Decision function generator for a Viterbi decoder

Details Decision function generator for a Viterbi decoder Decision function generator for a Viterbi decoder

2006-05-02

2006-05-02

Dildine, R. Stephen (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S709000, C714S790000, C714S794000, C375S262000, C375S265000, C375S341000

Reexamination Certificate

active

07039855

ABSTRACT:
A decision function generator for a Viterbi decoder includes a compressor module for receiving arguments of a decision function and for evaluating functions of the arguments of the decision function, a memory module coupled to the compressor module for generating an intermediate function from the functions of the arguments, and a decompressor module coupled to the memory module for generating a sign value, an integer value, and a fractional value constituting a value of the decision function from the intermediate function.

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Biglieri; “Digital Modulation Techniques”; Basic Principles;IEEE Transactions on Communications; CRC Press, Inc.; 1997; pp. 273-287.

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