Vector precoding in wireless communications: a replica symmetric analysis

  • Authors:
  • Ralf R. Müller;Dongning Guo;Aris L. Moustakas

  • Affiliations:
  • Norwegian University of Science and Technology IET, Trondheim, Norway;Northwestern University, Evanston, IL;University of Athens, Athens, Greece

  • Venue:
  • Proceedings of the 2nd international conference on Performance evaluation methodologies and tools
  • Year:
  • 2007

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Abstract

We apply the replica method to analyze vector pre-coding, a method to reduce transmit power in antenna array communications, in the limit of an infinite number of dimensions of the signal vector. The analysis applies to a very general class of channel matrices. The statistics of the channel matrix enter the transmitted energy per symbol via its R-transform.