AN EVALUATION OF OPTIONAL TIMING/SYNCHRONIZATION FEATURES TO SUPPORT SELECTION OF AN OPTIMUM DESIGN FOR THE DCS DIGITAL COMMUNICATION NETWORK

D.B. Bradley, J.B. Cain III, M.W. Williard

Abstract:	This paper reports the results of one of the tasks of a study performed by Harris Corporation for the Defense Communications Agency (DCA). The task was to evaluate the ability of a set of timing/synchronization subsystem features to provide a set of desirable characteristics for the evolving Defense Communications System (OCS) digital communications network. The set of features relate to the approaches by which timing/synchronization information could be disseminated throughout the network and the manner in which this information could be utilized to provide a synchronized network. These features, which could be utilized in a large number of different combinations, include mutual control, directed control, double ended reference links, independence of clock error measurement and correction, phase reference combining, and self organizing. Some additional secondary features include smoothing for link and nodal dropouts, unequal reference weightings, and a master in the mutual control network. The set of desirable characteristics used in the evaluation of the features includes but is not limited to, frequency and phase accuracy, minimized propagation of disturbances in the network, slip free communications as a normal mode of operation.
Published in:	Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting November 28 - 30, 1978 Goddard Space Flight Center Greenbelt, Maryland
Pages:	437 - 461
Cite this article:	Bradley, D.B., Cain, J.B., III, Williard, M.W., "AN EVALUATION OF OPTIONAL TIMING/SYNCHRONIZATION FEATURES TO SUPPORT SELECTION OF AN OPTIMUM DESIGN FOR THE DCS DIGITAL COMMUNICATION NETWORK," Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting, Greenbelt, Maryland, November 1978, pp. 437-461.
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