Outage analysis in mobile radio systems with generically correlated log-normal interferers

A novel methodology is proposed for computing the outage probability in mobile radio systems in the presence of log-normal shadowing. A relevant feature is that the proposed analysis assumes a general correlation for any pair of links. Various approaches are considered to compute the statistics of u...

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Bibliographic Details
Published in:IEEE transactions on communications 2000-03, Vol.48 (3), p.381-385
Main Authors: Pratesi, M., Santucci, F., Graziosi, F., Ruggieri, M.
Format: Article
Language:English
Subjects:
Accuracy
Base stations
Computation
Correlation analysis
Interference
Land mobile radio
Land mobile radio cellular systems
Links
Log-normal distribution
Mathematical analysis
Mobile communication
Outages
Probability
Radio
Shadow mapping
Statistics
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Summary:A novel methodology is proposed for computing the outage probability in mobile radio systems in the presence of log-normal shadowing. A relevant feature is that the proposed analysis assumes a general correlation for any pair of links. Various approaches are considered to compute the statistics of user signal-to-interference ratio (SIR), namely Schwartz and Yeh's method, Wilkinson's method, and Fenton's method. By a simple reformulation of the problem, these methods can be used to calculate in a straightforward way the parameters of the SIR. The accuracy of the methods is checked in a number of situations of interest. Moreover, when the same correlation is assigned to any pair of links, the novel analysis is more accurate than previously proposed approaches.
ISSN:0090-6778
1558-0857
DOI:10.1109/26.837041