Kohichi Sakaniwa

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Paper Special Section on Information Theory and Its Applications Asymptotic Weight and Stopping Set Distributions for Detailedly Represented Irregular Ldpc Code Ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2022 .

Concentration of the Decoding Performance for Detailedly Represented Irregular LDPC Code Ensembles

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2004 .

A Simple Least-Squares Design of M-D IIR Filters with Fixed Separable Denominator Based on Multivariate Division Algorithm

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2000, Multidimens. Syst. Signal Process..

Simple Low-Rate Non-Binary LDPC Coding for Relay Channels pdf

Kenta Kasai, Kohichi Sakaniwa, Puripong Suthisopapan, 2011, ArXiv.

Non-binary quasi-cyclic quantum LDPC codes

Hideki Imai, Kenta Kasai, Kohichi Sakaniwa, 2011, 2011 IEEE International Symposium on Information Theory Proceedings.

Rate-Compatible Slepian-Wolf Coding with Short Non-Binary LDPC Codes

Kenta Kasai, Kohichi Sakaniwa, Ryutaroh Matsumoto, 2010, 2010 Data Compression Conference.

Upper Bounds of Block Error Probability of Standard Irregular LDPC Code Ensemble under Maximum Likelihood Decoding

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2006 .

An adaptive multiuser detector based on radial basis function network and linear adaptive filter for DS/CDMA communications

Motoharu Miyake, Kohichi Sakaniwa, Kunio Oishi, 2003 .

Effects of Single-Cycle Structure on Iterative Decoding of Low-Density Parity-Check Codes

Kenta Kasai, Kohichi Sakaniwa, Toshiyuki Tanaka, 2013, IEEE Transactions on Information Theory.

Tight Bounds of Minimum Distance Distributions of Irregular LDPC Code Ensembles

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2007, 2007 IEEE International Symposium on Information Theory.

Analysis of Error Floors of Non-Binary LDPC Codes over MBIOS Channel

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2011, 2011 IEEE International Conference on Communications (ICC).

A fast blind multiple access interference reduction in DS/CDMA systems by adaptive projected subgradient method

Isao Yamada, Kohichi Sakaniwa, Renato L. G. Cavalcante, 2004, 2004 12th European Signal Processing Conference.

Spatially-Coupled Codes for K-User Erasure Multiple Access Channels

Kenta Kasai, Kohichi Sakaniwa, Takayuki Tsujimoto, 2012 .

Stopping set distributions of two-edge type LDPC code ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2005, ISIT.

An optimal design for a homomorphic deconvolution system

Isao Yamada, Kohichi Sakaniwa, 1992, IEEE Trans. Signal Process..

Finite-length analysis of irregular expurgated LDPC codes under finite number of iterations

Kenta Kasai, Kohichi Sakaniwa, Toshiyuki Tanaka, 2009, 2009 IEEE International Symposium on Information Theory.

Weight distributions of multi-edge type LDPC codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2009, ISIT.

New Multi-dimensional Homomorphic Operator And Its Properties

Kohichi Sakaniwa, Isao Yamada, 1991, Proceedings of the Seventh Workshop on Multidimensional Signal Processing.

Average Error Probability of Standard Irregular LDPC Code Ensemble under Maximum Likelihood Decoding

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2005 .

The Asymptotic Bit Error Probability of LDPC Codes for the Binary Erasure Channel with Finite Iteration Number pdf

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008, ArXiv.

Spatially coupled quasi-cyclic quantum LDPC codes

Hideki Imai, Kenta Kasai, Kohichi Sakaniwa, 2011, 2011 IEEE International Symposium on Information Theory Proceedings.

Spectrum estimation of real vector wide sense stationary processes by the Hybrid Steepest Descent Method

Isao Yamada, Kohichi Sakaniwa, Konstantinos Slavakis, 2002, 2002 IEEE International Conference on Acoustics, Speech, and Signal Processing.

