Diversity-Multiplexing Tradeoff of Single-Antenna and Multi-Antenna Indoor Ultra-Wideband Channels
- 1 September 2006
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 21626588,p. 441-446
- https://doi.org/10.1109/icu.2006.281590
Abstract
In this paper, we study the achievable diversity-multiplexing gain (D-MG) tradeoffs over the IEEE 802.15.3a channel model. In particular, we give an exact expression of the D-MG tradeoff for single antenna systems. This expression is based on a statistical model of the integrated energy of the considered channels. At a second time, we evaluate lower and upper bounds on the D-MG tradeoffs of multi-antenna systems. This formulation gives us more insights on the real potential of multi-antenna techniques with UWB systems. It is shown that even though the asymptotical diversity gain has an infinite value, the multi-antenna techniques can be very beneficial in the practical range of signal-to-noise ratiosKeywords
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