Abstract
Adaptive viterbi decoder is used for decoding codes of long constraint length, Where as viterbi decoder is used for decoding short constraint lengths. In order to minimize power consumption and BER, we have implemented Radix 2 ACS in viterbi decoder and Adaptive Viterbi decoder. The area consumption was less in viterbi compared to Adaptive Viterbi decoder. But the power utilization reduced drastically to 20% where as in Viterbi decoder the power consumed was 80%. In our previous work we have implemented Adaptive fast ACS, but the experimental result proves power consumption is less in radix 2 ACS in viterbi decoder and much less in Adaptive viterbi decoder.
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