Phase ambiguity resolver for PCM sound broadcasting satellite service with low power consumption viterbi decoder employing SST scheme

Kazuhiko Seki, Shuji Kubota, Shuzo Kato

Research output: Contribution to journalArticle

Abstract

This paper proposes a novel phase ambiguity resolver with combining a very low power Viterbi decoder employing a scarce state transition scheme to realize cost effective receivers for the PCM sound broadcasting satellite service. The theoretical analyses on phase decision performance show that the proposed resolver achieves the symbol-by-symbol phase detection and decides correctly phases of the demodulated data even if the bit error probability of 7 × 10-2. The resolver also reduces the phase decision time to below 1/1000 of that of the conventional resolver. Furthermore, experimental results of the power consumption estimate that the prototype Viterbi decoder consumes only 60 mW at the data rate of 24,576 Mbit/s.

Original languageEnglish
Pages (from-to)1269-1277
Number of pages9
JournalIEICE Transactions on Communications
VolumeE78-B
Issue number9
Publication statusPublished - 1995 Sep 1
Externally publishedYes

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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