Multi-gateway beam-hopping synchronization method and system for high-throughput satellites
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[0076] The ground gateway group needs to include the network control center, the master gateway and a plurality of slave gateways. The network control center and multiple gateway stations have the capability of information exchange. Each gateway station in the system generates the required forward control signaling signal according to the hopping requirements of the service signal, including control signaling and time signaling; After receiving the signal, the forward link repeater performs carrier separation and sends it to the beam hopping controller. The beam hopping controller detects the forward control signaling signal, and if it is a control signaling, extracts the beam switching control contained in the control signaling. The information is also used for beam switching. If it is time signaling, time comparison is performed to extract the time difference between each slave gateway and the master gateway, and then it is fed back to each slave gateway.
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