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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SAT (Joint) |
2015-08-17 11:45 |
Fukuoka | Fukuoka Univ. (Fukuoka) | Demonstration of Image transmission using Small Optical TrAnsponder (SOTA) Hideki Takenaka, Maki Akioka, Yoshisada Koyama, Kolev Dimitar, Yasushi Munemasa, Naohiko Iwakiri, Hiroo Kunimori (NICT), Eiji Okamoto (NIT), Morio Toyoshima (NICT)  SAT2015-12 |
We promoted a study for the practical use of space optical communication in NICT and developed SOTA is loaded on 50kg-cl... [more] | SAT2015-12 pp.7-9 |
| RCS | 2013-06-20 09:30 |
Hokkaido | Hokkaido Univ. (Hokkaido) | A Proposal of Modified LDGM Code for Superimposed Adaptive Network Coded Cooperation Naoki Takeishi, Koji Ishibashi, Yasushi Yamao (UEC) RCS2013-40 |
Superimposed adaptive network coded cooperation (SANCC) has gained much attention since it can obtain high diversity an... [more] |
RCS2013-40 pp.19-24 |
| WBS, SAT (Joint) |
2013-05-16 16:35 |
Tochigi | Utsunomiya Univ. (Tochigi) | [Special Talk]
Perspectives of channel coding for satellite laser communications Eiji Okamoto, Takuma Kyo, Hiroaki Inoue (Nagoya Inst. of Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) WBS2013-6 SAT2013-5 |
Satellite laser communication, whose transmission channel characteristics are different from those of radio-frequency ch... [more] | WBS2013-6 SAT2013-5 pp.31-36(WBS), pp.25-30(SAT) |
| SAT, RCS (Joint) |
2012-08-31 10:40 |
Kochi | Kochi City Cultura-Plaza CUL-PORT (Kochi) | Multi-rate LDGM block transmission scheme for satellite laser communications Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2012-27 |
A satellite laser communication, which provides high-speed and high-capacity satellite communications, draws much attent... [more] | SAT2012-27 pp.55-60 |
| IT | 2012-05-25 15:50 |
Fukuoka | (Fukuoka) | Analysis on Accumulate Distribution on Minimum Cut Weight of Weighted Random Graphs Yuki Fujii, Tadashi Wadayama (NIT) IT2012-5 |
The multicast capacity of a network is closely related to the maximum flow, which is equal to the minimum cut weight due... [more] | IT2012-5 pp.23-28 |
| SAT, SANE (Joint) |
2012-02-16 16:50 |
Mie | (Mie) | An improvement of rate estimation algorithm in the multi-rate LDGM code for the satellite laser communications Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-70 |
A satellite laser communication, one of the satellite communication techniques providing high-speed and high-capacity co... [more] | SAT2011-70 pp.31-36 |
| IT | 2011-09-29 - 2011-09-30 |
Tokyo | Tokyo Institute of Technology (Tokyo) | [Invited Talk]
A Common Perspective for Coding Theory and Theoretical Computer Science Tadashi Wadayama (Nitech) IT2011-28 |
This tutorial explains a fundamental relationship between coding theory and graph-cut problems. [more] | IT2011-28 pp.27-34 |
| RCS, SAT (Joint) |
2011-08-25 09:00 |
Niigata | Niigata Univ. (Niigata) | [Requested Talk] LEO-to-ground optical link channel model and the performance improvement by LDGM code Eiji Okamoto, Takuma Kyo (Nagoya Inst.Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-16 RCS2011-111 |
Satellite laser communication is expected as one of the next generation wireless systems because it enables to construct... [more] | SAT2011-16 RCS2011-111 pp.1-6 |
| RCS, SAT (Joint) |
2011-08-25 09:30 |
Niigata | Niigata Univ. (Niigata) | A multi-hop cooperative transmission scheme using LDGM codes for deep space-to-ground optical link Takuma Kyo, Eiji Okamoto (NIT), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-17 RCS2011-112 |
A multi-hop cooperative network is one of transmission systems which have been studied with forward error correction (F... [more] |
SAT2011-17 RCS2011-112 pp.7-12 |
| RCS, SAT (Joint) |
2011-08-25 09:55 |
Niigata | Niigata Univ. (Niigata) | A study on multi-rate transmission using LDGM code for satellite-to-ground laser communications Eiji Okamoto, Hirotaka Matsuo, Takuma Kyo (Nagoya Inst.Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-18 RCS2011-113 |
