Title :
Present and Future of Synchronization in the US Telephone Network
Keywords :
Channel bank filters; Clocks; Delay; Digital control; Frequency control; Frequency synchronization; Intelligent networks; Switches; Telephony; Timing;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
DOI :
10.1109/T-UFFC.1987.26995
