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Systematic approach for path metric access in Viterbi decoders

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4 Author(s)
T. Jarvinen ; Tampere Univ. of Technol., Finland ; P. Salmela ; T. Sipila ; J. Takala

A systematic approach for the path metric memory management in Viterbi decoders is presented. Between the parallel computation units and memory modules, a permutation of path metrics is required in order to access the path metrics in correct order. We propose a parallel memory access scheme, which reduces the interconnection complexity between parallel computation units and memory modules by rescheduling the path metric computations.

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IEEE Transactions on Communications  (Volume:53 ,  Issue: 5 )