In satellite laser communications, a long round-trip delay occurs due to the long distance of the satellite altitude fro... [more] | SAT2011-18 RCS2011-113 pp.13-17 |
| SAT, RCS (Joint) |
2010-08-27 15:30 |
Kagoshima | Kagoshima Univ. (Kagoshima) | An eficient SDGM coding scheme for optical satellite-to-ground link based on a new channel model Yoshitoshi Yamashita, Eiji Okamoto, Yasunori Iwanami (Nagoya Inst. of Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2010-42 |
In this paper, we propose a new channel model of optical satellite-to-ground link by analyzing the results of optical tr... [more] | SAT2010-42 pp.75-80 |
| RCS | 2009-08-03 16:10 |
Miyagi | Tohoku Univ. (Miyagi) | Evaluation of SCLDGM code by field experiments Kohei Kambara, Kazuhiko Mitsuyama, Takayuki Nakagawa, Tetsuomi Ikeda (NHK) RCS2009-91 |
800MHz band Field Pick-up Unit (FPU) system is mainly used at live marathon programs to transmit the live camera picture... [more] | RCS2009-91 pp.79-84 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-06 09:00 |
Kanagawa | YRP (Kanagawa) | Half-Duplex Relaying with Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes Yusuke Kumano, Tomoaki Ohtsuki (Keio Univ.) RCS2008-269 |
Recently, the integration of cooperation with coding has proven to be a very useful technique to enhance the relay syste... [more] | RCS2008-269 pp.337-342 |
| CS | 2008-11-06 10:35 |
Hokkaido | Hotel Tsturuga, Akan, Hokkaido (Hokkaido, Hokkaido) | A Basic Study and Evaluations of Parallelized Low-density Generator-matrices Codes Masahiko Kitamura, Daisuke Shirai, Tatsuya Fujii (NTT) CS2008-30 |
This paper describes the parallelized decoding of low-density generator-matrices codes for high through rate. LDGM is a ... [more] | CS2008-30 pp.31-36 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 15:15 |
Okinawa | Okinawa industry support center (Okinawa) | Turbo Decoding for Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes Yusuke Kumano, Tomoaki Ohtsuki (Keio Univ.) RCS2008-109 |
Serially-Concatenated LDGM (SCLDGM) codes are attracting attention with very low encoding complexity and low error-floor... [more] | RCS2008-109 pp.37-42 |
| RCS | 2008-08-28 13:25 |
Hokkaido | Hokkaido University (Hokkaido) | Study of FEC for 800MHz band FPU system
-- Analysis of LDGM structure for LDPC concatenated code -- Kohei Kambara, Kazuhiko Mitsuyama, Takayuki Nakagawa, Tetsuomi Ikeda (NHK) RCS2008-79 |
800MHz band Field Pick-up Unit (FPU) system is mainly used at live marathon programs to transmit the live camera picture... [more] | RCS2008-79 pp.157-162 |
| RCS, AP (Joint) |
2007-11-08 15:00 |
Tokyo | Univ. of Electro-Commun. (Tokyo) | Turbo Decoding for Serially-Concatenated Low-Density Generator Matrix (SCLDGM) Codes Yusuke Kumano, Tomoaki Ohtsuki (Keio Univ.) RCS2007-104 |
Serially-Concatenated LDGM (SCLDGM) codes are attracting attention with very low encoding complexity and low error-floor... [more] | RCS2007-104 pp.43-47 |
| CS | 2007-10-05 09:25 |
Hokkaido | Tokachigawa, Hokkaido (Hokkaido) | A Study on the Parallelized Encoding of LDGM for the Robust Streamings of Super High Definition Videos Masahiko Kitamura, Daisuke Shirai, Yoshihide Tonomura, Tatsuya Fujii (NTT) CS2007-28 |
This paper describes methods of the parallerised LDGM(low density generator matrix) coding for the streaming of super hi... [more] | CS2007-28 pp.37-42 |
| CS | 2007-10-05 09:50 |
Hokkaido | Tokachigawa, Hokkaido (Hokkaido) | 4K Super High Definition Video Streaming System with JPEG 2000 codecs Daisuke Shirai, Masahiko Kitamura, Tatsuya Fujii (NTT) CS2007-29 |
This paper describes a 4K super high definition video streaming system using JPEG 2000 codec. This system can encode, tr... [more] | CS2007-29 pp.43-48 |
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