Graduate School of Science and Engineering,

Department of Communications and Computer Engineering,

Tokyo Institute of Technology

kenta@comm.ce.titech.ac.jp

Japanese

- K. Kasai, “Spatially-Coupled Codes and Their Recent Development,” pdf (japanese)
- K. Sakata, K. Kasai, and K. Sakaniwa “Packet Erasure Correcting Codes via Spatially-Coupled Codes,” pdf (japanese)

- P. Suthisopapan, K. Kasai, A. Meesomboon, and V. Imtawil, “Achieving Near Capacity of Non-Binary LDPC Coded Large MIMO Systems with a Novel Ultra Low-Complexity Soft-Output Detector,” IEEE Trans. Wireless Communications, 2013.
- J. Andrade, G. Falcao, V. Silva, and K. Kasai, “FFT-SPA Non-Binary LDPC Decoding on GPU,” IEEE ICASSP 2013.
- R. Ohashi, K. Kasai, and K. Takeuchi, “Multi-Dimensional Spatially-Coupled Codes,” arXiv, IEEE ISIT2013.
- N. Obata, Y.-Y. Jian, K. Kasai, and H. D. Pfister, “Spatially-Coupled Multi-Edge Type LDPC Codes with Bounded Degrees that Achieve Capacity on the BEC under BP Decoding,” arXiv, IEEE ISIT2013.
- K. Sakata, K. Kasai, and K. Sakaniwa, “Spatially-Coupled Precoded Rateless Codes,” arXiv, IEEE ISIT2013.
- T. Nozaki, K. Kasai, and K. Sakaniwa, “Message Passing Algorithm with MAP Decoding on Zigzag Cycles for Non-binary LDPC Codes,” IEEE ISIT2013.
- T. Nozaki, M. Maehara, K. Kasai, and K. Sakaniwa, “Weight Distribution for Non-binary Cluster LDPC Code Ensemble,” IEEE ISIT2013.
- T. Nozaki, K. Kasai, and K. Sakaniwa, “Density Evolution and Stability Condition for Non-binary LDPC Codes over Galois Field,” arXiv.
- M. Hagiwara and K. Kasai, “Coset WOM Codes based on Belief Propagation with Medium-Density Parity-Check Matrix,” arXiv.
- K. Takeuchi, T. Tanaka, and K. Kasai, “A Potential Theory of General Spatially-Coupled Systems via a Continuum Approximation,” arXiv.

- N. Obata, K. Kasai, and K. Sakaniwa, “Analysis of Threshold Saturation for Spatially-Coupled MacKay-Neal Codes,” pdf (japanese).
- K. Sakata, K. Kasai, and K. Sakaniwa, “Fountain Codes via Spatially-Coupled Hsu-Anastasopoulos Codes,” pdf (japanese).
- K. Tazoe, K. Kasai, and K. Sakaniwa, “Efficient Termination of Spatially-Coupled Codes,” pdf (japanese).
- T. Nozaki, K. Kasai, and K. Sakaniwa, “Message Passing Algorithm with MAP Decoding on Zigzag Cycles for Non-binary LDPC Codes,”
- K. Tazoe, K. Kasai, and K. Sakaniwa, “Linear Time Termination of Systematic Spatially-Coupled Codes,” pdf (japanese).
- P. Suthisopapan, K. Kasai, A. Meesomboon, V. Imtawil and K. Sakaniwa, “Simple Nonbinary Coding Strategy for Very Noisy Relay Channels,” pdf.
- T. Nozaki, K. Kasai, and K. Sakaniwa, “Analytical Solution of Covariance Evolution for Regular LDPC Codes,” accepted, IEEE Trans. Infomation Theory. arXiv.
- P. Suthisopapan, K. Kasai, A. Meesomboon, and V. Imtawil, “Near Capacity Approaching for Large MIMO Systems by Non-Binary LDPC Codes with MMSE Detection,” pdf.
- K. Kasai, T. Nozaki and K. Sakaniwa, “Spatially-Coupled Binary MacKay-Neal Codes for Channels with Non-Binary Inputs and Affine Subspace Outputs,” pdf.
- K. Kasai, D. Declercq and K. Sakaniwa, “Fountain Coding via Multiplicatively Repeated Non-Binary LDPC Codes,” IEEE Trans. on Communications, accepted. preprint.
- T. Tsujimoto, K. Kasai and K. Sakaniwa “Spatially-Coupled Codes for K-User Erasure Multiple Access Channels,” in Japanese, U. Tsukuba, pdf.

