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Coordination of Clusters for Inter-Cell Scheduling
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.ORCID iD: 0000-0001-7642-3067
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.ORCID iD: 0000-0003-4986-6123
2011 (English)In: 2011 IEEE 73RD VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), IEEE , 2011, 1-5 p.Conference paper, Published paper (Refereed)
Abstract [en]

Coordination of base stations is essential in the mitigation of inter-cell interference in cellular communication systems. One of practical solutions is a cluster-based inter-cell scheduling where base stations in each cluster determine their transmissions in cooperative fashion. In spite of potential performance improvement, the inter-cell scheduling may result in conflict between clusters. However, a dynamic coordination in the cluster level is difficult due to the prohibitive burden of inter-cluster communication. In this paper, we address the coordination of clusters in the downlink of cellular networks. We propose a rule of inter-cluster coordination, namely nominal scheduling order with penalty (NSOP) which does not require communication between the clusters. Dynamic system level simulations are performed to examine the performance of the NSOP in various interference scenarios. It is observed that the proposed NSOP effectively strikes a balance between the inter-cluster interference avoidance and the intra-cluster multi-user diversity by means of a simple penalty factor.

Place, publisher, year, edition, pages
IEEE , 2011. 1-5 p.
Series
IEEE Vehicular Technology Conference, ISSN 1550-2252
Keyword [en]
NSOP;cellular communication system;cluster coordination;intercell interference scheduling;intracluster multiuser diversity;penalty factor;cellular radio;radiofrequency interference;scheduling;
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-50770DOI: 10.1109/VETECS.2011.5956200ISI: 000295405800086Scopus ID: 2-s2.0-80052014742OAI: oai:DiVA.org:kth-50770DiVA: diva2:462638
Conference
73rd IEEE Vehicular Technology Conference (VTC Spring). Budapest, HUNGARY. MAY 15-18, 2011
Projects
MODyS
Funder
VINNOVAWireless@kth
Note

QC 20111208

Available from: 2011-12-07 Created: 2011-12-07 Last updated: 2016-04-27Bibliographically approved

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Sung, Ki WonZander, Jens

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