Symbol detection in V-BLAST architectures under channel estimation errors

  title={Symbol detection in V-BLAST architectures under channel estimation errors},
  author={Kyungchun Lee and Joohwan Chun},
  journal={IEEE Transactions on Wireless Communications},
We introduce a modified vertical Bell laboratories layered space-time (V-BLAST) detection algorithm to reduce unexpected effects of the channel estimation errors. Assuming that the channel estimation errors are independent and identically distributed Gaussian random variables, we derive a better nulling weight, which minimizes the power of various terms generated by the channel estimation errors. The symbol ordering operation is also modified by choosing the minimum mean-square error symbol at… CONTINUE READING
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