Minimum symbol error probability MIMO design under the per-antenna power constraint

Enoch Lu, I. Tai Lu

Research output: Contribution to journalArticlepeer-review


Approximate minimum symbol error probability transceiver design of single user MIMO systems under the practical per-antenna power constraint is considered. The upper bound of a lower bound on the minimum distance between the symbol hypotheses is established. Necessary conditions and structures of the transmit covariance matrix for reaching the upper bound are discussed. Three numerical approaches (rank zero, rank one, and permutation) for obtaining the optimum precoder are proposed. When the upper bound is reached, the resulting design is optimum. When the upper bound is not reached, a numerical fix is used. The approach is very simple and can be of practical use.

Original languageEnglish (US)
Article number290390
JournalJournal of Electrical and Computer Engineering
StatePublished - 2012

ASJC Scopus subject areas

  • Signal Processing
  • General Computer Science
  • Electrical and Electronic Engineering


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