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Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network

  • US 8,364,185 B2
  • Filed: 10/28/2005
  • Issued: 01/29/2013
  • Est. Priority Date: 04/18/2005
  • Status: Active Grant
First Claim
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1. A method of synchronizing a clock for an adjacent network (AN) to a clock for an overlay network (ON), comprising:

  • determining whether a wireless access point for the AN is providing service to at least one mobile station in a service area of the wireless access point;

    in response to determining that the wireless access point is not providing service to at least one mobile station;

    determining that the AN is in an idle mode and able to receive an ON clock signal from the ON;

    extracting the ON clock signal from an outgoing signal transmitted wirelessly from the ON;

    synchronizing the AN clock to the ON clock based on the extracted ON clock signal;

    extracting a system time from the outgoing signal;

    determining whether location information of the ON is available; and

    resynchronizing the AN clock to the ON clock based on at least the extracted system time and the location information in response to determining that the location information of the ON is available.

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