Abstract-A statistical method is presented for the analysis of the power sum of multiple correlated log-normal random components. The results are compared with those of Schwartz and Yeh and the Monte Carlo simulation. The effect of correlation on the mean and the variance of the combined multiple correlated lognormal components is also investigated. The presented method allows quick and accurate calculations for various system performance parameters of radio networks for high-capacity cellular telephony, two-way paging, packet radio, mobile data networks, and radar detection systems.

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Abstract-This paper presents a study to evaluate the cochanne1 interference probability for the desired and interference signals which are correlated due to shadowing. The effects of correlation on the normalized reuse distance is investigated. A generalized expression for the cochannel interference probability is derived by combining uncorrelated (fast) Rayleigh fading and correlated (slow) log-normal signals. Cochannel interference probability for sectorized cell layouts is compared with the lower bound of cochannel interference probability for omnidirectional antenna systems. The results are useful for evaluating the performance of cellular telephony and packet radio networks.

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