Apparatus and technique for timing jitter cancellation in a data

Details Apparatus and technique for timing jitter cancellation in a data Apparatus and technique for timing jitter cancellation in a data

1984-06-19

1989-05-16

Griffin, Robert L.

Pulse or digital communications

Spread spectrum

Direct sequence

375 99, 328162, 307269, H03D 106, H04L 702

Patent

active

048316377

ABSTRACT:
A data receiver which includes a timing recovery circuit or periodically adjusting a timing signal used to control sampling of the received signal is arranged to reduce or eliminate phase jitter introduced as a result of the adjustments. Apparatus and a method are described for forming a correction factor which is a joint function of the timing adjustment increment and a previous correction factor. Typically, correction is accomplished by forming the complex product of the in-phase and quadrature-phase components of the received signal and the recursively updated correction factor.

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patent: 4309770 (1982-01-01), Godard
patent: 4334313 (1982-06-01), Gitlin et al.
patent: 4530104 (1985-07-01), Kamerman
"Timing Recovery and Scramblers in Data Transmission", BSTJ, Mar. 1975, pp. 569-593, R. D. Gitlin, J. F. Hayes.

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