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Method of compensating for sampling frequency offset in OFDM receiver, method of synchronizing OFDM receiver, method of compensating local oscillator frequency offset in OFDM receiver, and OFDM receiver
Method of compensating for sampling frequency offset in OFDM receiver, method of synchronizing OFDM receiver, method of compensating local oscillator frequency offset in OFDM receiver, and OFDM receiver
A partial Fourier Transform is performed, preferably using Goertzel's algorithm, to calculate two frequency bins. A phase variation is calculated for each bin, the phase variation preferably representing the phase difference between the bin calculated by a Fourier Transform performed on samples in a guard interval and the bin calculated by a Fourier Transform performed on matching samples within the useful part of the symbol. The sampling frequency offset is compensated by taking the difference between the phase variations. IMAGE
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