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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 |
| 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 |
| 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 | 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 |
| 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 |
| 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 |
| RCS, SR, SRW (Joint) |
2014-03-05 10:55 |
Tokyo | Waseda Univ. | An Adaptive Dual-mode DFCE with Scattered Pilots for Fading Condition Sho Sumitani, Fumio Takahata (Waseda Univ.) RCS2013-378 |
In an application of a dual-mode decision feedback channel estimation to a COFDM transmission with scattered pilot symbo... [more] | RCS2013-378 pp.437-442 |
| RCS, SR, SRW (Joint) |
2014-03-05 11:15 |
Tokyo | Waseda Univ. | Interference Suppression Using EM Algorithm in OFDM Transmissions Naotoshi Yoda, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) RCS2013-379 |
A superposed transmission is one of the effective wireless communication schemes to improve the radio frequency utilizat... [more] | RCS2013-379 pp.443-447 |
| PRMU, CNR | 2014-02-13 14:00 |
Fukuoka | tau-information geometry: translation on a space of measurable functions Masaru Tanaka (Fukuoka Univ.) PRMU2013-133 CNR2013-41 |
$tau$-information geometry, that is a new formulation of information geometry, is given by extending a translation opera... [more] | PRMU2013-133 CNR2013-41 pp.67-72 |
|
| RCS, AP (Joint) |
2013-11-22 09:20 |
Shimane | Matsue Terrsa | Iterative Decoding based on Interference Estimation in OFDM Transmissions Naotoshi Yoda, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) RCS2013-194 |
A superposed transmission is one of the effective wireless communication schemes to improve the radio frequency utilizat... [more] | RCS2013-194 pp.117-121 |
| PRMU, IBISML, IPSJ-CVIM [detail] | 2013-09-02 10:30 |
Tottori | Escort distribution and Expectation Masaru Tanaka (Fukuoka Univ.) PRMU2013-38 IBISML2013-18 |
A new formulation of information geometry is given by extending a translation operation on an affine space of probabilit... [more] | PRMU2013-38 IBISML2013-18 pp.31-38 |
|
| SIP, RCS | 2013-02-01 09:25 |
Hiroshima | Viewport-Kure-Hotel (Kure) | Investigation on Generation Method of Soft-decision Symbol Estimation in Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA Yoshikazu Tanaka (Tokyo City Univ.), Nobuhiko Miki, Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) SIP2012-113 RCS2012-270 |
This paper investigates generation methods of soft-decision symbol estimation in iterative decision-directed channel est... [more] | SIP2012-113 RCS2012-270 pp.189-194 |
| SIP, RCS | 2013-02-01 09:50 |
Hiroshima | Viewport-Kure-Hotel (Kure) | Investigation on LLR Computation at Decoder Input for Receiver Diversity Using Low-Rate Turbo Code for DFT-Precoded OFDMA Keita Miwa (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) SIP2012-114 RCS2012-271 |
This paper investigates log-likelihood ratio (LLR) generation methods at decoder input for antenna receiver diversity us... [more] | SIP2012-114 RCS2012-271 pp.195-200 |
| ITE-BCT, IPSJ-AVM, CS, IE [detail] | 2012-12-07 14:45 |
Fukui | Fukuisi-chiiki-kouryu-plaza | A Study on soft decoding scheme for SC-FDMA systems Atsushi Yamauchi, Masahiro Fujii, Yu Watanabe (Utsunomiya Univ.) CS2012-92 IE2012-106 |
Long Term Evolution (LTE) adopts Single Carrier-Frequency Division Multiple Access (SC-FDMA) for the up-link channel. Se... [more] | CS2012-92 IE2012-106 pp.155-160 |
| RCS, AN, SR, USN (Joint) |
2011-10-28 11:35 |
Tokyo | Sophia Univ. | A Study on Packet Relaying Composed by Mixture of Hard-and-Soft Values over 2-hop Relay Networks Naoyuki Takada, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2011-177 |
This paper proposes an innovative packet relaying scheme, in which forwarded symbols to the destination are regenerated ... [more] | RCS2011-177 pp.219-224 |
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