- K. Kasai, “New Topics in Coding Theory,” in Japanese, SITA2011 Evening Workshop, slide.
- K. Kasai, “LDPC codes and their applications,” in Japanese, IEE, slide.
- H. Uchikawa, B. Kurkoski, K. Kasai, and K. Sakaniwa, “Iterative Encoding of Spatially-Coupled Low-Density Lattice Codes,” in Japanese, SITA2011, pdf, slide.
- S. Sekido, K. Kasai and K. Sakaniwa, “Threshold Saturation on PR2 Erasure Channel via Spatial Coupling,” in Japanese, SITA2011, pdf, slide.
- Y. Sato, K. Kasai and K. Sakaniwa, “Compressed sensing via node-based verication recovery with band sparse matrices,” in Japanese, SITA2011, pdf, slide.
- K. Kasai, “Spatially-Coupled Codes and Their Applications,” in Japanese, LDPC Workshop, pdf, slide, image.
- K. Kasai, “The Many Applications of Spatially-Coupled Codes,” ITW2011, slide, slide.
- P. Suthisopapan, K. Kasai, A. Meesomboon, V. Imtawil and K. Sakaniwa, “Simple Low-Rate Non-Binary LDPC Coding for Relay Channels,” pdf.
- H. Pfister and K. Kasai, “Applications of Spatial Coupling in Communications, Computer Science, Signal Processing, and Statistical Physics -- An Overview,” CAACT@EPFL.
- K. Kasai, “Spatial Coupling MN (MacKay and Neal) and HA (Hsu and Anastasopoulos) Codes,” CAACT@EPFL.
- K. Kasai, “Problem 6-9: The Guide of the Perplexed: Open Problems on Spatially-Coupled Codes,” CAACT@EPFL, slide.
- H. Uchikawa, B. Kurkoski, K. Kasai, and K. Sakaniwa, “Threshold Improvement of Low-Density Lattice Codes via Spatial Coupling,” submitted to ICNC2012, arXiv.
- K. Kasai, M. Hagiwara, H. Imai and K. Sakaniwa, “Quantum Error Correction beyond the Bounded Distance Decoding Limit,” accepted, IEEE Trans. Infomation Theory. arXiv.
- K. Kasai, D. Declercq, C. Poulliat and K. Sakaniwa, “Multiplicatively Repeated Non-Binary LDPC Codes,” accepted, IEEE Trans. Infomation Theory. arXiv.
- K. Kasai, C. Poulliat, D. Declercq and K. Sakaniwa, “Weight Distributions of Non-binary LDPC Codes,” IEICE Trans. on Fundamentals. Vol.E94-A No.4 pp.1106-1115. pdf.
- K. Kasai, and K. Sakaniwa, “Spatially-Coupled MacKay-Neal codes and Hsu-Anastasopoulos codes,” ISIT2011, arXiv, pdf, pdf, slide.
- K. Kasai, M. Hagiwara, H. Imai and K. Sakaniwa, “Non-Binary Quasi-Cyclic Quantum LDPC Codes,” ISIT2011. arXiv slide.
- T. Nozaki, K. Kasai, and K. Sakaniwa, “Analysis of Stopping Constellation Distribution for Irregular Non-binary LDPC code ensemble,” ISIT2011, pdf.
- H. Uchikawa, K. Kasai, and K. Sakaniwa, “Spatially Coupled LDPC Codes for Decode-and-Forward in Erasure Relay Channel,” ISIT2011, pdf, pdf.
- M. Hagiwara, K. Kasai, H. Imai and K. Sakaniwa, “Spatially Coupled Quasi-Cyclic Quantum LDPC Codes,” ISIT2011, arXiv slide.
- S. Kudekar and K. Kasai, “Spatially Coupled Codes over the Multiple Access Channel,” ISIT2011, arXiv slide.
- S. Kudekar and K. Kasai, “Threshold Saturation on Channels with Memory via Spatial Coupling,” ISIT2011, arXiv slide.
- K. Kasai and K. Sakaniwa, “Fourier Domain Decoding Algorithm of Non-Binary LDPC codes for Parallel Implementation,” ICASSP2011, poster.
- T. Nozaki, K. Kasai and K. Sakaniwa, “Analysis of Error Floors of Non-Binary LDPC Codes over MBIOS Channel,” ICC2011.
- K. Kasai and K. Sakaniwa, “An introduction to spatially coupled LDPC codes,” Workshop on Spatially Coupled Codes and Related Topics, web page , pdf.
- K. Kasai and K. Sakaniwa, “Spatial Coupling Capacity-Achieving Codes with Bounded Density,” ITA@UCSD slide.
- H. Uchikawa, K. Kasai, and K. Sakaniwa, “Spatially coupled protograph-based LDPC codes for erasure relay channel,” ITA@UCSD.

