Phase Ambiguity Resolver for PCM Sound Broadcasting Satellite Service with Low Power Consumption Viterbi Decoder Employing SST Scheme

Kazuhiko SEKI, Shuji KUBOTA, Shuzo KATO

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Summary :

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 710-2. 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 60mW at the data rate of 24.576Mbit/s.

Publication
IEICE TRANSACTIONS on Communications Vol.E78-B No.9 pp.1269-1277
Publication Date
1995/09/25
Publicized
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DOI
Type of Manuscript
PAPER
Category
Communication Systems and Transmission Equipment

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