Packetized cdma/tdm satellite communication system

Details Packetized cdma/tdm satellite communication system Packetized cdma/tdm satellite communication system

H - Electricity

04

B

H04B 7/185 (2006.01) H04L 12/56 (2006.01) H04Q 11/04 (2006.01) H04B 1/69 (2006.01)

Patent

CA 2202116

In a satellite communication system a CDMA uplink signal including user data is transmitted in a packetized manner, the packets are switched on board the satellite by a packet switch before its downlink delivery. The packet switchroutes the packets to the appropriate one of several outgoing downlink beams based on address information included in the packet header. Time Division Multiplexing(i.e., TDM) is used for downlink transmission. This invention constitutes an efficient multi-user satellite based communication system.

Dans le système de communication à satellite de l'invention, un signal de liaison ascendante AMDC contenant des données est transmis par paquets qui sont commutés dans le satellite avant leur retransmission par la liaison descendante. Le système commute les paquets sur l'une des liaisons descendantes, cette liaison étant choisie d'après l'adresse incorporée à l'en-tête des paquets. La liaison descendante utilise le multiplexage temporel. L'invention procure un système de communication à satellite multiutilisateur efficace.

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