- K. Kasai and K. Sakaniwa, “Spatially-Coupled Bounded-Density Capacity-Achieving Codes,” in Japanese, SITA2010. pdf slide.
- K. Kasai, “Non-Binary LDPC Codes and Their Applications,” in Japanese, LDPC Workshop, pdf, slide.
- K. Kasai, T. Awano, D. Declercq, C. Poulliat and K. Sakaniwa, “Weight Distributions of Multi-Edge type LDPC Codes,” IEICE Trans. on Fundamentals, vol. E93-A, no. 11, pp. 1942-1948, Nov. 2010. arXiv.
- K. Kasai and K. Sakaniwa, “Fourier Domain Decoding Algorithm of Non-Binary LDPC codes for Parallel Implementation,” IEICE Trans. on Fundamentals. vol. E93-A, no. 11, pp. 1949-1957, Nov. 2010. arXiv.
- K. Kasai, R. Matsumoto, and K. Sakaniwa, “Information Reconciliation for QKD with Rate-Compatible Non-Binary LDPC Codes,” ISITA2010. pdf.
- H. Uchikawa, K. Kasai, and K. Sakaniwa, “Terminated LDPC Convolutional Codes over GF(2
^{p}),” Allerton 2010. arXiv. - K. Kasai, M. Hagiwara, H. Imai and K. Sakaniwa, “Quantum Error Correction beyond the Bounded Distance Decoding Limit,” July, 2010. arXiv poster.
- K. Kasai and K. Sakaniwa, “Fountain Codes with Multiplicatively Repeated Non-Binary LDPC Codes,” the 6th International Symposium on Turbo Codes & Iterative Information Processing, September, 2010. poster.
- K. Kasai, D. Declercq, C. Poulliat and K. Sakaniwa, “Rate-Compatible Non-Binary LDPC Codes Concatenated with Multiplicative Repetition Codes,” ISIT2010. Slide arXiv.
- T. Nozaki,K. Kasai and K. Sakaniwa, “Error Floors of Non-Binary LDPC Codes,” ISIT2010. IEEE Xplore.
- I. Andriyanova and K. Kasai, “Finite-Length Scaling of Non-Binary (c,d) LDPC Codes of the BEC,” ISIT2010.
- K. Kasai, T. Tsujimoto, K. Sakaniwa, and R. Matsumoto, “Rate-Compatible Slepian-Wolf Coding with Short Non-Binary LDPC Codes,” DCC2010.

- K. Kasai, “My Studies in France,” LDPC Workshop, Sophia University, September, 2009. pdf.

- T. Nozaki, K. Kasai, T. Shibuya and K. Sakaniwa, “Detailed Evolution of Degree Distributions in Residual Graphs with Joint Degree Distributions,” IEICE Trans. on Fundamentals, vol. E91-A, no. 10, pp. 2737-2744, Oct. 2008. pdf.
- T. Itsui, K. Kasai, R. Ikegaya, T. Shibuya and K. Sakaniwa, “Average Bit Erasure Probability of Regular LDPC Code Ensembles under MAP Decoding over BEC,” IEICE Trans. on Fundamentals, vol. E90-A, no. 9, pp. 1763-1771, Sep. 2007. pdf.
- K. Kasai, T. Shibuya and K. Sakaniwa, “Detailedly Represented Irregular Low-Density Parity-Check Codes,” IEICE Trans. on Fundamentals, vol. E86-A, no. 10, pp. 1763-1771, Oct. 2003. pdf.

- K. Kasai, Y. Fujisaka and M. Onsjö “FFT-Based Parallel Decoder of Non-Binary LDPC Codes on GPU: KFO_NBLDPC_GPU,” December 2009. download (CUDA is required).