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Architecture for a Low Power Butterfly Unit for Viterbi and BCJR Decoders

IP.com Disclosure Number: IPCOM000008852D
Publication Date: 2002-Jul-17
Document File: 4 page(s) / 180K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method that uses a Viterbi decoder with a butterfly base of four adders/comparators. Benefits include a 20% reduction in power and a 20% reduction in area.