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A distributed power control and mode selection algorithm for D2D communications
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0002-2289-3159
2012 (English)In: EURASIP Journal on Wireless Communications and Networking, ISSN 1687-1472, E-ISSN 1687-1499, 266- p.Article in journal (Refereed) Published
Abstract [en]

Device-to-device (D2D) communications underlaying a cellular infrastructure has recently been proposed as a means of increasing the resource utilization, improving the user throughput and extending the battery lifetime of user equipments. In this article we propose a new distributed power control algorithm that iteratively determines the signal-to-noise-and-interference-ratio (SINR) targets in a mixed cellular and D2D environment and allocates transmit powers such that the overall power consumption is minimized subject to a sum-rate constraint. The performance of the distributed power control algorithm is benchmarked with respect to the optimal SINR target setting that we obtain using the Augmented Lagrangian Penalty Function method. The proposed scheme shows consistently near optimum performance both in a single-input-multiple-output and a multiple-input-multiple-output setting. We also propose a joint power control and mode selection algorithm that requires single cell information only and clearly outperforms the classical cellular mode operation.

Place, publisher, year, edition, pages
2012. 266- p.
Keyword [en]
Cellular Networks, Systems, Device
National Category
Telecommunications Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-119427DOI: 10.1186/1687-1499-2012-266ISI: 000315054700001OAI: oai:DiVA.org:kth-119427DiVA: diva2:611051
Note

QC 20130314

Available from: 2013-03-14 Created: 2013-03-14 Last updated: 2017-12-06Bibliographically approved

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Fodor, Gabor

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