The Viterbi algorithm is renowned as a maximum likelihood (ML) decoding technique for convolutional codes. The path memory ... metric unit. Viterbi decoders and binary convolutional codes are denoted ...

The Viterbi algorithm is renowned as a maximum likelihood (ML) decoding technique for convolutional codes. The path memory unit in an (n ... 1.2. Initialize the path metric for the known initial state ...

A high speed and low power Viterbi decoder architecture design based on deep pipelined, clock gating and toggle filtering has been presented in this paper. The Add-Compare-Select (ACS) and Trace Back ...

Abstract: In this paper, we propose a parallel block-based Viterbi ... unit (GPU) platform for the decoding of convolutional codes. The decoding procedure is simplified and parallelized, and the ...

The second step of the Viterbi decoding algorithm, the ACS (add-compare-select) unit, is the heart of the ... to tracing back in the path memory. It is best to start the trace-back with the lowest ...