Analysis of Wireless Communication Systems in the Presence of Non-Gaussian Impulsive Noise and Gaussian Noise

Wireless communication systems operating in the presence of additive Gaussian noise have been well studied in the literature. The additive thermal and ambient noise in the system can be modeled by a Gaussian distribution. This model makes the analysis tractable due to the desirable analytic properties of the Gaussian distribution. However, in many situations the additive noise contains another impulsive noise component which cannot be modeled by a Gaussian approximation. The Laplacian distribution is one of the widely used distributions for modeling non-Gaussian and impulsive noise. The performance of linear diversity combining schemes corrupted by additive Gaussian-plus-Laplacian noise in a Rayleigh fading channel is analyzed.