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Extending outdoor location based services and applications into enclosed areas

  • US 9,609,070 B2
  • Filed: 01/17/2014
  • Issued: 03/28/2017
  • Est. Priority Date: 12/20/2007
  • Status: Active Grant
First Claim
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1. A system for supplying at least one of a location based service (LBS) and a location based application (LBA) generated by an external location server (ELS) in an outdoor environment to a mobile unit positioned in the indoor environment, comprising:

  • an access point (AP) network at least partially located in the indoor environment;

    a distributed antenna system (DAS) at least partially located in the indoor environment and communicatively coupled to at least one of a base station and a repeater;

    a location support module for acquiring and processing data related to the mobile unit location in the indoor environment; and

    a cellular link for transmitting at least some of the data related to the mobile unit location to the ELS and for transmitting at least one of the LBS and the LBA from the ELS to the mobile unit, whereinthe location support module performs toggling between AP-based positioning and at least one of GPS-based positioning and AGPS-based positioning,when the mobile unit moves from the outdoor environment to the indoor environment, the location support module toy ales from at least one of the GPS-based positioning and AGPS-based positioning to AP-based positioning,when the mobile unit moves from the indoor environment to the outdoor environment, the location support module toggles to at least one of the GPS-based positioning and AGPS-based positioning, andthe data related to the mobile unit location includes a description of an indoor entity of the indoor environment.

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