LIST OUTPUT VITERBI DECODER WITH BLOCKWISE ACS AND TRACEBACK

A Viterbi decoder for decoding convolution-coded data blocks has a memory region (314) used for the decision matrix. This memory region is too small to hold all of the decisions for one data block. Instead, the decision matrix is repopulated for different sections of the data block during the decodi...

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Bibliographic Details
Main Authors ROY, SKOVGAARD HANSEN, PETER BJOERN-JOERGENSEN
Format Patent
LanguageEnglish
Published 18.10.2004
Edition7
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Summary:A Viterbi decoder for decoding convolution-coded data blocks has a memory region (314) used for the decision matrix. This memory region is too small to hold all of the decisions for one data block. Instead, the decision matrix is repopulated for different sections of the data block during the decoding process. When a list Viterbi algorithm is employed, the modified tracebacks can be limited to data block sections containing bad decisions and preceding sections.
Bibliography:Application Number: AU20030221526