Hironori UCHIKAWA


Spatially Coupled Protograph-Based LDPC Codes for Decode-and-Forward in Erasure Relay Channel
Hironori UCHIKAWA Kenta KASAI Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2127-2134
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
spatially coupled codesprotograph-based LDPC codesrelayerasure channel
 Summary | Full Text:PDF(510.2KB)

Design and Performance of Rate-Compatible Non-binary LDPC Convolutional Codes
Hironori UCHIKAWA Kenta KASAI Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2135-2143
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
non-binary LDPC codesLDPC convolutional codesrate-compatibility
 Summary | Full Text:PDF(1.4MB)

Optimum Soft-Output of Autoregressive Detector for Offtrack Interference in LDPC-Coded Perpendicular Magnetic Recording
Kohsuke HARADA Haruka OBATA Hironori UCHIKAWA Kenji YOSHIDA Yuji SAKAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1966-1975
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
perpendicular magnetic recordingofftrack interferenceautoregressive detectorLDPC codes
 Summary | Full Text:PDF(1.2MB)

Complexity-Reducing Algorithm for Serial Scheduled Min-Sum Decoding of LDPC Codes
Hironori UCHIKAWA Kohsuke HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2411-2417
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
low-density parity-check codesmin-sum decodingserial schedulingand complexity
 Summary | Full Text:PDF(630.8KB)

Secure Download System Based on Software Defined Radio Composed of FPGAs
Hironori UCHIKAWA Kenta UMEBAYASHI Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2601-2609
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
downloadsecurityfield programmable gate array (FPGA)software defined radio (SDR)
 Summary | Full Text:PDF(717.5KB)