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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2014-03-03 13:20 |
Tokyo | Waseda Univ. | A Study on Optimizations of Quantization Threshold for Decode-Quantize-Forward Relaying Shinsuke Ibi, Seiichi Sampei (Osaka Univ.)  RCS2013-336 |
This paper investigates optimizations of threshold values involved in quantization of log likelihood ratio (LLR), which ... [more] | RCS2013-336 pp.181-186 |
| 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 |
|
| SP | 2014-01-23 16:00 |
Aichi | Meijo Univ. | Speaker recognition based on log-linear models using feature generation by variational Bayesian method Akifumi Tsuge, Kei Hashimoto, Yoshihiko Nankaku, Keiichi Tokuda (Nagoya Inst. of Tech.) SP2013-98 |
This paper presents a speaker recognition technique based on log-linear models (LLMs) using Bayesian statistics. Since d... [more] | SP2013-98 pp.13-18 |
| 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 |
| RCS | 2013-10-18 10:55 |
Tokyo | Sophia Univ. | Performance of Turbo FDE Using Two-Dimensional LMMSE Based Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA Chihiro Mori (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Nobuhiko Miki (Kagawa Univ.), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-161 |
This paper presents the average block error rate (BLER) performance for linear minimum mean-square error (LMMSE) based i... [more] | RCS2013-161 pp.109-114 |
| 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 |
|
| RCS | 2013-04-18 10:20 |
Okinawa | Ishigaki City Hall | A Study on Iterative Decoding with Virtual Differential Codec and Sparse Pilot Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2013-1 |
This paper proposes virtual differentially coded system without differential encoder at the transmitter and channel esti... [more] | RCS2013-1 pp.1-6 |
| MBE, NC (Joint) |
2013-03-15 14:35 |
Tokyo | Tamagawa University | Signal separation of EEG using multivariate probabilistic model Yusuke Kurihana, Shigeki Miyabe, Tomasz M. Rutkowski, Yoshihiro Matsumoto, Takeshi Yamada, Shoji Makino (Univ. of Tsukuba) MBE2012-119 |
With independent component analysis (ICA), one promising source separation framework, it is difficult to separate desire... [more] | MBE2012-119 pp.161-166 |
| 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 |
| EA | 2012-12-14 10:40 |
Tokyo | National Institute of Informatics | Under-Determined Audio Source Separation Based on MAP Spectral Estimation Using Log-Spectral Prior Yasuaki Iwata (Nagoya Univ.), Tomohiro Nakatani, Masakiyo Fujimoto, Takuya Yoshioka (NTT CS Labs), Hirofumi Saito (Nagoya Univ.) EA2012-114 |
Assuming speech to be non-stationary Gaussian process, maximum likelihood spectral estimation has been studied as an eff... [more] | EA2012-114 pp.29-34 |
| 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 |
| R | 2012-10-19 15:50 |
Fukuoka | A Consideration on the Estimates of Failure Parameters using the Observed Data in Early Time Tsubasa Kawano, Hideo Hirose (KIT) R2012-59 |
We sometimes use the statistical model for truncated data when we want to predict the final stage for a pandemic or fail... [more] | R2012-59 pp.29-32 |
|
| IT | 2012-09-28 14:00 |
Gunma | Kusatsu Seminar House | LLR Calculation for Iterative Decoding on Rayleigh Fading Channels using Pade Approximation Gou Hosoya, Mikio Hasegawa, Hiroyuki Yashima (Tokyo Univ. of Science) IT2012-43 |
In this paper, approximate calculation of channel log likelihood ratio (LLR) for wireless channels using Pad\'{e} approx... [more] | IT2012-43 pp.69-74 |
| 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 |
| RCS, SAT (Joint) |
2011-08-25 16:15 |
Niigata | Niigata Univ. | [Invited Talk]
An EXIT Analysis of Iterative Detection Based on the Turbo Principle Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) SAT2011-28 RCS2011-123 |
This paper introduces EXIT chart analysis which visualizes behavior of iterative detection based on the turbo principle.... [more] | SAT2011-28 RCS2011-123 pp.67-72 |
| RCS | 2011-06-23 11:30 |
Okinawa | Ryukyu Univ. | Performance of Decision-Directed Channel Estimation Using Effective Path Selection in Time Domain for Uplink DFT-Precoded OFDMA Akihiro Tanaka (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2011-42 |
This paper proposes a decision-directed channel estimation (DDCE) applying threshold based effective path selection in t... [more] | RCS2011-42 pp.43-48 |
| CS | 2010-07-09 10:50 |
Kagoshima | Yoron Park Hotel, Kagoshima | A Study on a Rate Estimation Error Detection Scheme for Rate Compatible Punctured Turbo Codes Shinji Hashimoto, Tetsuo Tsujioka (Osaka City Univ.) CS2010-24 |
Recently, rate compatible codes based on turbo codes and low density parity check（LDPC）codes have much attention. These... [more] |
CS2010-24 pp.91-96 |
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