An Efficient VLSI Architecture of Viterbi Decoder for DSP Applications

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Provided by: The World
Topic: Data Management
Format: PDF
It is well known that data transmissions over wireless channels are affected by attenuation, distortion, interference and noise, which affect the receiver's ability to receive correct information. Convolutional encoding with Viterbi decoding is a powerful method for forward error detection and correction. It has been widely deployed in many wireless communication systems to improve the limited capacity of the communication channels. In this paper, the authors present a Spartan XC3S400A frield-programmable gate array efficient implementation of Viterbi Decoder with a constraint length of 3 and a code rate of 1/3.
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