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Soft Decoding Algorithm for RS-CC Concatenated Codes in WiMAX System

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1 Author(s)
Changlong Xu ; Inst. for Infocomm Res.

In this paper, we present a soft decoding algorithm for the concatenated code as defined in the IEEE 802.16 OFDM specification. The concatenation is between a Reed-Solomon and convolutional code. We propose a low complexity soft output Viterbi algorithm for convolutional codes and Chase II decoding algorithm for Reed-Solomon codes. The simulation results of the six modes of concatenated codes found in the IEEE 802.16 technical specification are presented.

Published in:

Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th

Date of Conference:

22-25 April 2007