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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 30  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2024-06-20
14:15
Okinawa
(Primary: On-site, Secondary: Online)
Study on Physical-Layer Encrypted Relay Transmission Method Using Group Key for Distributed Terminal Cooperative Communication
Keita Ito, Eiji Okamoto (NITech) RCS2024-62
(To be available after the conference date) [more] RCS2024-62
pp.203-208
RCS 2023-06-14
10:10
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
A Study on performance improvement of uplink multi user radio encypted MIMO transmission scheme using accurate probability calculation
Seiya Yamashita, Yuki Mori, Ryo Tozawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2023-32
Multi-user MIMO (MU-MIMO) is known as an effective multiple access method, and we have previously proposed a multi-user ... [more] RCS2023-32
pp.25-30
RCS, AP, UWT
(Joint)
2022-11-15
10:20
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A Study on Performance Improvement of Uplink Multi-User Chaos MIMO Transmission Scheme
Kenta Kato, Keisuke Asano, Takumi Abe, Yuki Mori, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2022-157
Internet of things (IoT) terminals have spread rapidly in recent years, and multi-user multiple-input multiple-output (M... [more] RCS2022-157
pp.13-18
IT, SIP, RCS 2020-01-24
10:45
Hiroshima Hiroshima City Youth Center Study on application of low complexity chaos NOMA-SIC decoding method in uplink
Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) IT2019-63 SIP2019-76 RCS2019-293
Non-orthogonal multiple access (NOMA) scheme has been studied as one of the methods to perform larger capacity and high ... [more] IT2019-63 SIP2019-76 RCS2019-293
pp.155-160
RCS 2019-06-19
11:30
Okinawa Miyakojima Hirara Port Terminal Building A study on performance improvment of uplink massive chaos MIMO transmission scheme
Tomoki Kaga, Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2019-48
In the fifth generation mobile communications system (5G), massive multiple input multiple output (MIMO) technique has b... [more] RCS2019-48
pp.67-72
RCS, SIP, IT 2019-02-01
15:10
Osaka Osaka University [Encouragement Talk] A study on polar code concatenation to chaos MIMO transmission scheme
Keita Ito, Okamoto Eiji, Masuda Yoshihiro (NITech), Yamamoto Tetsuya (panasonic) IT2018-68 SIP2018-98 RCS2018-275
For secure and high-quality wireless transmission, we have proposed a chaos-multiple-input multiple-output (C-MIMO) tran... [more] IT2018-68 SIP2018-98 RCS2018-275
pp.191-196
RCS 2018-06-20
14:20
Nagasaki Nagasaki University Study on Non-Orthogonal Multiple Access Scheme having Physical Layer Security
Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic), Keita Ito (NIT) RCS2018-40
Recently, the fifth generation mobile communication system (5G) that enables over 10 Gbps transmission is standardized a... [more] RCS2018-40
pp.31-36
SIP, IT, RCS 2018-01-22
10:50
Kagawa Sunport Hall Takamatsu [Encouragement Talk] A realization of large-scale uplink sparse chaos code multiple access scheme with physical layer security by applying GaBP algorithm
Eiji Okamoto, Naoto Horiike (NITech), Tetsuya Yamamoto (Panasonic) IT2017-57 SIP2017-65 RCS2017-271
In the standardization of the fifth generation mobile communications system (5G), non-orthogonal multiple access (NOMA) ... [more] IT2017-57 SIP2017-65 RCS2017-271
pp.13-18
SIP, IT, RCS 2018-01-22
15:45
Kagawa Sunport Hall Takamatsu A study on uplink massive chaos MIMO Transmission scheme by applying GaBP
Naoto Horiike, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) IT2017-77 SIP2017-85 RCS2017-291
In the future wireless communication systems, the number of wireless terminals will explosively increase according to th... [more] IT2017-77 SIP2017-85 RCS2017-291
pp.131-136
AP, RCS
(Joint)
2017-11-08
16:45
Fukuoka Fukuoka University Belief-Propagation Decoding of Chaos-Modulated Signals in Massive MIMO Systems
