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Charging of battery-operated devices over wireless connections

  • US 9,332,134 B2
  • Filed: 08/25/2011
  • Issued: 05/03/2016
  • Est. Priority Date: 08/25/2011
  • Status: Active Grant
First Claim
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1. A method in a base station to support wireless charging, characterized by:

  • the base station receiving a request from a requesting battery-operated radio equipment for wireless charging;

    receiving, at the base station, messages from multiple donor mobile radio nodes indicating each multiple donor mobile radio nodes possesses an ability to provide wireless charging for the battery-operated radio equipment;

    registering, at the base station, the multiple donor mobile radio nodes, wherein registration authorizes the base station to trigger a wireless charging operation whereby any of the multiple donor mobile radio nodes wirelessly charges a proximate end user radio equipment as directed by the base station, wherein the requesting-battery operated radio equipment and the multiple donor mobile radio nodes each comprises a transceiver for communicating with the base station and each comprises wireless charging circuitry;

    responsive to the registering, selecting, at the base station, one or more of multiple donor mobile radio nodes to provide the requested wireless charging to the requesting battery-operated radio equipment;

    authorizing, at the base station, the request to wirelessly charge the battery-operated radio equipment using power from a registered one of the multiple donor mobile radio nodes;

    in response to authorization of the request, the base station arranging wireless charging for the requesting battery-operated radio equipment by the one or more multiple donor mobile radio nodes, which occurs using the wireless charging circuitry of the battery-operated radio equipment and the one of the multiple donor mobile radio nodes; and

    after providing the wireless charging to the requesting battery-operated radio equipment, the one of the multiple donor mobile radio nodes conveying a message to the base station indicating a remaining amount of power available for future charging requests.

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