A nonlinear pre-filtering technique for set-theoretic linear blind deconvolution scheme

Isao Yamada, Kohichi Sakaniwa, Masanori Kato, 1999, Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348).

A Note on t-Unidirectional Error Correcting and d(d>=t)-Unidirectional Error Detecting (t-UEC and d-UED) Codes

Kohichi Sakaniwa, T. R. N. Rao, Tae Nam Ahn, 1991, IEEE Trans. Computers.

Spatially-coupled MacKay-Neal codes and Hsu-Anastasopoulos codes

Kenta Kasai, Kohichi Sakaniwa, 2011, 2011 IEEE International Symposium on Information Theory Proceedings.

Weight and Stopping Set Distributions of Two-Edge Type LDPC Code Ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2005 .

Factor graphs for cyclic codes with no cycles of length four

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 2001 .

Some properties of a nonlinear combiner function: Linear complexity, mutual information, and correlation immunity

Kohichi Sakaniwa, Masakatu Morii, Tomohiko Uyematsu, 2003 .

A Practical Subspace Blind Identification Algorithm with Reduced Computational Complexity : Colored Noise Case

Toshihiro Furukawa, Kohichi Sakaniwa, Shigeo Tsujii, 2004 .

Threshold improvement of low-density lattice codes via spatial coupling

Brian M. Kurkoski, Kenta Kasai, Kohichi Sakaniwa, 2012, 2012 International Conference on Computing, Networking and Communications (ICNC).

An automatic equalizer using block‐iterative algorithm

Kohichi Sakaniwa, Hiroshi Yokoyama, 1982 .

Spatially-coupled binary MacKay-Neal codes for channels with non-binary inputs and affine subspace outputs

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2012, 2012 IEEE International Symposium on Information Theory Proceedings.

MA system identification from bispectrum

Kohichi Sakaniwa, Isao Yamada, 1994 .

Performance of Standard Irregular LDPC Codes under Maximum Likelihood Decoding

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Algebraic multidimensional phase unwrapping and zero distribution of complex polynomials-characterization of multivariate stable polynomials

Isao Yamada, Hiroshi Hasegawa, Kaoru Kurosawa, 1998, IEEE Trans. Signal Process..

Modified Low-Density MDS Array Codes for Tolerating Double Disk Failures in Disk Arrays

Kohichi Sakaniwa, Hachiro Fujita, 2007, IEEE Transactions on Computers.

A truncated polynomial interpolation theorem and its application to the WLS design of IIR filters

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2002, 2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353).

Weight distribution for non-binary cluster LDPC code ensemble

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2013, 2013 IEEE International Symposium on Information Theory.

Rate-Compatible Non-Binary LDPC Codes for Rate Adaptive Systems

Kenta Kasai, Kohichi Sakaniwa, Puripong Suthisopapan, 2011 .

Design of Irregular Repeat Accumulate Codes with Joint Degree Distributions

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Iterative Decoding Based on the Concave-Convex Procedure

Tomoharu Shibuya, Kohichi Sakaniwa, Ken Harada, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A-4-19 A Super-Resolution of Movies Based on Adaptive Parallel Subgradient Projection Technique

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2004 .

Analysis of Error Floors of Non-Binary LDPC Codes over MBIOS Channel

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2011, ICC.

Weight distribution for non-binary cluster LDPC code ensemble

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2013, ISIT.

Error floors of non-binary LDPC codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2010, 2010 IEEE International Symposium on Information Theory.

A multidimensional isomorphic operator and its properties-a proposal of finite-extent multidimensional cepstrum

Isao Yamada, Kohichi Sakaniwa, Shigeo Tsujii, 1994, IEEE Trans. Signal Process..

Terminated LDPC convolutional codes over GF(2p)

Kenta Kasai, Kohichi Sakaniwa, Hironori Uchikawa, 2010, 2010 48th Annual Allerton Conference on Communication, Control, and Computing (Allerton).

Quantum Error Correction Beyond the Bounded Distance Decoding Limit

Hideki Imai, Kenta Kasai, Kohichi Sakaniwa, 2010, IEEE Transactions on Information Theory.

