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Statistical assessment of selection-based dual-hop semi-blind amplify-and-forward cooperative networks


For multiple-relay cooperative networks with multiple antennas deployed at source and destination nodes, we investigate the outage performance of selection based semi-blind amplify-and-forward (AF) relaying, where transmit beamforming (TB) is conducted at source transmission and maximum ratio combining (MRC) at destination reception. Based on the Kolmogorov-Smirnov test, we analyze the impact of the configuration of destination antennas on the outage performance under arbitrary Nakagami-m fading channels. Results reveal that increasing the number of destination antennas is not necessary for an improvement of outage performance with any Nakagami-m parameter. Inspired by this fact, an approximation is proposed for the optimal selection. Simulation results show that the approximation is an efficient selection method.

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Correspondence to Yi Liu.

Additional information

Project supported by the National Natural Science Foundation (No. 60772113), the National High-Tech Research and Development Program (863) (No. 2009AA011502), and the National Basic Research Program (973) of China (No. 2009CB320406)

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Liu, Y., Zhang, Jh., Xu, W. et al. Statistical assessment of selection-based dual-hop semi-blind amplify-and-forward cooperative networks. J. Zhejiang Univ. - Sci. C 11, 785–792 (2010).

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Key words

  • Semi-blind relaying
  • Transmit beamforming (TB)
  • Maximum ratio combining (MRC)
  • Relay selection

CLC number

  • TN911