Patent ID: 7489927
Filing Date: 2009-02-10
Classification: H04B

Abstract:
1. A method for communicating with an object in space, said method comprising: communicating between a ground station and a first geosynchronous satellite of a plurality of geosynchronous satellites, wherein said ground station and said first geosynchronous satellite are in fixed communication and wherein each of said geosynchronous satellites is associated with a respective three-dimensional cell including the respective geosynchronous satellite and a respective surrounding region; communicating between said first geosynchronous satellite and a second geosynchronous satellite having associated with it a cell including said object by relaying messages between said first geosynchronous satellite and said second geosynchronous satellite; and communicating between said second geosynchronous satellite and said object; wherein a portion of the electromagnetic spectrum used by said geosynchronous satellites to communicate with said object is dedicated as a paging channel.