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Performance analysis of scheduling and interference coordination policies for OFDMA networks
2008 (English)In: Computer Networks, ISSN 1389-1286, E-ISSN 1872-7069, Vol. 52, no 6, 1252-1271 p.Article in journal (Refereed) Published
Abstract [en]

In orthogonal frequency division multiple access systems there is an intimate relationship between the packet scheduler and the inter-cell interference coordination (ICIC) functionalities: they determine the set of frequency channels (sub-carriers) that are used to carry the packets of in-progress sessions. In this paper we build on previous work - in which we compared the so called random and coordinated ICIC policies - and analyze three packet scheduling methods. The performance measures of interest are the session blocking probabilities and the overall throughput. We find that the performance of the so-called Fifty-Fifty and What-It-Wants scheduling policies is somewhat improved by coordinated sub-carrier allocation, especially in poor signal-to-noise-and-interference situations and at medium traffic load values. The performance of the All-Or-Nothing scheduler is practically insensitive to the choice of the sub-carrier allocation policy.

Place, publisher, year, edition, pages
2008. Vol. 52, no 6, 1252-1271 p.
Keyword [en]
Interference coordination; Orthogonal frequency division multiple access; Radio resource management; Scheduling
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-203021DOI: 10.1016/j.comnet.2008.01.006ISI: 000255471600009ScopusID: 2-s2.0-40849126562OAI: oai:DiVA.org:kth-203021DiVA: diva2:1082179
Note

QC 20170321

Available from: 2017-03-15 Created: 2017-03-15 Last updated: 2017-03-21Bibliographically approved

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