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Downlink Relative Co-Channel Interference Powers in Cellular Radio Systems
KTH, Superseded Departments, Signals, Sensors and Systems.
1995 (English)In: Proceedings of the 1995 IEEE 45th Vehicular Technology Conference, IEEE , 1995, 366-370 p.Conference paper (Refereed)
Abstract [en]

One method to achieve high capacity in cellular radio systems involves interference cancellation techniques at the receivers. To design and evaluate the performance of such interference cancellation receivers, it is essential to use realistic models of the co-channel interference. In the paper we study the ordered statistic of the relative co-channel interference, i.e. the ratio between the power level of i:th strongest interferer and the total co-channel interference power. Results from Monte-Carlo simulations show that for base stations on a symmetric grid, hexagonal cells or half-square Manhattan like street cells, the probability density functions (pdf) of the interference ratios are almost independent of the cluster size and of the base station activities. The results demonstrate the dominance of the strongest interference and show that this dominance is even more pronounced in those situations when the signal to interference ratio is low. The presented results provide a base for more realistic models for performance evaluation in cellular systems than the commonly used Gaussian interference model.

Place, publisher, year, edition, pages
IEEE , 1995. 366-370 p.
Keyword [en]
Communication channels (information theory), Computer simulation, Models, Monte Carlo methods, Performance, Probability density function, Radio receivers, Radio stations, Signal interference, Base station, Downlink relative co-channel interference power, Interference cancellation techniques, Ordered statistic, Signal to interference ratio
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28577DOI: 10.1109/VETEC.1995.504890ISBN: 0-7803-2742-XOAI: diva2:388013
QC 20110117Available from: 2011-01-16 Created: 2011-01-16 Last updated: 2011-01-17Bibliographically approved

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Hagerman, Bo
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ReferencesLink to record
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