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A Simple and Efficient Path Metric Memory Management for Viterbi Decoder Composed of Many Processing Elements
Jaeyoung KWAK Sang-Sic YOON Sook MIN PARK Kyung-Saeng KIM Kwyro LEE
IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories
decoding, convolutional codes, memory addressing,
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A simple address indexing method is proposed for path memory management in multi-PE Viterbi decoder, which solves data read/write conflict problem completely. This method not only simplifies control and addressing overhead but also has the advantage of requiring only two memory banks regardless of the number of PE's, with 100% PE utilization.