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Volume 33 Issue 4
May  2011
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Tian Xin-Ji, Yuan Chao-Wei, Hu Zi-Wei, Li Lin. Multi-hop Alamouti Amplify and Forward Cooperative Scheme Based on Phase Rotation[J]. Journal of Electronics & Information Technology, 2011, 33(4): 880-884. doi: 10.3724/SP.J.1146.2010.00930
Citation: Tian Xin-Ji, Yuan Chao-Wei, Hu Zi-Wei, Li Lin. Multi-hop Alamouti Amplify and Forward Cooperative Scheme Based on Phase Rotation[J]. Journal of Electronics & Information Technology, 2011, 33(4): 880-884. doi: 10.3724/SP.J.1146.2010.00930

Multi-hop Alamouti Amplify and Forward Cooperative Scheme Based on Phase Rotation

doi: 10.3724/SP.J.1146.2010.00930
  • Received Date: 2010-08-31
  • Rev Recd Date: 2010-11-18
  • Publish Date: 2011-04-19
  • The Channel State Information (CSI) is not taken into consideration in Multi-Hop Alamouti Amplify and Forward (AAF-MH) cooperation protocol. For this issue, Multi-Hop Alamouti Amplify and Forward with Phase Rotation (AAF-MH-PR) cooperative scheme is proposed, in which the effective channel matrix is changed by applying a proper rotation at transmitted signals of partial relay. Theoretical analysis shows that the reliability of AAF-MH-PR is significantly better than that of AAF-MH. Simulation demonstrats the validity of theoretical analysis and the proposed scheme provides a 5 dB gain at a Symbol Error Rate (SER) of10-5 over AAF-MH with only 1 bit feedback amount.
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