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Fundamental Limitations of Power Control and Radio Resource Management in Wireless Networks
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2004 (English)In: Wireless Communications & Mobile Computing, ISSN 1530-8669, E-ISSN 1530-8677, Vol. 4, no 5, 579-591 p.Article in journal (Refereed) Published
Abstract [en]

The ultimate resource in wireless networks is transmission power. The system stability and the resource sharing algorithms all rely on well functioning power control. To realistically address resource management algorithms, it is important to consider fundamental limitations of the radio resource and of power control. Exact and approximate capacity expressions are derived and related to Quality of Service (QoS) requirements of services. Power control is subject to limited update rate, limited feedback bandwidth, time delays, measurement errors, feedback errors and filtering effects which all affect the resulting performance. Simulations further illustrate the hampering effects and motivates models of power control inaccuracies.

Place, publisher, year, edition, pages
John Wiley & Sons, 2004. Vol. 4, no 5, 579-591 p.
Keyword [en]
Power control, Radio resource management, Wireless networks, Control theory, Feedback control, Capacity, Stability, Time delay, Disturbance rejection
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-95684DOI: 10.1002/wcm.198OAI: diva2:637273

Copyright © 2004 John Wiley & Sons, Ltd.

Available from: 2013-07-17 Created: 2013-07-17 Last updated: 2013-07-17

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Gunnarsson, Fredrik
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Automatic ControlThe Institute of Technology
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