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Communication system, interrogators and communication methods

  • US 20010001758A1
  • Filed: 01/08/2001
  • Published: 05/24/2001
  • Est. Priority Date: 09/03/1998
  • Status: Active Grant
First Claim
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1. A backscatter communication system comprising:

  • an interrogator including a transmitter configured to output a forward link communication and a receiver configured to receive a return link communication having a carrier signal, the receiver being configured to reduce the amplitude of the carrier signal of the return link communication; and

    a communication device configured to modulate the carrier signal to communicate the return link communication responsive to reception of the forward link communication.

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