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Performance analysis of a distributed resource allocation scheme for D2D communications
2011 (English)In: 2011 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM 2011): 54th Annual IEEE Global Telecommunications Conference (GLOBECOM) / [ed] IEEE, New York: IEEE conference proceedings, 2011, p. 358-362Chapter in book (Refereed)
Abstract [en]

Device-to-device (D2D) communications underlaying a cellular infrastructure has recently been proposed as a means of increasing the cellular capacity, improving the user throughput and extending the battery lifetime of user equipments by facilitating the reuse of spectrum resources between D2D and cellular links. In network assisted D2D communications, when two devices are in the proximity of each other, the network can not only help the devices to set the appropriate transmit power and schedule time and frequency resources but also to determine whether communication should take place via the direct D2D link (D2D mode) or via the cellular base station (cellular mode). In this paper we formulate the joint mode selection, scheduling and power control task as an optimization problem that we first solve assuming the availability of a central entity. We also propose a distributed suboptimal joint mode selection and resource allocation scheme that we benchmark with respect to the centralized optimal solution. We find that the distributed scheme performs close to the optimal scheme both in terms of resource efficiency and user fairness.

Place, publisher, year, edition, pages
New York: IEEE conference proceedings, 2011. p. 358-362
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-203104DOI: 10.1109/GLOCOMW.2011.6162471Scopus ID: 2-s2.0-84858407853OAI: oai:DiVA.org:kth-203104DiVA, id: diva2:1080801
Note

ScopusID: 84858407853. QC 20170315

Available from: 2017-03-11 Created: 2017-03-11 Last updated: 2017-03-15Bibliographically approved

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