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Maximin SNR beamforming strategies for two-way relay channels

Wang, W., Jin, S. and Zheng, F.-C. (2012) Maximin SNR beamforming strategies for two-way relay channels. IEEE Communications Letters, 16 (7). pp. 1006-1009. ISSN 1089-7798

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To link to this item DOI: 10.1109/LCOMM.2012.042512.120145


In this letter, we consider beamforming strategies in amplified-and-forward (AF) two-way relay channels, where two terminals and the relay are equipped with multiple antennas. Our aim is to optimize the worse end-to-end signal-to-noise ratio of the two links so that the reliability of both terminals can be guaranteed. We show that the optimization problem can be recast as a generalized fractional programing and be solved by using the Dinkelbach-type procedure combined with semidefinite programming. Simulation results confirm the efficiency of the proposed strategies.

Item Type:Article
ID Code:31756
Uncontrolled Keywords:Two-way relay channels; MIMO; beamforming; generalized fractional program

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