Patent ID: 8488726

Claim:
A receiver for determining a received bit sequence based on a received signal transmitted to the receiver over a channel, the receiver comprising: a parametric channel-estimator that provides a channel-estimate based on a closed-form parametric model of the channel, the parametric channel-estimator estimating parameters for the parametric model based on the received signal, wherein the closed-form parametric model of the channel is based on a nonlinear transformation T s (y) as defined in the following equation: u=T s ( y )= F u|s (−1) ( F y|s ( y )), where s is a noise-free signal, u is a Gaussian random variable, T s is a transformation function, y is a random variable representing a received input symbol, F u|s (•) is a cumulative distribution function of u when the noise-free signal s is received, F y|s (•) is a cumulative distribution function of y when the noise-free signal s is received; and a decoder coupled to the parametric channel-estimator, the decoder determining the received bit sequence based in part on the channel-estimate from the parametric channel-estimator.