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GPS BASEBAND CONTROLLER ARCHITECTURE

  • US 20110102257A1
  • Filed: 11/04/2010
  • Published: 05/05/2011
  • Est. Priority Date: 11/04/2009
  • Status: Active Grant
First Claim
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1. A GPS receiver comprising an RF front end module configured to acquire and tracking a satellite signal and a baseband processor that in turn includes:

  • a GPS engine configured to process the satellite signal and generate a PVT fix;

    a power supervisory module configured to receive the PVT fix; and

    a user state module for determining an environmental state;

    wherein the power supervisory module powers down the RF front end module and the GPS engine for a shut-down time period based on a result of the determined environment state.

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