Hiroyuki FUJIWARA


The Performance of the New Convolutional Coded ARQ Scheme for Moderately Time-Varying Channels
Hiroyuki FUJIWARA Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/03/25
Vol. E78-A  No. 3  pp. 403-411
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
time-varying channelARQconvolutional codeViterbi decodingAD/WD packet combining
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A Convolutional Coded ARQ Scheme with Retransmission Criterion Based on an Estimated Decoding Error Rate
Hiroyuki FUJIWARA Hirosuke YAMAMOTO Jinqiao REN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/01/25
Vol. E78-A  No. 1  pp. 100-110
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
ARQconvolutional codeViterbi decodingpacket combining
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Error Probability Analysis in Reduced State Viterbi Decoding
Carlos VALDEZ Hiroyuki FUJIWARA Ikuo OKA Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/06/25
Vol. E76-B  No. 6  pp. 667-676
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
reduced state decodingviterbi algorithmfeedback equalizationintersymbol interferencetrellis coded modulation
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Error Probability of Convolutional Coding in Stretched Pulse OOK Optical Channels
Hiroyuki FUJIWARA Juro UENO Hiromasa KUDO Ikuo OKA Ichiro ENDO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/02/25
Vol. E76-B  No. 2  pp. 178-186
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
Viterbi decodingstretched pulsesuper encodererror matrix methodISI-matched decoderoptical communication
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