SCIENCE CHINA Information Sciences, Volume 60, Issue 2: 022310(2017) https://doi.org/10.1007/s11432-015-0352-4

Simplified relay antenna selection with source beamforming for MIMO two-way relaying networks

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  • ReceivedJan 15, 2016
  • AcceptedMay 23, 2016
  • PublishedNov 16, 2016


A simplified relay antenna selection with source beamforming (RAS-BF) scheme is advocated for multiple-input multiple-output (MIMO) two-way relaying networks (TWRNs) employing amplify-and-forward (AF) protocol, which does not require channel estimation at the relay node and the optimal relay antenna can be simply determined by comparing the minimum received pilot signaling powers pertaining to each antenna. The theoretical analysis of system outage probability and average symbol error rate (SER) shows that full diversity order can also be achieved by the simplified scheme. Simulation results are provided to verify our theoretical results and further illustrate that the simplified scheme outperforms the outage-optimal counterpart in the presence of channel state information (CSI) imperfections.

Funded by

National Natural Science Foundation of China(61501347)

111 Project of China(B08038)

National Natural Science Foundation of China(Grants Nos. 61372067)

"source" : null , "contract" : "2014AA01A704"

National High Technology Research and Development Program of China(863)

Science and Technology Research and Development Program of Shaanxi Province(2014KJXX-49)



This work was supported by National High Technology Research and Development Program of China (863) (Grant No. 2014AA01A704), National Natural Science Foundation of China (Grants Nos. 61372067, 61501347), Science and Technology Research and Development Program of Shaanxi Province (Grant No. 2014KJXX-49) and 111 Project of China (Grant No. B08038).


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