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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on Error Correction Based on Convergence Detection of Posterior LLRs in Gaussian Belief Propagation for Large-Scale MIMO Signal Detection Shinnosuke Taba, Tetsushi Ikegami, Koichi Maki (Meiji Univ) |
[more] | |
| 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 |
| WBS, RCC, ITS | 2021-12-13 09:00 |
Online | Online | [Poster Presentation]
Demodulation using high order moments for multiple amplitude modulation signals on a stochastic resonance receiver with a few-bit ADC Akihiko Tatematsu, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Hiroya Tanaka (Toyota Central R & D Labs), Yukihiro Tadokoro (TRINA) WBS2021-38 ITS2021-12 RCC2021-45 |
The use of a higher frequency range up to sub-terahertz causes a significant restriction on devices. Analog-to-digital c... [more] | WBS2021-38 ITS2021-12 RCC2021-45 pp.22-27 |
| SAT | 2021-10-08 09:20 |
Online | Online | A study on improving error-correction performance by combining signals received via satellite channel and IP network for 21-GHz-band satellite broadcasting Yuki Koizumi, Yoichi Suzuki, Masashi Kamei (NHK) SAT2021-48 |
We are developing a 21-GHz-band satellite-broadcasting system that has the capability of transmitting signals at bit rat... [more] | SAT2021-48 pp.28-31 |
| RCS | 2021-06-25 10:00 |
Online | Online | A Study on Phase-Noise-Aware LLR Calculation for Millimeter-wave MIMO Systems with High-Order Modulation Daiki Wakumoto, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) RCS2021-66 |
This paper proposes a low-complexity demodulation method via phase-noise-aware log-likelihood ratios (LLRs) at the base ... [more] | RCS2021-66 pp.214-219 |
| 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 |
| SIP, IT, RCS | 2021-01-21 11:20 |
Online | Online | A Study on Log Likelihood Ratio for Iterative Detection and Decoding of LoRa Modulation Takuya Mihara, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-68 SIP2020-46 RCS2020-159 |
In Internet of things (IoT) devices, low power wide area (LPWA) has been attracting attention, and LoRa modulation is an... [more] | IT2020-68 SIP2020-46 RCS2020-159 pp.28-33 |
| 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 |
| HCGSYMPO (2nd) |
Mie | Sinfonia Technology Hibiki Hall Ise | Improving Accuracy of Voice-Based Mental Health Evaluation by Bayesian Inference. Takeshi Takano, Yasuhiro Omiya, Uraguchi Tomotaka (PST), Masakazu Higuchi, Mitsuteru Nakamura, Shuji Shinohara, Shunji Mitsuyoshi (UTokyo), Taku Saito, Aihide Yoshino, Hiroyuki Toda (NDMC), Shinichi Tokuno (UTokyo) |
Early detection of mental health malfunction is an issue in today's stressful modern era. We have developed MIMOSYS (Min... [more] | ||
| PRMU, IBISML, IPSJ-CVIM [detail] | 2017-09-15 10:30 |
Tokyo | Experimental Analysis of Variational Bayesian Method in Model Selection of Gaussian Mixture Model by Singular Bayesian Information Criterion Naoki Hayashi (Tokyo Tech), Fumito Nakamura (Bosch) PRMU2017-41 IBISML2017-13 |
A Gaussian mixture model (GMM) is a statistical model used in various fields such a pattern recognition, thus, it is imp... [more] | PRMU2017-41 IBISML2017-13 pp.19-26 |
|
| NS, RCS (Joint) |
2016-12-22 10:40 |
Ishikawa | A Study on Phase Noise Variance Estimation and Approximated LLR for Single Carrier Transmissions Makoto Nishikori, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2016-225 |
This paper proposes a novel phase noise variance estimation method using preamble sequence and high reliability log like... [more] | RCS2016-225 pp.93-98 |
|
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2016-11-10 16:50 |
Nagasaki | Nagasaki Shoko Kaigi Sho | LLR generation of 4D modulation based on inverse code Tatsuya Nakamura, Emmanuel Le Taillandier de Gabory, Hidemi Noguchi, Jun'ichi Abe (NEC) OCS2016-59 |
Exponentially increasing internet traffic requires optimal exploitation of spectral resource of optical network. Therefo... [more] | OCS2016-59 pp.13-18 |
| SP, IPSJ-SLP (Joint) |
2016-07-30 09:00 |
Yamagata | Takinoyu Hotel | Discriminative Training Method of Recurrent Neural Network Language Models for Speech Recognition Yuuki Tachioka (Mitsubishi Electric), Shinji Watanabe (MERL) SP2016-26 |
A recurrent neural network language model (RNN-LM) can consider a longer word context than an n-gram language model, and... [more] | SP2016-26 pp.33-38 |
| 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 |
| 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 |
| RCS | 2015-06-26 11:01 |
Hokkaido | Hokkaido Univ. | A Study on Approximated LLR Computation for Space Time Block Code and Forward Error Correction Code in Presence of Phase Noise Makoto Nishikori, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2015-94 |
This paper proposes a computation method of log likelihood ratio (LLR) of frequency domain equalizer (FDE) output in pre... [more] | RCS2015-94 pp.281-286 |
| IBISML | 2014-11-18 15:00 |
Aichi | Nagoya Univ. | [Poster Presentation]
Gauge Theory on Measure Space
-- tau-Information Geometry -- Masaru Tanaka (Fukuoka Univ.) IBISML2014-72 |
A new formulation of information geometry is given by extending a translation operation on an affine space of probabilit... [more] | IBISML2014-72 pp.279-286 |
| AP, RCS (Joint) |
2014-11-12 15:00 |
Yamagata | Yamagata University, Yonezawa Campus | A Study of Channel Equalization Using a Belief Propagation Algorithm Masatomo Sugita, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2014-203 |
Frequency-domain equalization is well known as a countermeasure for inter-symbol interference in a single carrier transm... [more] | RCS2014-203 pp.37-42 |
| R | 2014-10-17 16:20 |
Kagoshima | Optimum Lifetime Prediction Testing under the Arrhenius Law Naoki Tabuchi, Hideo Hirose (Kyutech) R2014-60 |
In observing the actual lifetime of electric products, accelerated life tests are often used to save testing time and co... [more] | R2014-60 pp.31-36 |
|
| RCS, SR, SRW (Joint) |
2014-03-03 13:00 |
Tokyo | Waseda Univ. | Study on chaos MIMO transmission scheme using log likelihood ratio for application of turbo-like codes Eiji Okamoto, Yuma Inaba (Nagoya Inst. of Tech.) RCS2013-335 |
The chaos multiple-input multiple-output (MIMO) transmission scheme achieves both physical layer security and channel co... [more] | RCS2013-335 pp.175-180 |
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