A method for communicating information is disclosed wherein a time slot is allocated in a time division multiple access system for a transmission from a subscriber to a headend. Synchronization of a clock of the subscriber with respect to a clock of the headend is enhanced using a message transmitted...http://www.google.es/patents/US7190704?utm_source=gb-gplus-sharePatente US7190704 - Cable modem system with sample and packet synchronization
Cable modem system with sample and packet synchronization
