Method and apparatus for demodulating a symbol using symbol frag

Details Method and apparatus for demodulating a symbol using symbol frag Method and apparatus for demodulating a symbol using symbol frag

1997-05-19

1998-12-22

Chin, Stephen

Pulse or digital communications

Receivers

Automatic frequency control

375329, 375335, 375340, 375343, 329300, 329304, H04L 2738, H04L 2722, H04L 27144

Patent

active

058526382

ABSTRACT:
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.

REFERENCES:
patent: 5119322 (1992-06-01), Stroobach
patent: 5272446 (1993-12-01), Chalmers et al.

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