Kazuyuki Sakoda (NIT, Miyakonojo College/Kagoshima Univ.), Hiroki Hata, Shigefumi Hata (Kagoshima Univ.) RCS2017-222
The easiest way to improve transmission efficiency for MIMO(Multiple Input Multiple Output) that is a communication syst... [more] RCS2017-222
pp.99-103
CQ
(2nd)
2017-10-16
16:15
Fukuoka Nishijin Plaza, Kyushu Univ. [Poster Presentation] A study on performance improvement in downlink chaos NOMA transmission system by channel capacity optimization
Naoto Horiike, Hiroki Kitagawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic)
Recently, standardization of the 5th generation mobile communication system (5G) is actively processed to aim for commer... [more]
RCS 2017-06-23
16:00
Okinawa Ishigaki Shoukou Kaikan A study on construction of downlink non-orthogonal multiple access scheme for physical layer security
Naoto Horiike, Hiroki Kitagawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2017-92
Recently, higher-capacity wireless communication systems are developed for rapid increase of wireless traffic on smartph... [more] RCS2017-92
pp.251-256
NS, RCS
(Joint)
2016-12-22
11:30
Ishikawa   A study on EXIT chart-based characteristic analysis in chaos MIMO transmission scheme using STBC and LDPC code
Naoto Horiike, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2016-227
Chaos multiple-input multiple-output (C-MIMO) scheme has physical layer security and enables high quality transmission. ... [more] RCS2016-227
pp.105-110
RCS 2016-06-23
10:20
Okinawa Univ. of the Ryukyus A study on performance improvement in multilevel modulated chaos MIMO transmission system with outer channel code
Naoto Horiike, Eiji Okamoto (NITech) RCS2016-61
Chaos multiple-input multiple-output (C-MIMO) transmission scheme has both physical layer security and channel coding ga... [more] RCS2016-61
pp.87-92
RCS 2016-04-21
20:00
Aomori Romantopia, A Landscape of Forest and Stars, Hirosaki City [Invited Lecture] A study on sparse chaos code multiple access scheme for physical layer security
Eiji Okamoto, Keisuke Kunitomo (NITech) RCS2016-8
To realize higher-capacity wireless access systems, a non-orthogonal multiple access (NOMA) scheme, in which a superimpo... [more] RCS2016-8
pp.41-46
RCS, CCS, SR, SRW
(Joint)
2016-03-04
14:30
Tokyo Tokyo Institute of Technology A study on application of symbol MAP decoding for chaos MIMO scheme to improve error rate performance
Eiji Okamoto (NITech) CCS2015-74
To obtain both physical-layer security and channel coding effect, a chaos multiple-input multiple-output (C-MIMO) transm... [more] CCS2015-74
pp.39-44
AP, RCS, WPT, SAT
(Joint)
2015-11-04
12:15
Okinawa Okinawa Prefectural Museum & Art Museum A study on performance improvement of chaos MIMO scheme using advanced stochastic characteristics
Eiji Okamoto (NITech) RCS2015-195
Chaos multiple-input multiple-output (C-MIMO) scheme is a transmission scheme with Gaussian modulation, where physical-l... [more] RCS2015-195
pp.31-36
RCS 2015-06-25
15:55
Hokkaido Hokkaido Univ. A study on EXIT chart analysis of chaos MIMO transmission scheme using turbo principle
Eiji Okamoto (NITech) RCS2015-77
Chaos multiple-input multiple-output (C-MIMO) scheme is a transmission scheme having both physical layer security and ch... [more] RCS2015-77
pp.185-190
AP, RCS
(Joint)
2014-11-12
14:35
Yamagata Yamagata University, Yonezawa Campus Study on Secure Common Key Transmission in Chaos MIMO Scheme
Yuma Inaba, Eiji Okamoto (Nagoya Inst. of Tech.) RCS2014-202
Ad-hoc networks have attracted attention according to the spread of wireless LAN systems. However, safe communication is... [more] RCS2014-202
pp.31-36
RCS 2014-10-17
10:45
Kanagawa Keio Univ. Study on decoding complexity reduction of chaos MIMO transmission scheme by applying M-algorithm
Eiji Okamoto, Yuma Inaba (NITech) RCS2014-181
Chaos multiple-input multiple-output (C-MIMO) scheme is a wireless transmission scheme in which both of encryption and c... [more] RCS2014-181
pp.141-146
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