Patent ID: 6633617
Filing Date: 2003-10-14
Classification: H04L

Abstract:
A method for interpolating between a pair of successively received signal samples of first and second sample indices, respectively, in accordance with a Doppler shift, comprising:storing plural samples of a correction function in a first argument range symmetrical about zero argument, the function having zero amplitude outside the first argument range; computing the Doppler shift and determining a time location of a new sample having a new sample index between the pair of received signal samples, the time location being shifted relative to the pair of signal received samples by an amount corresponding to the Doppler shift; computing an amplitude of the new sample at the new sample index by combining the pair of received signal samples with corresponding samples of the correction function, each corresponding sample of the correction function being that sample whose argument is a difference between a corresponding one of the first and second indices and the new sample index.