초록 ▼

The invention relates to a system for digital broadcasting by satellite and including a link sending digital information to the satellite, the satellite retransmitting a broadcast multiplex. According to the invention, the link includes a plurality of individual transmitters each of which transmits

The invention relates to a system for digital broadcasting by satellite and including a link sending digital information to the satellite, the satellite retransmitting a broadcast multiplex. According to the invention, the link includes a plurality of individual transmitters each of which transmits a transmission signal at a first rate corresponding to at least one program, and wherein the satellite includes an onboard multiplexer module combining the transmission signals to form the transmission multiplex at a second rate higher than the first rate.

대표청구항 ▼

[ We claim:] [1.] A system for digital broadcasting by satellite, the system including an uplink sending digital information to the satellite, wherein said satellite retransmits a broadcast multiplex signal to a plurality of ground receivers, wherein said uplink includes a plurality of individual gr

[ We claim:] [1.] A system for digital broadcasting by satellite, the system including an uplink sending digital information to the satellite, wherein said satellite retransmits a broadcast multiplex signal to a plurality of ground receivers, wherein said uplink includes a plurality of individual ground transmitter stations, each of which transmits a transmission signal at a first rate, wherein the transmission signal from each of said individual ground transmitter stations is a multiplexed transmission signal carrying digital information corresponding to at least one program, wherein the satellite includes an onboard multiplexer module combining said transmission signals to make up said broadcast multiplex signal at a second rate that is higher than the first rate, wherein at least one individual ground transmitter station includes a transport multiplexer multiplexing at least audio and video signals which correspond to one transmission signal of said transmission signals, and wherein said onboard multiplexer module includes an onboard channel adaptation generator of a first type requiring information to be interchanged between different programs and containing an onboard channel adaptation block.