Diversity-Multiplexing Tradeoff for the MIMO Static Half-Duplex Relay

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Leveque O., Vignat C., YÜKSEL TURGUT A. M.

IEEE International Symposium on Information Theory (ISIT 2009), Seoul, South Korea, 28 June - 03 July 2009, pp.1428-1429 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Doi Number: 10.1109/isit.2009.5205889
  • City: Seoul
  • Country: South Korea
  • Page Numbers: pp.1428-1429
  • Middle East Technical University Affiliated: No


In this work, we investigate the diversity-multiplexing tradeoff (DMT) of the multiple-antenna (MIMO) static half-duplex relay channel. The relay channel is assumed to be symmetric in terms of number of antennas, i.e. the source and the destination have n antennas each, and the relay has m antennas. A general expression is derived for the DMT upper bound, which can be achieved by a compress-and-forward protocol at the relay, under certain assumptions. It is observed that the static half-duplex DMT matches the full-duplex DMT when the relay has a single antenna, and is strictly below the full-duplex DMT when the relay has multiple antennas.