In a TDMA satellite communication network comprising control and local earth stations communicable with one another through a satellite, a time difference between transmission and reception of a reference burst is measured at the control earth station to detect a time deviation (Tb) from a standard offset...http://www.google.com.au/patents/US4800560?utm_source=gb-gplus-sharePatent US4800560 - Synchronization control capable of establishing synchronization without transmission of distance information between control and local earth stations
