Method and apparatus for using satellites for reverse path communication in direct-to-home subscription information systems

摘要: Apparatus for using a low earth orbit satellite reverse path communication in subscription information service delivery system comprises receiver adapted to receive signal at frequencies exceeding 1 GHz via first path. Responsive poll, the is transmit response poll under second satellite. The polling request may be transmitted with or through Preferably, addressed and message length field. provider identifier subscriber further, preferably data encrypted by key known provider.