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Variable data rate Viterbi decoder with modified LOVA algorithm

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2 Author(s)
S. Czaja ; Nokia Mobile Phones, San Diego, CA, USA ; J. Robertson

This paper describes the implementation of a Viterbi decoder with a modified list-of-two List Output Viterbi Algorithm (LOVA) which is used to decode variable data rate frames in Code Division Multiple Access (CDMA) mobile stations. It performs the decoding of convolutional code k=9, rate=1/2 for fall, half, quarter, and eighth data rate frames. This Viterbi decoder is a part of a CDMA base-band processor used in an IS-95 cellular and Personal Communication System (PCS) mobile terminal

Published in:

Microelectronics and VLSI, 1995. TENCON '95., IEEE Region 10 International Conference on

Date of Conference:

6-10 Nov 1995