Importance

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Abstract

A receiver is described including circuitry for deriving at least a first stream of first digitized samples from a received analog signal at a first sampling rate, circuitry for selecting a first sampling point and at least a second sampling point, a demodulator for demodulating first and second symbols from the at least first stream of samples based on the first and the at least second sampling points, and circuitry for determining a value related to a demodulation accuracy for the first and second symbols and for outputting a signal, the circuitry for selecting being adapted to alter the sampling point based on the signal. By assessing a demodulation accuracy in real time clock drift can be compensated. The demodulation accuracy can be a value related to a phase error or an error energy such as EVM or DEVM for each demodulated symbol.

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First Claim