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BROADCAST SYSTEM INTERFERENCE PROTECTION METHOD AND APPARATUS

  • US 20090161608A1
  • Filed: 12/21/2007
  • Published: 06/25/2009
  • Est. Priority Date: 12/21/2007
  • Status: Active Grant
First Claim
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1. A method in a secondary system for utilizing channel bandwidths allocated to a primary system, comprising:

  • in a secondary system transceiver;

    receiving a primary system signal;

    re-transmitting a delayed version of the primary system signal; and

    communicating with secondary system equipment utilizing secondary system signals within at least part of a bandwidth of at least one channel of the primary system.

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