Norifumi KAMIYA


Design and Implementation of Long High-Rate QC-LDPC Codes and Its Applications to Optical Transmission Systems
Norifumi KAMIYA Yoichi HASHIMOTO Masahiro SHIGIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1402-1411
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
forward error correctionlow-density parity-check codesencoder/decoder architectureoptical transmission systems
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A Unified Algorithm for Solving Key Equations for Decoding Alternant Codes
Norifumi KAMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/10/25
Vol. E82-A  No. 10  pp. 1998-2006
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
soft-decision decodingGMD decodingChase decodingbounded distance decodingalgebraic decoding algorithmsalternant codes
 Summary | Full Text:PDF(272.6KB)

Principles of Turbo Codes and Their Application to Mobile Communications
Akihisa USHIROKAWA Toshihiko OKAMURA Norifumi KAMIYA Branka VUCETIC 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1320-1329
Type of Manuscript:  INVITED PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
Turbo codesiterative decodingMAPSOVAmobile communication
 Summary | Full Text:PDF(864.6KB)

A Sufficient Condition for a Generalized Minimum Distance Reed-Solomon Decoder to Ensure Correct Decoding
Norifumi KAMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2066-2072
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
Reed-Solomon codesBCH codessoft decision decodinggeneralized minimum distance decodingoptimality
 Summary | Full Text:PDF(435.2KB)