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Amplifier-Aware Multiple-Input Single-Output Capacity
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Chalmers University of Technology, Gothenburg, Sweden.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2014 (English)In: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 62, no 1, 913-919 p.Article in journal (Refereed) Published
Abstract [en]

We investigate multiple-input single-output channel capacity taking dissipation in the power amplifiers into account. We consider the case of a fixed channel with full channel state information (CSI) at both the transmitter and receiver. The capacity expression is given on closed form, and we show that the optimal solution is antenna selection. An algorithm for finding minimum consumed power for any given mutual information is further developed, and we show that the power-mutual information pair is capacity-achieving. We also investigate the ergodic Rayleigh fading channel with full CSI at the receiver and no instantaneous CSI at the transmitter. We devise a numerical approach which finds the global optimum given a quantization of the space of possible allocated powers. We further show that down to the simulation precision, the ergodic Rayleigh fading solution again is antenna selection. It is shown that the allocation algorithms have low computational complexity and give significant rate and total consumed power gains in comparison to previous state of the art.

Place, publisher, year, edition, pages
IEEE , 2014. Vol. 62, no 1, 913-919 p.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-105314DOI: 10.1109/TCOMM.2014.011114.130337ISI: 000334112900013OAI: oai:DiVA.org:liu-105314DiVA: diva2:705686
Available from: 2014-03-17 Created: 2014-03-17 Last updated: 2017-12-05Bibliographically approved

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Persson, DanielLarsson, Erik G.

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  • Other style
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  • de-DE
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  • sv-SE
  • Other locale
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Output format
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