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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 32  /  [Next]  
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
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