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A Concept of Power Control in Cellular Radio Systems
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1999 (English)In: Proceedings of the 14th World Congress, 1999Conference paper, Published paper (Refereed)
Abstract [en]

Due to the rapid expansion of the cellular radio systems market, and the need for wireless multimedia services, the available resources have to be utilized efficently. A common strategy is to control the transmitter powers of the mobiles and base stations. However, when applying power control to real systems, a number of challenges are prevalent. The performance is limited by time delays, nonlinearities and the availability of measurements and adequate quality measures. In this paper we present a Power Regulator concept, which comprises an Unknown Input Observer, a Quality Mapper and a Power Control Algorithm. The applicability of the concept is exemplified using frequency hopping GSM, and simulations indicate benefits of employing the proposed concept.

Place, publisher, year, edition, pages
1999.
Keyword [en]
Power control, Cellular radio systems, Cascade control, Distributed control, Maximum likelihood estimation
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-91192ISBN: 978-0080432137 (print)OAI: oai:DiVA.org:liu-91192DiVA: diva2:617158
Conference
14th World Congress, Beijing, China, July, 1999
Available from: 2013-04-22 Created: 2013-04-17 Last updated: 2013-04-22

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