1. A receiver adapted to receive and process a radio signal and initialize an initial value of a parameter, the receiver being characterized by means for: comparing a new delay of the received signal and an old delay of a previously received signal; if the new delay and the old delay are the same, then initializing the initial value of the parameter to be an existing value; and if the new delay and the old delay are not the same, then interpolating information and initializing the initial value of the parameter to be the interpolated value, said act of interpolating comprising the acts of: defining an interpolation set within which there may be one or more existing values of the parameter that could be used to initialize the initial value of the parameter; if the interpolation set is empty, then initializing the initial value of the parameter to be zero or some other value; and, if the interpolation set is not empty, then interpolating the one or more existing values of the parameter and initializing the initial value of the parameter to be the interpolated value.