  In this paper, we provide closed form expressions for the probability density
functions (PDF) of the interference power in a network whose transmitters are
arranged according to the Poisson Point Process (PPP). These expressions apply
for any integer path loss exponent \eta greater than 2. Using the stretched
exponential or Kohlrausch function, we show that the PDF formulas can be
obtained as long as the Laplace transform (LT) for the PDF follows a specific
common (exponential) formulation. Moreover, we show that such closed form
expressions can be useful in deriving performance metrics for the network for
any fading type experienced by the signals. Finally, using Monte-Carlo
simulations and numerical analysis, we validate the accuracy of the proposed
analytical derivations.
