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Performance analysis for coded cooperative multiple-relay in distributed turbo channels

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4 Author(s)
Chang Li ; China Mobile, Network Manage. Center, Shijiazhuang, China ; Yafeng Wang ; Wei Xiang ; Dacheng Yang

Diversity is an effective technique to enhance link quality and increasing network capacity. In this paper, we propose a generalized distributed turbo codes (DTC)-based coded cooperation protocol for two-hop relay networks with an arbitrary number of relays. This scheme aims at achieving improved diversity over the classical coded cooperation method in Rayleigh fading channels. We develop a closed-form expression for the pairwise error probability (PEP) and a tight upper bound for the bit error rate (BER) using DTC. The results demonstrate the merits of DTC-based coded cooperation with multiple relays, under various relay and uplink channel conditions. Moreover, the analytical upper bounds are validated with simulation results.

Published in:

Personal Indoor and Mobile Radio Communications (PIMRC), 2011 IEEE 22nd International Symposium on

Date of Conference:

11-14 Sept. 2011