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On Downlink Co-Channel Interfere in Cellular Radio Systems
KTH, Superseded Departments, Signals, Sensors and Systems.
1995 (English)Conference paper (Refereed)
Abstract [en]

In order to achieve a high capacity in cellular radio systems, modulation techniques and receivers have to be resistant to interference from other users. One such method involves using interference cancellation techniques at the receivers. In the design and performance evaluation of such receivers, it is essential to use realistic models of the co-channel interference. In the paper we study the ordered statistic of the downlink co-channel interference in symmetrical cellular systems by means of Monte-Carlo simulations. The results demonstrate that the strongest interferer dominates this interference for base stations on a symmetric grid such as shown for hexagonal cells and Manhattan like street cells layouts. Results show that the probability density functions (pdf) of the downlink co-channel interference power are almost independent of the cluster size and of the base station activities. The results presented here 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
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Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28571OAI: diva2:388006
Nordic Radio Symposium
QC 20110117Available from: 2011-01-16 Created: 2011-01-16 Last updated: 2011-01-17Bibliographically approved

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