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Method and appartus for dynamic frequency bandwidth allocation

  • US 20020187747A1
  • Filed: 06/12/2001
  • Published: 12/12/2002
  • Est. Priority Date: 06/12/2001
  • Status: Abandoned Application
First Claim
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1. A flexible bandwidth satellite communications system, the system comprising:

  • at least one satellite, the at least one satellite comprising;

    at least one controller spot beam;

    at least two transponders;

    wherein the at least two transponders each comprise;

    at least one receive antenna, wherein the at least one receive antenna is adaptable to a multi-mode receiver operating mode, wherein the multi-mode receiver operating mode is selected from the receive mode group consisting of;

    receiving a polarized signal, receiving at least one space division multiple access signal (SDMA), and receiving a polarized signal and receiving at least one SDMA signal;

    at least one transmit antenna having at least one communications spot beam;

    wherein the at least one transmit antenna is adaptable to a multi-mode transmitter operating mode, wherein the multi-mode transmitter operating mode is selected from the transmit mode group consisting of transmitting a polarized signal, transmitting at least one SDMA signal, and transmitting a polarized signal and transmitting at least one SDMA signal;

    at least one bandwidth filter connectable between the at least one receive antenna and the at least one transmit antenna, the at least one fixed bandwidth filter having a controllable pass-band;

    at least one controller gateway, wherein when the at least one controller gateway is not illuminated by either of the at least one communication spot beams the at least one controller gateway is;

    adaptable to communicating with the at least one satellite; and

    adaptable to controlling the controllable passband via said communications.

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