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A Joint Power Control and Resource Allocation Algorithm for D2D Communications
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0002-2289-3159
KTH, School of Electrical Engineering (EES), Automatic Control.
(University of Siena)
(Ericsson AB)
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2012 (English)Report (Other academic)
Abstract [en]

We consider the problem of joint power control, signal-to-noise-and-interference-ratio (SINR)target setting, mode selection and resource allocation for cellular network assisteddevice-to-device (D2D) communications.This problem is important for fourth generation systems, such as the release under study of the Long TermEvolution Advanced (LTE-A) system standardized by the Third Generation Partnership Project (3GPP).While previous works on radio resource management (RRM) algorithms for D2D communications dealt withmode selection and power control, the problem of resource allocation for the integrated cellular-D2Denvironment and in particularthe joint problem of mode selection, resource allocation and power allocation has not been addressed.We propose a utility function maximization approach that allows to take into account the inherenttrade off between maximizing spectrum efficiency and minimizing the required sum transmit power.We implement the proposed RRM algorithms in a realistic system simulator and report numericalresults that indicate large gains of D2D communications both in terms of spectrum- and energyefficiency.

Place, publisher, year, edition, pages
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Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-102057OAI: diva2:550544
ICT - The Next Generation

QC 20120910

Available from: 2012-09-10 Created: 2012-09-07 Last updated: 2013-04-15Bibliographically approved

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