Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SIP, IT |
2019-02-01 11:40 |
Osaka |
Osaka University |
Linear Permutation Polynomial Codes Ryoichiro Yoshida, Kenta Kasai (Tokyo Tech) IT2018-63 SIP2018-93 RCS2018-270 |
Quasi-cyclic low-density parity-check (QC-LDPC) codes are one of the most important code classes of LDPC codes. They hav... [more] |
IT2018-63 SIP2018-93 RCS2018-270 pp.161-166 |
RCS, SIP, IT |
2019-02-01 12:05 |
Osaka |
Osaka University |
Factor Graph Representation of Renormalization Group Decoding on Toric Codes Takeshi Kakizaki, Kenta Kasai (Tokyo Tech) IT2018-64 SIP2018-94 RCS2018-271 |
We form a factor graph of renormalization group decoding on toric codes. Conventional decoder uses uni-directional sched... [more] |
IT2018-64 SIP2018-94 RCS2018-271 pp.167-172 |
IT, ISEC, WBS |
2016-03-11 10:25 |
Tokyo |
The University of Electro-Communications |
Performance Analysis of Spatially-Coupled MacKay-Neal Codes on Channels with Memory Takuya Okazaki, Kenta Kasai (Tokyo Tech) IT2015-127 ISEC2015-86 WBS2015-110 |
Obata et al. proved some spatially-coupled MacKay-Neal (SC-MN) codes achieve the capacitiy of the binary erasure channel... [more] |
IT2015-127 ISEC2015-86 WBS2015-110 pp.157-162 |
RCS, IT, SIP |
2016-01-19 15:10 |
Osaka |
Kwansei Gakuin Univ. Osaka Umeda Campus |
Spatially-Coupled Coding Approaching Symmetric Information Rate of Finite-State-Markov Fading Channels Hiroshi Abe, Kenta Kasai (Tokyo Tech) IT2015-97 SIP2015-111 RCS2015-329 |
[more] |
IT2015-97 SIP2015-111 RCS2015-329 pp.267-271 |
MRIS, ITE-MMS |
2015-12-10 14:15 |
Ehime |
Ehime Univ. |
[Invited Talk]
Error correcting codes without markers for deletion-insertion-substitution channels Ryohei Goto, Kenta Kasai, Haruhiko Kaneko (Tokyo Tech.) MR2015-24 |
[more] |
MR2015-24 pp.13-18 |
QIT (2nd) |
2014-11-17 13:30 |
Miyagi |
Tohoku Univ. |
[Poster Presentation]
Continuos Variable Quantum Key Distribution system for high-speed operation Yusuke Oguri, Vanou Ishii, Takuto Matsubara, Tsubasa Ichikawa, Takuya Hirano (Gakushuin Univ.), Kenta Kasai, Ryutaroh Matsumoto (Tokyo Tech.), Toyohiro Tsurumaru (Mitsubishi Electric) |
We report an experimental implementation of a continuous variable quantum key distribution (CV-QKD) protocol with discre... [more] |
|
IT |
2014-05-16 15:15 |
Oita |
Beppu International Convention Center |
A Necessary Condition for Universally Achieving the Capacity with Spatially-Coupled Hsu-Anastasopoulos Fountain Codes Yuki Igarashi, Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2014-9 |
[more] |
IT2014-9 pp.43-48 |
IT |
2014-01-27 13:55 |
Osaka |
Osaka City University |
A Proof That Spatially-Coupled (l, 3, 3) MacKay-Neal Codes Achieve the Capacity of BEC Takuya Okazaki, Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2013-49 |
[more] |
IT2013-49 pp.23-27 |
IT |
2014-01-27 14:20 |
Osaka |
Osaka City University |
A Proof for Achieving the Capacity with Spatially-Coupled Hsu-Anastasopoulos Rateless Codes Kosuke Sakata, Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2013-50 |
[more] |
IT2013-50 pp.29-34 |
IT |
2012-09-27 15:25 |
Gunma |
Kusatsu Seminar House |
Efficient Termination of Spatially-Coupled Codes Koji Tazoe, Kenta Kasai, Kohichi Sakaniwa (Tokyo Tech) IT2012-32 |
It has been reported that spatially-coupled Hsu-Anatasopoulos (SC-HA) codes have the bounded max-imum degree and approac... [more] |
IT2012-32 pp.7-12 |
IT |
2012-09-27 15:50 |
Gunma |
Kusatsu Seminar House |
Fountain Codes via Spatially-Coupled Hsu-Anastasopoulos Codes Kosuke Sakata, Kenta Kasai, Kohichi Sakaniwa (Tokyo Tech) IT2012-33 |
Raptor codes are fountain codes that achieve the capacity on the packet erasure channels.
