support ultra high definition video transmission
Yasuhiro Hamaguchi, Hiromichi Tomeba, Ryota Yamada, Katsuya Kato (SHARP) SAT2017-25 RCS2017-155
 [more] SAT2017-25 RCS2017-155
pp.31-36(SAT), pp.73-78(RCS)
RCS, SR, SRW
(Joint)
2015-03-04
13:10
Tokyo Tokyo Institute of Technology Suboptimal MIMO Signal Detection Employing Signal Search with Multi-Stream Constraint and Successive Interference Cancellation
Katsuya Kato (Sharp), Kazuhiko Fukawa (Tokyo Tech), Ryota Yamada (Sharp), Hiroshi Suzuki (Tokyo Tech) RCS2014-315
The maximum likelihood detection (MLD) is the optimal signal detection for MIMO communications, but its computational co... [more] RCS2014-315
pp.83-88
RCS, SR, SRW
(Joint)
2015-03-06
14:00
Tokyo Tokyo Institute of Technology BER estimation of MIMO FDE receivers with channel measurement
Yutaka Kubo, Yasunori Iwanami (NIT), Ryota Yamada, Naoki Okamoto (Sharp) RCS2014-361
When transmitting control signals through wireless channels, high quality and real time transmission is required. In thi... [more] RCS2014-361
pp.357-362
RCS, SR, SRW
(Joint)
2014-03-05
11:35
Tokyo Waseda Univ. Study on VP Transmission Schemes for Multiuser MIMO Downlink using Non-Regenerative Relay
Yusuke Tanahashi, Yasunori Iwanami (Nagoya Inst. of Tech.), Ryota Yamada, Naoki Okamoto (SHARP) RCS2013-371
In recent years, Multi-User MIMO (MU-MIMO) technology which uses spatial multiplexing for multiple users with multiple t... [more] RCS2013-371
pp.395-400
RCS 2013-10-17
09:30
Tokyo Sophia Univ. Suboptimal MIMO Signal Detection Employing Multi-Stream Constrained Search -- Principle of Multi-Stream Constrained Search --
Katsuya Kato (Sharp), Kazuhiko Fukawa (Tokyo Inst. of Tech.), Ryota Yamada (Sharp), Hiroshi Suzuki (Tokyo Inst. of Tech.), Naoki Okamoto (Sharp) RCS2013-142
The maximum likelihood detection (MLD) is the optimal signal detection for MIMO communications, but its computational co... [more] RCS2013-142
pp.1-6
RCS 2013-10-17
09:50
Tokyo Sophia Univ. Suboptimal MIMO Signal Detection Employing Multi-Stream Constrained Search -- Matrix Triangularization and Stream Selection --
Katsuya Kato (Sharp), Kazuhiko Fukawa (Tokyo Inst. of Tech.), Ryota Yamada (Sharp), Hiroshi Suzuki (Tokyo Inst. of Tech.), Naoki Okamoto (Sharp) RCS2013-143
The maximum likelihood detection (MLD) is the optimal signal detection for MIMO communications, but its computational co... [more] RCS2013-143
pp.7-12
RCS, SR, SRW
(Joint)
2013-03-01
13:20
Tokyo Waseda Univ. An estimation of receive BER of MIMO OFDM with channel measurement
Masato Shiro, Yasunori Iwanami (Nagoya Inst. of Tech.), Ryota Yamada, Naoki Okamoto (Sharp) RCS2012-361
When transmitting control signals through wireless channels, high quality and real time transmission is required. In thi... [more] RCS2012-361
pp.459-464
SR, RCS, SRW
(Joint)
2012-03-09
13:25
Kanagawa YRP An evaluation on throughput characteristics of Hybrid-ARQ relaying scheme using Non-Binary Rate-Compatible-Punctured LDPC codes
Hironori Tanaka, Yasunori Iwanami (NIT), Ryota Yamada, Naoki Okamoto (Sharp Corp.) RCS2011-366
(To be available after the conference date) [more] RCS2011-366
pp.299-304
RCS, MoNA, SR
(Joint)
2011-03-02
11:10
Kanagawa YRP An iterative signal detection scheme for MIMO SC-FDE without Cyclic Prefix using ISI canceller and MLD
Sheng Li, Yasunori Iwanami, Eiji Okamoto (Nagoya Inst. of Tech.), Ryota Yamada, Naoki Okamoto (SHARP Corp.) RCS2010-253
 [more] RCS2010-253
pp.31-36
RCS, MoNA, SR
(Joint)
2011-03-02
09:20
Kanagawa YRP Channel Estimation Employing Highly Efficient Tap Selection based on Information Criterion for OFDM Turbo Equalization
Katsuya Kato, Ryota Yamada, Takashi Yoshimoto, Shimpei Toh, Kozue Hirata, Minoru Kubota, Naoki Okamoto (SHARP Corp.) RCS2010-257
 [more] RCS2010-257
pp.55-60
SAT, RCS
(Joint)
2010-08-26
15:00
Kagoshima Kagoshima Univ. Throughput Performance in A Multi-cell Environment with Outdoor AF Relay Stations and Mobile Terminals comprising Turbo Equalization
Takashi Yoshimoto, Ryota Yamada, Katsuya Kato, Kazuhiro Abe, Minoru Kubota, Naoki Okamoto (SHARP Corp.) RCS2010-87
Cellular systems with Amplify-and-Forward (AF) relay transmission are a promising solution to extend high-speed transmis... [more] RCS2010-87
pp.55-60
IN, RCS
(Joint)
2010-04-27
09:20
Tokyo Kikai-Shinko-Kaikan Bldg. Multipath Division Turbo Equalization with Block ICI Cancellation for OFDMA system
Takashi Yoshimoto, Ryota Yamada, Katsuya Kato, Kazuhiro Abe, Minoru Kubota, Naoki Okamoto (Sharp) RCS2010-8
This report studied Multipath Division turbo equalization with Block Inter-carrier interference Cancellation (MD-BIC) fo... [more] RCS2010-8
pp.43-48
RCS, SAT
(Joint)
2009-12-17
11:30
Tokyo Kikai-Shinko-Kaikan Bldg. Study on Multipath Division Turbo Equalization with Block ICI Cancellation for MIMO transmission
Ryota Yamada, Katsuya Kato, Takashi Yoshimoto, Kazuhiro Abe, Minoru Kubota, Naoki Okamoto (SHARP Corp.) RCS2009-174
This report proposes MIMO Multipath Division turbo equalization with Block Inter-carrier interference Cancellation (MIMO... [more] RCS2009-174
pp.43-48
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