A Simple Alamouti Space–Time Transmission Scheme for Asynchronous Cooperative Systems

@article{Li2007ASA,
  title={A Simple Alamouti Space–Time Transmission Scheme for Asynchronous Cooperative Systems},
  author={Zhijun Li and Xiang-Gen Xia},
  journal={IEEE Signal Processing Letters},
  year={2007},
  volume={14},
  pages={804-807}
}
In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the relay nodes. The cyclic prefix (CP) at the source node is used for combating the timing errors from the relay nodes. In this scheme, the received signals at the destination node have the Alamouti code structure on each subcarrier, and thus, it has the… CONTINUE READING
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