Patent ID: 6487294
Filing Date: 2002-11-26
Classification: H04B

Abstract:
A satellite communications system comprising:an orbiting communications satellite configured to relay a plurality of communications messages to and from a plurality of stations, the communications messages each having a data content; a first station of the plurality of stations; and a second station of the plurality of stations, the second station including an internal secure signal processing path and an internal non-secure signal processing path in parallel, wherein the first and second stations are each configured to transmit and receive at least one of the plurality of communications messages, and wherein the first station transmits one communications message of the plurality of communications messages and the second station receives, processes, and validates the one communications message in both the secure signal processing path and the non-secure signal processing path, and ignores the one communications message if the message fails validation in both the secure signal processing path and the non-secure signal processing path, the data content of the one communications message in the secure signal processing path and the non-secure signal processing path being identical.