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Power management mechanism for unlicensed wireless communication systems

  • US 8,041,385 B2
  • Filed: 04/04/2005
  • Issued: 10/18/2011
  • Est. Priority Date: 05/14/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • operating a mobile station (MS) on a licensed communication network via a first radio;

    determining whether a camping cell associated with the licensed communication network is available;

    when a camping cell associated with the licensed communication network is available, at the MS, storing system information of the camping cell;

    switching the MS from operating on the licensed communication network to operating on an unlicensed communication network via a second radio;

    detaching, at the MS, a radio resource (RR) protocol sub-layer associated with the licensed communication network from a plurality of upper protocol layers;

    at the MS, shutting down a layer 1 protocol layer associated with the licensed communication network prior to deactivating the first radio; and

    deactivating the first radio after the MS has switched operation to the unlicensed communication network.

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