Weight Distributions of Non-binary LDPC Codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Two-edge type LDPC code ensembles with exponentially few codewords with linear small weight

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008, 2008 IEEE International Symposium on Information Theory.

Some Classes of Quasi-Cyclic LDPC Codes: Properties and Efficient Encoding Method

Kohichi Sakaniwa, Hachiro Fujita, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Design Method for Optical Fiber filters of Lattice and Ladder Structures

Kohichi Sakaniwa, Chae Wook Lee, 1989 .

Fountain codes with multiplicatively repeated non-binary LDPC codes

Kenta Kasai, Kohichi Sakaniwa, K. Sakaniwa, 2010, 2010 6th International Symposium on Turbo Codes & Iterative Information Processing.

Information reconciliation for QKD with rate-compatible non-binary LDPC codes

Kenta Kasai, Kohichi Sakaniwa, Ryutaroh Matsumoto, 2010, 2010 International Symposium On Information Theory & Its Applications.

Performance of a Decoding Algorithm for LDPC Codes Based on the Concave-Convex Procedure

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Multiplicatively Repeated Non-Binary LDPC Codes pdf

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2010, ArXiv.

A color super-resolution with multiple nonsmooth constraints by hybrid steepest descent method

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2005, IEEE International Conference on Image Processing 2005.

An optimal set-theoretic blind deconvolution scheme based on hybrid steepest descent method

Isao Yamada, Kohichi Sakaniwa, Masanori Kato, 1999, 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. ICASSP99 (Cat. No.99CH36258).

An iterative MPEG super-resolution with an outer approximation of framewise quantization constraint

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2004, MMSP.

An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2006, MMSP.

Modified Low Density MDS Array Codes for RAID and Memory Systems

Kohichi Sakaniwa, Hachiro Fujita, K. Sakaniwa, 2004 .

Spatially Coupled Protograph-Based LDPC Codes for Decode-and-Forward in Erasure Relay Channel

Kenta Kasai, Kohichi Sakaniwa, Hironori Uchikawa, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

An adaptive super-resolution of videos with noise information on camera systems

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2005, Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005..

Detailed evolution of degree distributions in residual graphs with joint degree distributions

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008, 2008 IEEE International Symposium on Information Theory.

On Generalized Hamming Weights of Codes Constructed on Affine Algebraic Sets

Tomoharu Shibuya, Kohichi Sakaniwa, Jiro Mizutani, 1997, AAECC.

A construction method for t-EC/AUED codes based on t-EC codes

Kohichi Sakaniwa, K. Yoshida, H. Jinushi, 1992, [Proceedings] Singapore ICCS/ISITA `92.

Average Coset Weight Distribution of Multi-Edge Type LDPC Code Ensembles

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Average Bit Erasure Probability of Regular LDPC Code Ensembles under MAP Decoding over BEC

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Non-binary LDPC codes with large alphabet size

Kenta Kasai, Kohichi Sakaniwa, Koji Tazoe, 2014, 2014 IEEE International Symposium on Information Theory.

On a decoding algorithm for LDPC codes based on the concave-convex procedure

Tomoharu Shibuya, Kohichi Sakaniwa, 2003, IEEE International Symposium on Information Theory, 2003. Proceedings..

Multi-edge type LDPC code ensembles with exponentially few codewords of linear small weight (情報理論)

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008 .

Spatially-coupled precoded rateless codes with bounded degree achieve the capacity of BEC under BP decoding

Kenta Kasai, Kohichi Sakaniwa, Kosuke Sakata, 2014, 2014 IEEE International Symposium on Information Theory.

Message Passing Decoder with Decoding on Zigzag Cycles for Non-binary LDPC Codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2014, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Howling Suppressor Using Adaptive Notch Filter and its DSP Realization

Kohichi Sakaniwa, Shigeo Tsujii, Hideki Yoshioka, 1990 .

