Time, Frequency Synchronization, and Equalization for Asynchronous Multiuser MIMO Systems

@article{Zeng2007TimeFS,
  title={Time, Frequency Synchronization, and Equalization for Asynchronous Multiuser MIMO Systems},
  author={Yonghong Zeng and Abdul Rahim Leyman},
  journal={IEEE Transactions on Wireless Communications},
  year={2007},
  volume={6}
}
An asynchronous multiuser MIMO system with multipath channels and carrier frequency offsets (CFOs) or Doppler shifts is remodeled into another system. A blind method based on second order statistics is then used for estimating the shaped channels with ambiguity. Based on the shaped channels, specially designed pilots are proposed to find the CFOs. The same pilots are also used to resolve the time delays and the ambiguity in the estimated channels. After the CFOs, time delays and ambiguity are… CONTINUE READING
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