Coordinate lnterleaved Trellis Coded QPSK with T-Algorithm on Rayleigh Fading Channel (Special Issue on Personal Communications)

概要

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In this paper, we evaluate the bit error rate (BER) performance of a coordinate interleaved trellis coded QPSK with T-algorithm. We employ a coordinate interleaving which breaks up burst errors, caused by fading, more effectively than symbol interleaving. We employ a rate- 1/2 convolutional codes and the performance is evaluated on Ray1eigh fading channels in terms of bit error rate (BER) by analysis and computer simulation. We consider using of the code which having a long effective code length (ECL). For this reason, we employ a decoder based on T-algorithm instead of Viterbi algorithm to avoid the complexity in the decoding. As the results, we achieve satisfactory BER performance with a slight computation in the decoding algorithm and the finite interleaving size.
社団法人電子情報通信学会の論文
1996-09-25