Optimized distributed MIMO for cooperative relay networks

  title={Optimized distributed MIMO for cooperative relay networks},
  author={Xin He and Tao Luo and Guangxin Yue},
  journal={IEEE Communications Letters},
This paper presents an optimized distributed multiple-input multiple-output (OD-MIMO) for cooperative communication in wireless relay networks. The set of cooperating nodes is a priori unknown. In order to avoid the centralized stream and pilot allocation procedure, a fixed signature vector (SV) is assigned for each node in the network. We analyze the constraints of the proposed scheme, and derive an optimization criterion for the decision of the SVs. A gradient-based algorithm for SV design is… CONTINUE READING
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