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Joint transmission power control method and transponded communication system

  • US 9,743,362 B1
  • Filed: 10/13/2016
  • Issued: 08/22/2017
  • Est. Priority Date: 10/13/2016
  • Status: Active Grant
First Claim
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1. A method for joint transmission power control, comprising:

  • transmitting, by a plurality of communication terminals, a plurality of uplink signals to a bent pipe transponder through a plurality of uplinks respectively;

    combining, by the bent pipe transponder, the plurality of uplink signals to generate a combined downlink signal, and transmitting the combined downlink signal to a ground hub through a combined downlink;

    extracting, by the ground hub, a plurality of downlink signals from the combined downlink signal, wherein each downlink signal corresponds to one of the plurality of uplink signals and a transponded link, each transponded link is defined as one uplink plus a corresponding downlink from the bent pipe transponder to the ground hub;

    performing, by the ground hub, a link information estimation and pre-qualification process by using the plurality of downlink signals to determine whether a selected waveform is supported by a corresponding transponded link; and

    performing, by the ground hub, a joint transmission power control process by using the plurality of downlink signals to determine whether a set of link waveforms corresponding to a plurality of transponded links are supported when required downlink margins and required uplink margins are satisfied.

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