A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range...http://www.google.fr/patents/US20030207684?utm_source=gb-gplus-shareBrevet US20030207684 - Broadband communication system for mobile users in a satellite-based network
Broadband communication system for mobile users in a satellite-based network
Numéro de demande: 09/848,072 Numéro de publication: US 2003/0207684 A1 Date de dépôt: 2 mai 2001 Brevet délivré: US6708029 ( Date de délivrance 16 mars 2004)
