On the capacity of multiple-antenna systems in Rician fading
Jayaweera, Sudharman K. Poor, H. Vincent
Jayaweera, Sudharman K.
Poor, H. Vincent
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2005-05-31
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Article
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Keywords
Mimo Capacity,Multiple-antenna Systems,Non-central Wishart Distribution,Rician Fading,Wishart Distribution,Antenna arrays,Bandwidth,Functions,Mathematical Models,Matrix Algebra,Numerical Analysis,Radio Transmitters,Rayleigh Fading,Signal Receivers,Signaling,Mimo Capacity,Multiple-antenna Systems; Noncentral Wishart Distribution; Rician Fading; Wishart Distribution; Wireless Telecommunication Systems
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Citation
S. K. Jayaweera and H. V. Poor, "On the capacity of multiple-antenna systems in Rician fading," in IEEE Transactions on Wireless Communications, vol. 4, no. 3, pp. 1102-1111, May 2005, doi: 10.1109/TWC.2005.846970.
Abstract
The effect of Rician-ness on the capacity of multipleantenna systems is investigated under the assumption that channel state information (CSI) is available only at the receiver. The average-power-constrained capacity of such systems is considered under two different assumptions on the available knowledge about fading at the transmitter: the case in which the transmitter has no knowledge of fading at all, and the case in which the transmitter has knowledge of the distribution of the fading process but not the instantaneous CSI. The exact capacity is given for the former case, while capacity bounds are derived for the latter case. A new signaling scheme is also proposed for the latter case and it is shown that by exploiting the knowledge of Rician-ness at the transmitter via this signaling scheme, significant capacity gain can be achieved. The derived capacity bounds are evaluated explicitly to provide numerical results in some representative situations. © 2005 IEEE. © 2008 Elsevier B.V., All rights reserved.
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This is an open access article under the CC by license.
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IEEE
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IEEE Transactions on Wireless Communications
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ISSN
1536-1276
1558-2248
1558-2248