Method and apparatus for demodulating a symbol using symbol fragmentation, correlation and fourier analysis

摘要

A method and apparatus receives a symbol and subdivides (720) the symbol into a plurality of fragments. The method and apparatus perform (704) for the plurality of fragments a plurality of correlations with at least one possible symbol value, thereby producing a plurality of complex values corresponding to each fragment and further corresponding to the at least one possible symbol value. From the plurality of complex values a plurality of overall Fourier transforms are computed (706) across a frequency range, and a peak value in the plurality of overall Fourier transforms is located (708). The symbol is then determined (710) from the peak value.