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Distributed optimization of end-to-end rates and radio resources in WiMax single-carrier networks
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
2006 (English)In: GLOBECOM - IEEE Global Telecommunications Conference, 2006Conference paper (Refereed)
Abstract [en]

We consider the problem of joint end-to-end band-width allocation and radio resource management in WiMax single-carrier wireless networks. The design problem is posed as a utility maximization problem subject to link rate constraints which involve transmission scheduling and power allocation. Inspired by a centralized algorithm for solving the associated optimization problem, we proceed systematically in our development of distributed resource allocation mechanisms. Contrary to the centralized algorithm, the proposed solution is distributed and of low computational complexity, generates schedules of finite length and with fixed time-slot durations, and acts on local neighborhood information only. Although the final scheme is suboptimal, we isolate and quantify the performance losses incurred and demonstrate strong performance in examples.

Place, publisher, year, edition, pages
, IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Keyword [en]
Optimal control systems, Optimization, Problem solving, Resource allocation, Scheduling algorithms, Utility programs, Centralized algorithms, Distributed optimization, Power allocation, Radio resource management, Single-carrier networks, Telecommunication networks
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-28528DOI: 10.1109/GLOCOM.2006.744ISI: 000288765603180ScopusID: 2-s2.0-50949096350ISBN: 978-1-4244-0356-1OAI: diva2:388740
IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference; San Francisco, CA; United States; 27 November 2006 through 1 December 2006

QC 20110118

Available from: 2011-01-18 Created: 2011-01-14 Last updated: 2014-11-07Bibliographically approved

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