Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1989-02-17
1990-09-11
Safourek, Benedict V.
Pulse or digital communications
Spread spectrum
Direct sequence
328164, 375100, 375120, 455139, H03D 324
Patent
active
049568531
ABSTRACT:
A method of servo-controlling the instant of regeneration in a digital transmission in which a carrier is modulated along two axes in quadrature, in which the optimum instant of regeneration is sought on one of the paths (path X) by manual adjustment, the method being characterized in that two corresponding samples of the phase impulse response on the two paths are compared and the offset of the instant or regeneration on the second path (path Y) is adjusted so that the two samples of heeimoule essonpe enn tt bb enual.
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"Timing Recovery in Digital Synchronous Data Receivers", K. H. Mueller et al., IEEE Transactions on Communications, vol. Com-24, No. 5, May 1976, pp. 516-530.
"Minimum Mean-Square Error Timing Recovery Schemes for Digital Equalizers", H. Sari et al., IEEE Transactions on Communications, vol. Com-34, No. 7, 7/86, pp. 694-702.
ALCATEL N.V.
Bocure Tesfaldet
Safourek Benedict V.
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