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Comprehensive analysis of turbo TCM over two typical channels

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3 Author(s)
Zhiquan Bai ; Grad. Sch. of Inf. Technol. & Telecommun., Inha Univ., Incheon, South Korea ; Dongfeng Yuan ; Kyungsup Kwak

In this paper, system performance of turbo trellis coded modulation (turbo TCM) is presented and analyzed through computer simulations over two typical channels, namely additive white Gaussian noise (AWGN) and Rayleigh fading channels. We use and compare different mapping strategies based on Ungerboeck partitioning (UP), block partitioning (BP), mixed partitioning (MP), Gray partitioning (GP), and Ungerboeck-Gray partitioning (UGP) of the signal constellation of the turbo TCM system. Furthermore, taking 8PSK modulation of turbo TCM as an example, our simulation results show that turbo TCM with UP can obtain better performance than turbo TCM with BP, MP, GP, and UGP in both AWGN and Rayleigh fading channels.

Published in:

Communications and Networks, Journal of  (Volume:9 ,  Issue: 1 )