A Novel Fast Recursive MMSE-SIC Detection Algorithm for V-BLAST Systems

  • Authors:

  • Z. Zhendong Luo;S. Liu;M. Ming Zhao;Y. Yuanan Liu

  • Affiliations:

  • Alcatel-Lucent, Beijing;-;-;-

  • Venue:
  • IEEE Transactions on Wireless Communications
  • Year:
  • 2007

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Abstract

A novel fast recursive minimum mean square error successive interference cancellation (MMSE-SIC) algorithm with optimal detection order for vertical Bell Laboratories layered space-time (V-BLAST) systems is proposed. In this algorithm, the MMSE Alter matrices and the optimal detection order are successively computed from the previously obtained filter matrices according to simple recursive pseudoinverse formulas, so that the algorithmic complexity is reduced significantly, especially for the practical number of transmit/receive antennas.