Sufficient Conditions for a Regular LDPC Code Better than an Irregular LDPC Code

Kenta Kasai, Kohichi Sakaniwa, Shinya Miyamoto, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Second Support Weight Distribution of Regular LDPC Code Ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2006, 2006 IEEE International Symposium on Information Theory.

Analytical solution of covariance evolution for regular LDPC codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2008, ISIT.

Iterative encoding with Gauss-Seidel method for spatially-coupled low-density lattice codes

Brian M. Kurkoski, Kenta Kasai, Kohichi Sakaniwa, 2012, 2012 IEEE International Symposium on Information Theory Proceedings.

Performance Analysis of LDPC Code Ensembles with Support Weight Distribution

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2006 .

Effect of asymmetric error correcting codes in photon communication systems

Kohichi Sakaniwa, M. Nakagawa, Osamu Hirota, 1988 .

Fountain Coding via Multiplicatively Repeated Non-Binary LDPC Codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2012, IEEE Transactions on Communications.

The Block Error Probability of Detailedly Represented Irregular LDPC Code Ensembles under Maximum Likelihood Decoding

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2006, 2006 IEEE Information Theory Workshop - ITW '06 Punta del Este.

Efficient realization of pulse-shaping networks by employing asymmetric reference wave-forms with fixed spectral envelopes

Kohichi Sakaniwa, Genya Kishi, Yoshiyuki Takei, 1986 .

A-6-2 Modified Cancellation for Non-Binary LDPC Codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2010 .

An optimization of the stable tap-adjustment algorithm for the fractionally spaced equalizer

Kohichi Sakaniwa, T. Uyematsu, T. Iida, 1988, IEEE International Conference on Communications, - Spanning the Universe..

Message passing algorithm with MAP decoding on zigzag cycles for non-binary LDPC codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2013, 2013 IEEE International Symposium on Information Theory.

An Application of Extended Symbol-Aided Estimation to Cochannel Interference

Kohichi Sakaniwa, Le Hai Nam, 1997 .

Spatially-coupled precoded rateless codes

Kenta Kasai, Kohichi Sakaniwa, Kosuke Sakata, 2013, 2013 IEEE International Symposium on Information Theory.

An optimal design of homomorphic deconvolution system

Isao Yamada, Kohichi Sakaniwa, 1989, IEEE International Symposium on Circuits and Systems,.

A design method for coherent optical fiber filters of direct form

Kohichi Sakaniwa, Chae‐Wook Lee, 1990 .

Analysis of stopping constellation distribution for irregular non-binary LDPC code ensemble

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2011, 2011 IEEE International Symposium on Information Theory Proceedings.

Constrained parallel projection methods for optimal signal estimation and design-constrained inconsistent signal feasibility problems

Isao Yamada, Kohichi Sakaniwa, Nobuhiko Ogura, 1996, Proceedings of 3rd IEEE International Conference on Image Processing.

Justesen-Type Modified Expander Codes and Their Decoding Algorithm

Kohichi Sakaniwa, Hachiro Fujita, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Asymptotic Stopping Set Distribution for Detailedly Represented Irregular LDPC Code Ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2003 .

A Construction Method for m-ary Unidirectional Error Control Codes

Kohichi Sakaniwa, T. R. N. Rao, Tae Nam Ahn, 1990, AAECC.

Fourier domain decoding algorithm of non-binary LDPC codes for parallel implementation

Kenta Kasai, Kohichi Sakaniwa, 2011, ICASSP.

Analysis of error floors of generalized non-binary LDPC codes over q-ary memoryless symmetric channels

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2012, 2012 IEEE International Symposium on Information Theory Proceedings.

High‐rate, power‐efficient coding for optical communication: Design and performance evaluation

Kohichi Sakaniwa, Tomohiko Uyematsu, Hideaki Yagi, 1992 .

Asymptotic bit error probability of LDPC codes for the binary erasure channel with finite number of iterations

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008, 2008 IEEE International Symposium on Information Theory.

Design of IRA codes with Joint Degree Distributions

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2005 .

