Journal of Systems Engineering and Electronics ›› 2013, Vol. 35 ›› Issue (3): 624-628.doi: 10.3969/j.issn.1001-506X.2013.03.30

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Performance analysis of multi-relays AF cooperative communication system based on directional antenna

WANG Xu-hua， BAI Peng， LI Ming-yang， LI Huan-yu， LIN Jin-fu   

  1. Research Center for Integrated Electronic & Information System and Electronic Countermeasure Technology, Air Force Engineering University, Xi’an 710051, China
  • Online:2013-03-20 Published:2010-01-03

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Abstract:

Directional antenna based multi-relays amplify-and-forward(AF) cooperative communication technology is studied. Firstly, the channel capacity and outage probability of three modes, which include without beamforming transmit receive(N-BF), beamforming transmit-without beamforming receive (T-BF) and beamforming transmit-beamforming receive (TR-BF), are theoretically derived. Secondly, the channel capacity and outage probability of different modes are respectively analyzed in detail combined with the specific numerical simulation. Finally, simulation shows that the TR-BF has the best optimal performance, the TR-BF and T-BF are less affected by noise than N-BF.

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