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Optimal Soft Frequency Reuse and Dynamic Sub-carrier Assignments in Cellular OFDMA Networks
TU Berlin.
RWTH Aachen University, UMIC Research Centre,.ORCID iD: 0000-0001-6682-6559
TU Berlin.
2010 (English)In: European transactions on telecommunications, ISSN 1124-318X, E-ISSN 2161-3915, Vol. 21, no 8, 704-713 p.Article in journal (Refereed) Published
Abstract [en]

Soft frequency reuse (SFR) is a common technique for co-channel interference (CCI) mitigation in cellular OFDMA networks. The performance of such networks significantly depends on the configuration of the power profiles that implement the soft frequency reuse patterns. In this paper, we investigate the performance of static soft frequency reuse by comparing it against the optimal case, in which a central entity optimally distributes power among the users of the network. It is shown that there is a significant performance gap between both approaches, which needs to be filled by adaptive SFR mechanisms. Moreover, we show that the achievable gain of static SFR is small in a system that is able to optimally decide on terminal/sub-carrier assignments.

Place, publisher, year, edition, pages
2010. Vol. 21, no 8, 704-713 p.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-134788DOI: 10.1002/ett.1434ISI: 000285397900004Scopus ID: 2-s2.0-78649810210OAI: oai:DiVA.org:kth-134788DiVA: diva2:668057
Note

QC 20131128

Available from: 2013-11-28 Created: 2013-11-28 Last updated: 2017-12-06Bibliographically approved

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Gross, James

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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More styles
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  • de-DE
  • en-GB
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