Performance Analysis of Bidirectional Relay Selection with Imperfect Channel State Information

Details Performance Analysis of Bidirectional Relay Selection with Imperfect Channel State Information Performance Analysis of Bidirectional Relay Selection with Imperfect Channel State Information

2011-12-11

arxiv.org/abs/1112.2374v1

Computer Science

Networking and Internet Architecture

Submitted to IEEE Transactions on Communications, 17 pages, 4 figures

Scientific paper

In this paper, we investigate the performance of bidirectional relay selection using amplify-and-forward protocol with imperfect channel state information, i.e., delay effect and channel estimation error. The asymptotic expression of end-to-end SER in high SNR regime is derived in a closed form, which indicates that the delay effect causes the loss of both coding gain and diversity order, while the channel estimation error merely affects the coding gain. Finally, analytical results are verified by Monte-Carlo simulations.

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