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Wireless network security

  • US 7,020,476 B2
  • Filed: 12/23/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 12/23/2002
  • Status: Active Grant
First Claim
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1. A secure wireless network comprising:

  • a plurality of receiver nodes coupled to corresponding high-precision clocks and configured to receive unsolicited wireless frames transmitted both from within and outside a secured geographic area covered by the secure wireless network;

    a master synchronization high-precision clock coupled to said corresponding high-precision clocks;

    a position location system coupled to said receiver nodes and programmed to compute estimated positions for individual ones of wireless nodes transmitting said wireless frames; and

    ,access management logic coupled to said position location system and configured to manage access to the wireless network by said individual ones of said wireless nodes based upon said computed estimated positions.

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