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Distributed cochannel interference control in cellular radio systems
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-4986-6123
1992 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 41, no 3, 305-311 p.Article in journal (Refereed) Published
Abstract [en]

Distributed power control algorithms that use only the carrier-to-interference ratios (C/I ratios) in those links actually in use are investigated. An algorithm that successfully approximates the behavior of the best known algorithms is proposed. The algorithm involves a novel distributed C/I-balancing scheme. Numerical results show that capacity gains on the order of 3-4 times can be reached also with these distributed schemes. Further, the effects of imperfect C/I estimates due to noise vehicle mobility, and fast multipath fading are considered. Results show that the balancing procedure is very robust to measurement noise, in particular if C/I requirements are low or moderate. However, for required high C/I levels or for a rapidly changing path loss matrix, convergence may be too slow to achieve substantial capacity improvements.

Place, publisher, year, edition, pages
IEEE , 1992. Vol. 41, no 3, 305-311 p.
National Category
Computer and Information Science
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URN: urn:nbn:se:kth:diva-29347DOI: 10.1109/25.155977ISI: A1992JL80400010OAI: diva2:393959
QC 20111108Available from: 2011-02-01 Created: 2011-02-01 Last updated: 2011-11-18Bibliographically approved

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