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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, RCS (Joint) |
2023-12-15 11:20 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Speeding up MIMO systems with a small number of transmitting antennas using overload MIMO and methods to improve their characteristics Takumi Sugimoto, Satosi Denno, Yafei Hou (Okayama Univ.)  RCS2023-197 |
In this research, we aim to further speed up MIMO communication, assuming uplinks with a small number of transmitting an... [more] | RCS2023-197 pp.106-111 |
| SAT, RCS (Joint) |
2022-08-25 16:15 |
Hokkaido | (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Study on Error Correction in IP network to Compensate for Rain Attenuation in 21-GHz band Satellite Broadcasting Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata (NHK) SAT2022-36 |
We are developing a diverse reception system (DRS) which compensates for the rain attenuation in 21-GHz band by recoveri... [more] | SAT2022-36 pp.42-47 |
| AP, SANE, SAT (Joint) |
2022-07-29 14:05 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Study on Satellite Broadcasting System with LDM transmission
-- Performance Evaluation of UL signal decoding methods according to IL -- Yuki Koizumi, Masashi Kamei (NHK) SAT2022-26 |
We are developing a satellite broadcasting system with layered division multiplexing (LDM) transmission that multiplexes... [more] | SAT2022-26 pp.52-56 |
| RISING (3rd) |
2021-11-17 11:00 |
Tokyo | (Primary: On-site, Secondary: Online) |
Relationship between Amplitude and Spatial Resolutions for Massive MIMO Mana Yoshida, Daisuke Umehara (KIT) |
One of the major technologies for 5G mobile systems is massive multiple-input multiple-output (MIMO) system. In order to... [more] | |
| RCS | 2021-10-22 13:50 |
Online | Online | Study on Performance Improvement of Radio-Wave Encrypted Modulation by LLR Clipping Mamoru Okumura, Keisuke Asano, Takumi Abe, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2021-137 |
In recent years, physical layer security technologies that encrypt the physical layer using information theory have attr... [more] | RCS2021-137 pp.100-105 |
| RCS | 2021-06-23 16:35 |
Online | Online | A Study on the Behavior of LLR messages in Damped GaBP for Large-scale Signal Detection under a Correlated Channel Daniel Akira Ando, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) RCS2021-45 |
For large-scale signal detection, Gaussian Belief Propagation (GaBP) is known as a method providing a near-optimal perfo... [more] | RCS2021-45 pp.97-102 |
| RCS, SR, SRW (Joint) |
2021-03-03 10:35 |
Online | Online | Non-Orthogonal Multiple Access that allocates subcarriers based on factor graphs Taichi Yamagami, Satoshi Denno, Ahi Ko (Okayama Univ.) SRW2020-52 |
In this paper, we propose a non-orthogonal multiple access in the frequency domain. In the proposed method, multiple use... [more] | SRW2020-52 pp.7-13 |
| EE | 2020-01-15 13:40 |
Kagoshima | HOUZAN HALL | ZCS Parallel Resonant Oscillator Shuya Matsuhashi, Yoshiro Hara, Kien Nguyen, Hiroo Sekiya (Chiba Univ), Takeshi Uematsu, Shingo Nagaoka, Taichi Mishima (OMRON) EE2019-55 |
This paper proposes a parallel resonant oscillator that has load-independent characteristics. Namely, the proposed osci... [more] | EE2019-55 pp.37-42 |
| MRIS, ITE-MMS | 2019-12-05 14:00 |
Ehime | Ehime University | A study on iterative decoding using information of magnetic transitions in SMR Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-39 |
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] | MRIS2019-39 pp.1-6 |
| RCS | 2019-06-19 16:35 |
Okinawa | Miyakojima Hirara Port Terminal Building | On Bit LLR Design for Polar-Coded MIMO Spatial Multiplexing System Based on QRD-M Algorithm Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.) RCS2019-61 |
In order to improve bandwidth efficiency of wireless communications systems, MIMO techniques have been extensively studi... [more] | RCS2019-61 pp.143-148 |
| MRIS, ITE-MMS | 2019-06-14 11:10 |
Miyagi | Tohoku Univ. | A study on neural network LLR modulation in TDMR Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-8 |
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] | MRIS2019-8 pp.53-58 |
| 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 |
| MRIS, ITE-MMS | 2018-12-06 14:00 |
Ehime | Ehime University | A study of LLR modulation using neural network decision Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (Niigata Tech.), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2018-21 |
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] | MRIS2018-21 pp.7-12 |
| MRIS, ITE-MMS | 2018-06-08 09:40 |
Miyagi | Tohoku Univ. | A study on iterative decoding with neural network LLR modulator in SMR system Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MRIS2018-10 |
In our previous research, we showed that the iterative decoding with a log-likelihood ratio (LLR) modulator using parity... [more] | MRIS2018-10 pp.55-60 |
| MRIS, ITE-MMS | 2017-12-08 10:30 |
Ehime | Ehime Univ. | A study on iterative decoding with LLR modulator by parity check information in SMR-HDD Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-38 |
(To be available after the conference date) [more] | MR2017-38 pp.75-80 |
| AP, RCS (Joint) |
2017-11-08 10:50 |
Fukuoka | Fukuoka University | Effects of Channel Covariance Estimation Error on Joint Maximum A Posteriori Estimation of Channel and Interference Power for OFDM Transmission Masahiro Kudo, Tomoaki Ohtsuki (Keio Univ.) RCS2017-208 |
Superposed multicarrier transmission has been proposed as a technique to improve frequency utilization efficiency. In ... [more] |
RCS2017-208 pp.23-28 |
| MRIS, ITE-MMS | 2017-10-19 16:40 |
Niigata | Kashiwazaki energy hall, Niigata | Performance improvement of iterative decoding by LLR modification using parity check information in SMR system Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-23 |
In recent years, an iterative decoding system using LDPC (low density parity-check) code as a powerful error correction ... [more] | MR2017-23 pp.35-40 |
| RCS | 2017-06-23 10:40 |
Okinawa | Ishigaki Shoukou Kaikan | A Study on Low Latency Hybrid ARQ Method Using Channel State Information Before Channel Decoding Yuta Imamura, Dairoku Muramatsu (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2017-83 |
The 5G wireless communication system is expected to support a wider range of wireless communication services such as mas... [more] | RCS2017-83 pp.197-202 |
| 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, CCS, SR, SRW (Joint) |
2016-03-04 16:45 |
Tokyo | Tokyo Institute of Technology | Suppression of Multiple Wideband-Interferences Based on Superposition Probability Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino (NTT) RCS2015-399 |
Superposed multicarrier transmission is proposed as one of the schemes that improve frequency utilization efficiency. In... [more] | RCS2015-399 pp.387-392 |
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