The diversity-multiplexing-delay tradeoff in MIMO ARQ channels

  title={The diversity-multiplexing-delay tradeoff in MIMO ARQ channels},
  author={H. E. Gamal and Giuseppe Caire and M. O. Damen},
  journal={Proceedings. International Symposium on Information Theory, 2005. ISIT 2005.},
In this paper, we explore the fundamental performance tradeoff of the delay-limited multi-input-multi-output (MIMO) automatic retransmission request (ARQ) channel. In particular, we extend the diversity-multiplexing tradeoff investigated by Zheng and Tse in standard delay-limited MIMO channels with coherent detection to the ARQ scenario. We establish the three-dimensional tradeoff between reliability (i.e. diversity), throughput (i.e., multiplexing gain), and delay (i.e., maximum number of… CONTINUE READING
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