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An energy efficient closed-form power allocation scheme for mimo delay-limited channels with causal CSI

(2012) An energy efficient closed-form power allocation scheme for mimo delay-limited channels with causal CSI. ICIC Express Letters , 6 (11) pp. 2861-2866.

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Abstract

This letter presents a closed-form adaptive power allocation solution to minimize the expected power consumption for meeting a delay-limited capacity constraint of a multiple-input multiple-output (MIMO) block-fading (BF) channel based on causal channel side information (CSI) at the transmitter. Numerical results demonstrate that the proposed solution achieves near-optimal performance within only a fraction of decibel while avoiding the use of the highly complex dynamic programming (DP) needed for obtaining the optimal power allocation. © 2012 ISSN 1881-803X.

Type: Article
Title: An energy efficient closed-form power allocation scheme for mimo delay-limited channels with causal CSI
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1504955
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