Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 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 15:20 |
Miyagi |
Tohoku Gakuin University |
Analysis of Error Floors of Non-Binary LDPC Codes over MBIOS Channel Takayuki Nozaki, Kenta Kasai, Kohichi Sakaniwa (Tokyo Tech) IT2010-36 |
In this paper, we investigate the error floors of non-binary low-density parity-check (LDPC) codes transmitted over the ... [more] |
IT2010-36 pp.13-18 |
IT |
2010-09-21 15:45 |
Miyagi |
Tohoku Gakuin University |
Performance and Construction of Rate-Compatible Non-Binary LDPC Convolutional Codes Hironori Uchikawa, Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) IT2010-37 |
In order to establish reliable communication systems over channels with wide range of noise strength,
it is desired to... [more] |
IT2010-37 pp.19-24 |
ITE-MMS, MRIS |
2009-12-10 16:15 |
Ehime |
Ehime Univ. |
[Invited Talk]
Design and decoding algorithms of non-binary LDPC codes Kenta Kasai, Kohichi Sakaniwa (Tokyo Inst. of Tech.) MR2009-43 |
[more] |
MR2009-43 pp.43-49 |
IT |
2008-09-11 16:40 |
Okinawa |
Culture Resort Festone (Okinawa) |
Bounds of MAP Decoding Performance for Non-binary LDPC Codes Eri Mutaguchi, Kenta Kasai (Tokyo Tech), Tomoharu Shibuya (Sophia Univ.), Kohichi Sakaniwa (Tokyo Tech) IT2008-25 |
[more] |
IT2008-25 pp.31-36 |
IT |
2008-09-11 17:05 |
Okinawa |
Culture Resort Festone (Okinawa) |
A Note on Analytical Solution of Covariance Evolution for Regular LDPC Codes Takayuki Nozaki, Kenta Kasai (Tokyo Inst. of Tech), Tomoharu Shibuya (Sophia Univ.), Kohichi Sakaniwa (Tokyo Inst. of Tech) IT2008-26 |
The covariance evolution is a system of differential equations which gives the covariance of each random
variable corre... [more] |
IT2008-26 pp.37-42 |
IT |
2008-09-12 15:10 |
Okinawa |
Culture Resort Festone (Okinawa) |
Multi-Edge type LDPC Code Ensembles with Exponentially Few Codewords of Linear Small Weight Tomoharu Awano, Kenta Kasai (tokyo Inst. of Tech.), Tomoharu Shibuya (Sophia Univ.), Kohichi Sakaniwa (tokyo Inst. of Tech.) IT2008-37 |
Multi-edge type LDPC codes are introduced by Richardson and Urbanke, and they show examples of their ensembles have bett... [more] |
IT2008-37 pp.99-104 |
WBS, IT, ISEC |
2006-03-17 08:30 |
Aichi |
Nagoya Univ. |
Stopping set Distribution of Multi-Edge type LDPC Code Ensembles Tatsuya Okubo, Kenta Kasai, Yuji Shimoyama, Kohichi Sakaniwa (Tokyo Tech.) |
[more] |
IT2005-119 ISEC2005-176 WBS2005-133 pp.141-146 |
WBS, IT, ISEC |
2006-03-17 08:55 |
Aichi |
Nagoya Univ. |
Second Support Weight Distribution of Regular LDPC Code Ensembles Takayuki Itsui, Kenta Kasai, Ryoji Ikegaya (Tokyo Inst. of Tech.), Tomoharu Shibuya (NIME), Kohichi Sakaniwa (Tokyo Inst. of Tech.) |
[more] |
IT2005-120 ISEC2005-177 WBS2005-134 pp.147-151 |