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Joint Interference Mitigation and Power Allocation for Multi-Cell LTE Networks: A Non-Cooperative Game Approach
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).
2014 (English)In: 2014 IEEE 80th Vehicular Technology Conference (VTC Fall), IEEE , 2014, 6966031- p.Conference paper (Refereed)
Abstract [en]

We propose a non-cooperative game-theoretic power allocation (NGPA) scheme for interference mitigation in long term evolution (LTE) uplink in this paper. We first set up the interference model employing conventional soft frequency reuse (SFR) scheme for inter-cell interference coordination (ICIC) in a nineteen-cell LTE network. Since each user may selfishly maximize its own performance in power allocation, we design a utility function that considers both quality of service (QoS) satisfaction and energy consumption. We then investigate the existence of Nash equilibrium and derive a sufficient condition to assure its uniqueness. Simulation results show that the proposed scheme improves throughput and coverage performances compared with conventional SFR schemes. Moreover, this scheme only requires limited signaling overhead among cells, which can be readily implemented in a distributed manner for practical systems.

Place, publisher, year, edition, pages
IEEE , 2014. 6966031- p.
, IEEE Vehicular Technology Conference, ISSN 15502252
Keyword [en]
non-cooperative game, soft frequency reuse, power allocation, Nash equilibrium
National Category
Communication Systems
Research subject
URN: urn:nbn:se:kth:diva-159301DOI: 10.1109/VTCFall.2014.6966031ISI: 000353345400231ScopusID: 2-s2.0-84919432699ISBN: 978-147994449-1OAI: diva2:784216
80th IEEE Vehicular Technology Conference, VTC 2014, Vancouver, Canada, 14-17 September 2014
ICT - The Next Generation, 60056

QC 20150302

Available from: 2015-01-28 Created: 2015-01-28 Last updated: 2015-06-15Bibliographically approved

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Miao, Guowang
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Radio Systems Laboratory (RS Lab)
Communication Systems

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ReferencesLink to record
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