Special Issue on the Latest Development of Telecommunication Research

Masayuki Tanimoto, Kiyoharu Aizawa, Kazuyoshi Oshima, 1998 .

Analysis of Error Floors for Non-binary LDPC Codes over General Linear Group through q-Ary Memoryless Symmetric Channels

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Code design for very noisy relay channels

Kenta Kasai, Kohichi Sakaniwa, Puripong Suthisopapan, 2012, 2012 IEEE International Symposium on Information Theory Proceedings.

Extended Symbol-Aided Estimation for Fading Channels

Kohichi Sakaniwa, Hai Nam Le, Ken'ichiro Koyanagi, 1996 .

Fourier domain decoding algorithm of non-binary LDPC codes for parallel implementation

Kenta Kasai, Kohichi Sakaniwa, K. Sakaniwa, 2010, 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Rate-compatible non-binary LDPC codes concatenated with multiplicative repetition codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2010, 2010 IEEE International Symposium on Information Theory.

Fountain Codes via Spatially-Coupled Hsu-Anastasopoulos Codes

Kenta Kasai, Kohichi Sakaniwa, Kosuke Sakata, 2012 .

Spatially-coupled MacKay-Neal codes and Hsu-Anastasopoulos codes

Kenta Kasai, Kohichi Sakaniwa, 2011, ISIT.

Electronic Publishing in Engineering Sciences Society

Kohichi Sakaniwa, 2011 .

Weight distributions of multi-edge type LDPC codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2009, 2009 IEEE International Symposium on Information Theory.

Analysis of Error Floors of Non-binary LDPC Codes over BEC

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A-6-1 Design of Irregular LDPC Codes with Uniform Check Node Degree Distributions

Kenta Kasai, Kohichi Sakaniwa, 2005 .

Design and Performance of Rate-Compatible Non-binary LDPC Convolutional Codes

Kenta Kasai, Kohichi Sakaniwa, Hironori Uchikawa, 2010, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Performance evaluation and improvements of ARQ schemes for optical communication

Kohichi Sakaniwa, T. Uyematsu, Jun Mitsugi, 1994 .

Detailed evolution of degree distributions in residual graphs with joint degree distributions

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2008, ISIT.

Multiplicatively Repeated Nonbinary LDPC Codes

David Declercq, Kenta Kasai, Kohichi Sakaniwa, 2011, IEEE Transactions on Information Theory.

Improvement of Performance of the BCGM-OR Algorithm in Unknown Noise Variance

Kohichi Sakaniwa, Masahiro Fukumoto, Hajime Kubota, 1996 .

On Designed Distance of Algebraic Geometric Codes

Tomoharu Shibuya, Kohichi Sakaniwa, Shinji Miura, 1994 .

A hidgher order generalization of an alias-free discrete time-frequency analysis

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2002, 2002 IEEE International Conference on Acoustics, Speech, and Signal Processing.

Computation of symmetric positive definite Toeplitz matrices by the hybrid steepest descent method

Isao Yamada, Kohichi Sakaniwa, Konstantinos Slavakis, 2003, Signal Process..

Analytical Solution of Covariance Evolution for Irregular LDPC Codes

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2009, IEEE Transactions on Information Theory.

Spatially coupled LDPC codes for decode-and-forward in erasure relay channel

Kenta Kasai, Kohichi Sakaniwa, Hironori Uchikawa, 2011, 2011 IEEE International Symposium on Information Theory Proceedings.

Efficient termination of spatially-coupled codes

Kenta Kasai, Kohichi Sakaniwa, Koji Tazoe, 2012, 2012 IEEE Information Theory Workshop.

A Super Resolution Reconstruction of MPEG Compressed Video Sequences

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2003 .

Fast Acquisition of PN Sequences in DS-CDMA Systems with Incoherent Demodulator

Kohichi Sakaniwa, Vladimir Mikhailov, Sergei Bychenkov, 2006, IEICE Trans. Commun..