However the optimal output d... [more] |
IT2012-33 pp.13-18 |
IT |
2012-09-27 16:15 |
Gunma |
Kusatsu Seminar House |
Analysis of Threshold Saturation for Spatially-Coupled MacKay-Neal Codes Naruomi Obata, Kenta Kasai, Kohichi Sakaniwa (Tokyo Tech) IT2012-34 |
The belief propagation (BP) threshold of spatially-coupled (SC) low-density parity-check (LDPC) codes is equal to the MA... [more] |
IT2012-34 pp.19-24 |
IT |
2012-09-28 14:25 |
Gunma |
Kusatsu Seminar House |
Message Passing Algorithm with MAP Decoding on Zigzag Cycles for Non-binary LDPC Codes Takayuki Nozaki, Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2012-44 |
In this paper, we propose a decoding algorithm which lowers decoding erasure rates in the error floor regions for non-bi... [more] |
IT2012-44 pp.75-80 |
IT |
2012-07-20 14:20 |
Aichi |
Toyota Technological Institute |
Linear time termination of systematic spatially-coupled codes Koji Tazoe, Kenta Kasai, Kohichi Sakaniwa (Tokyo Tech) IT2012-24 |
Spatially-coupled low-density parity-check codes attract much attention due to their capacity-achieving performance and ... [more] |
IT2012-24 pp.91-96 |
IT |
2012-01-20 14:30 |
Ibaraki |
University of Tsukuba |
Spatially-Coupled Codes for K-User Multiple Access Channels Takayuki Tsujimoto, Kenta Kasai, Kohichi Sakaniwa (TIT) IT2011-40 |
In this paper, we study low-density parity-check codes (LDPC) coded $K$-user erasure multiple access channels (EMAC).
... [more] |
IT2011-40 pp.7-12 |
IT |
2011-09-29 13:30 |
Tokyo |
Tokyo Institute of Technology |
[Invited Talk]
Spatially-Coupled Codes and Their Applications Kenta Kasai (Tokyo Tech) IT2011-24 |
[more] |
IT2011-24 pp.1-8 |
IT |
2011-09-29 14:40 |
Tokyo |
Tokyo Institute of Technology |
Spatially Coupled Low Density Lattice Codes Hironori Uchikawa (Tokyo Inst. of Tech.), Brian M. Kurkoski (Univ. of Electro-Comm.), Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2011-25 |
Spatially-coupled low-density lattice codes
(LDLC) are constructed using protographs.
Using Monte Carlo density evol... [more] |
IT2011-25 pp.9-14 |
IT |
2011-09-30 11:35 |
Tokyo |
Tokyo Institute of Technology |
Rate-Compatible Non-Binary LDPC Codes for Rate Adaptive Systems Puripong Suthisopapan (Khon Kaen Univ.), Kenta Kasai (Tokyo Inst. of Tech.), Virasit Imtawil (Khon Kaen Univ.), Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2011-30 |
[more] |
IT2011-30 p.41 |
IBISML |
2010-11-04 15:00 |
Tokyo |
IIS, Univ. of Tokyo |
[Poster Presentation]
Quantum Error Correction with Non-Binary LDPC Codes Kenta Kasai (Tokyo Inst. of Tech.), Manabu Hagiwara (AIST), Hideki Imai (Chuo Univ.), Kohichi Sakaniwa (Tokyo Inst. of Tech.) IBISML2010-77 |
Quantum error correction is used in quantum computing and quantum communications to protect quantum information from qua... [more] |
IBISML2010-77 pp.135-145 |
IT |
2010-09-21 13:30 |
Miyagi |
Tohoku Gakuin University |
[Invited Talk]
Non-binary LDPC Codes and Their Applications Kenta Kasai (Tokyo Tech) IT2010-34 |
[more] |
IT2010-34 pp.1-6 |