Maximum rank distance codes as space-time codes

  • Authors:
  • P. Lusina;E. Gabidulin;M. Bossert

  • Affiliations:
  • Dept. for Telecommun. & Appl. Inf. Theor., Univ. of Ulm, Germany;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 2003

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Abstract

The critical design criterion for space-time codes in asymptotically good channels is the minimum rank between codeword pairs. Rank codes are a two-dimensional matrix code construction where by the rank is the metric of merit. We look at the application of rank codes to space-time code design. In particular, we provide construction methods of full-rank codes over different complex signal constellations, for arbitrary numbers of antennas, and codeword periods. We also derive a Singleton-type bound on the rate of a code for the rank metric, and we show that rank codes satisfy this bound with equality.