Symbol synchronization using baud-rate sampling anddata-sequence-dependent signal processing |
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Authors: | Armstrong J |
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Affiliation: | Dept. of Electr. & Electron. Eng., Melbourne Univ., Vic.; |
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Abstract: | An algorithm for symbol timing recovery using baud-rate sampling is presented. Using this algorithm, the decoded data sequence is scanned for particular data patterns that yield samples which need only to be added or subtracted to give an estimate of the required timing function. The statistics of occurrence of these data patterns are calculated for random binary data. The variance of the timing function estimates is calculated for pulses with raised-cosine spectra that have been degraded by quadratic delay distortion and is shown to be lower, in most cases, than for other synchronizers using baud-rate sampling |
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