Precoding-Based Inter-Relay Interference Cancelation for Amplify-and-Forward Two-Path Successive Relay Networks

@article{Deng2018PrecodingBasedII,
  title={Precoding-Based Inter-Relay Interference Cancelation for Amplify-and-Forward Two-Path Successive Relay Networks},
  author={Ran Deng and Xianwen He and Jun Gao and Qingbo Wang},
  journal={IEEE Signal Processing Letters},
  year={2018},
  volume={25},
  pages={229-233}
}
In this letter, we consider the inter-relay interference (IRI) problem for amplify-and-forward (AF) two-path successive relay networks. To reduce processing burden for IRI cancelation at the relay nodes, a novel precoding-based interference cancelation scheme based on row-space mapping is proposed, where a pair of orthogonal precoding matrices is alternately utilized to project the source data onto the null space of the received data that is independent of channel state information (CSI). By… CONTINUE READING

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