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SYSTEM AND METHOD FOR MODULATING A SIGNAL AT AN ANTENNA

  • US 20090220030A1
  • Filed: 11/25/2008
  • Published: 09/03/2009
  • Est. Priority Date: 02/28/2008
  • Status: Active Grant
First Claim
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1. A direct spatial antenna modulation (DSAM) antenna comprising:

  • a radiating structure comprising spatial points of origination;

    a common feed point for receiving a carrier signal that is unmodulated; and

    a switching system responsive to a baseband data signal, wherein the switching system directs the unmodulated carrier signal to at least one spatial point of origination thereby modulating the carrier signal.

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