Interference Alignment Based on Rank Constraint in MIMO Cognitive Radio Networks

@article{Li2017InterferenceAB,
  title={Interference Alignment Based on Rank Constraint in MIMO Cognitive Radio Networks},
  author={Yibing Li and Xueying Diao and Qianhui Dong and Chunrui Tang},
  journal={Symmetry},
  year={2017},
  volume={9},
  pages={107}
}
In this paper, we focus on the interference management in the cognitive radio (CR) network comprised of multiple primary users (PUs) and multiple secondary users (SUs). Firstly, two interference alignment (IA) schemes are proposed to mitigate the interference among PUs. The first one is an interference rank minimization (IRM) scheme, which aims to minimize the rank of the joint interference matrix via alternating between the forward and reverse communication links. Considering the overhead of… CONTINUE READING

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