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Dynamic Resource Allocation in OFDM Systems: An Overview of Cross-Layer Optimization Principles and Techniques
TU Berlin.
Telecommunications Networks Group (TKN), Technical University Berlin.ORCID iD: 0000-0001-6682-6559
Ericsson Research.
TU Berlin.
2007 (English)In: IEEE Network, ISSN 0890-8044, Vol. 21, no 1, 53-59 p.Article in journal (Refereed) Published
Abstract [en]

Recently, a lot of research effort has been spent on cross-layer system design. It has been shown that cross-layer mechanisms (i.e., policies) potentially provide significant performance gains for various systems. In this article we review several aspects of cross-layer system optimization regarding wireless OFDM systems. We discuss basic optimization models and present selected heuristic approaches realizing cross-layer policies by means of dynamic resource allocation. Two specific areas are treated separately: models and dynamic approaches for single transmitter/receiver pairs (i.e., a point-to-point communication scenario) as well as models and approaches for point-to-multipoint communication scenarios (e.g., the downlink of a wireless cell). This article provides basic knowledge in order to investigate future OFDM cross-layer-optimization issues.

Place, publisher, year, edition, pages
IEEE Communications Society, 2007. Vol. 21, no 1, 53-59 p.
National Category
URN: urn:nbn:se:kth:diva-134858DOI: 10.1109/MNET.2007.314539ISI: 000243891600010ScopusID: 2-s2.0-33947589260OAI: diva2:668457

QC 20131202

Available from: 2013-11-29 Created: 2013-11-29 Last updated: 2014-01-20Bibliographically approved

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