An iterative MPEG super-resolution with an outer approximation of framewise quantization constraint

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2004, IEEE 6th Workshop on Multimedia Signal Processing, 2004..

An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions

Isao Yamada, Hiroshi Hasegawa, Kohichi Sakaniwa, 2006, 2006 IEEE Workshop on Multimedia Signal Processing.

A Subspace Blind Identification Algorithm with Reduced Computational Complexity - Colored Noise Case -

Toshihiro Furukawa, Kohichi Sakaniwa, Shigeo Tsujii, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Analysis of Stopping Constellation Distribution for Irregular Non-binary LDPC Code Ensemble

Kenta Kasai, Kohichi Sakaniwa, Takayuki Nozaki, 2011 .

Simple Nonbinary Coding Strategy for Very Noisy Relay Channels

Kenta Kasai, Kohichi Sakaniwa, Puripong Suthisopapan, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

New results on stability theory of time-varying linear systems

Kohichi Sakaniwa, Jinhui Chao, Shigeo Tsujii, 1994, Proceedings of IEEE International Symposium on Circuits and Systems - ISCAS '94.

Stopping Set Distributions of IRA and IRA Type LDPC Code Ensembles

Ryoji Ikegaya, Kenta Kasai, Tomoharu Shibuya, 2004 .

An algebraic method for constructing efficiently encodable irregular LDPC codes

Kohichi Sakaniwa, Hachiro Fujita, Maki Ohata, 2005, Proceedings. International Symposium on Information Theory, 2005. ISIT 2005..

An efficient encoding method for LDPC codes based on cyclic shift

Kohichi Sakaniwa, Hachiro Fujita, K. Sakaniwa, 2004, International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings..

Blind identification using channel order estimation: subspace approach based on CGM

Toshihiro Furukawa, Kohichi Sakaniwa, Shigeo Tsujii, 2002, Proceedings of 2002 IEEE 10th Digital Signal Processing Workshop, 2002 and the 2nd Signal Processing Education Workshop..

Simple derivation of stability radius of multivariate systems

Isao Yamada, Kohichi Sakaniwa, Hiroshi Hasegawa, 1997 .

An Improved Bound for the Dimension of Subfield Subcodes

Tomoharu Shibuya, Kohichi Sakaniwa, Ryutaroh Matsumoto, 1997 .

Spatially coupled LDPC codes for decode-and-forward in erasure relay channel

Kenta Kasai, Kohichi Sakaniwa, Hironori Uchikawa, 2011, ISIT.

A design method for transversal filters with nonuniform tap spacings based on the mean square error criterion

Kohichi Sakaniwa, Tomohiko Uyematsu, K. Sakaniwa, 1985 .

Lower bound on generalized Hamming weights in terms of a notion of well-behaving

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 1998, Proceedings. 1998 IEEE International Symposium on Information Theory (Cat. No.98CH36252).

A Note on a Lower Bound for Generalized Hamming Weights

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 2001 .

Construction of Cyclic Codes Suitable for Iterative Decoding via Generating Idempotents

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Lower Bound for Generalized Hamming Weights and a Condition for t-th Rank MDS ∗

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 1999 .

Detailed representation of irregular LDPC code ensembles and density evolution

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2003, IEEE International Symposium on Information Theory, 2003. Proceedings..

Lower Bounds for Generalized Hamming Weights of Linear Codes on Affine Algebraic Varieties

Tomoharu Shibuya, Kohichi Sakaniwa, Jiro Mizutani, 1997 .

Detailedly Represented Irregular Low-Density Parity-Check Codes

Kenta Kasai, Tomoharu Shibuya, Kohichi Sakaniwa, 2003, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Fast Encoding of Algebraic Geometry Codes

Kohichi Sakaniwa, Ryutaroh Matsumoto, Masakuni Oishi, 2001 .

A dual of well-behaving type designed minimum distance

Tomoharu Shibuya, Kohichi Sakaniwa, K. Sakaniwa, 2000, 2000 IEEE International Symposium on Information Theory (Cat. No.00CH37060).