Synchronization and timing source priority in an ad-hoc network

Details Synchronization and timing source priority in an ad-hoc network Synchronization and timing source priority in an ad-hoc network

H - Electricity

04

W

H04W 84/18 (2009.01) H04L 7/04 (2006.01)

Patent

CA 2627015

A bandwidth efficient and robust timing synchronization approach in an ad-hoc network is provided by a mobile ad-hoc network including at least one group of mobile nodes having at least one timing reference (TR) node. Mobile nodes include a controller and a wireless communications device cooperating therewith to generate and transmit timing synchronization beacons having a respective hop count indicating a number of hops to the at least one timing reference node, receive timing synchronization beacons from neighboring nodes, and synchronize node communication timing with neighboring nodes based upon the number of hops to the at least one timing reference node. The timing reference node may cooperate with the other mobile nodes based upon a timing source priority tree including levels defined by hop counts. The timing reference node is at a starting level of the timing source priority tree. The other nodes are at a higher level of the timing source priority tree than the starting level and correspond to the number of hops to the at least one timing reference node.

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