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IEICE TRANSACTIONS on Communications

Performance Analysis for Multi-Antenna Relay Networks with Limited Feedback Beamforming

Zhen LIU, Xiaoxiang WANG, Hongtao ZHANG, Zhenfeng SONG

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Summary :

In this letter, we study the performance of multi-antenna relay networks with limited feedback beamforming in decode-and-forward (DF) relaying. Closed-form expression for both outage probability and symbol error rate are derived by using the moment generation function (MGF) of the combined signal-to-noise ratio (SNR) at the destination. Subjected to a total power constraint, we also explore adaptive power allocation between source and relay to optimize the performance. Simulations are given to verify the correctness of our theoretical derivations. Results show that the proposed adaptive power allocation solution significantly outperforms the uniform power allocation method.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.2 pp.603-606
Publication Date
2011/02/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.603
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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