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Signaling over cellular networks to reduce the Wi-Fi energy consumption of mobile devices

  • US 8,880,053 B2
  • Filed: 01/21/2013
  • Issued: 11/04/2014
  • Est. Priority Date: 04/05/2007
  • Status: Active Grant
First Claim
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1. A mobile device comprising:

  • a first wireless interface;

    a second wireless interface;

    one or more processors;

    one or more mobile device applications executable by the one or more processors to;

    set to a first power state the first wireless interface on the mobile device when the mobile device is not engaged in communication across the first wireless interface;

    set to a second power state the first wireless interface responsive to receiving a wake up signal via the second wireless interface, the wake up signal being received from a server device communicatively coupled with the mobile device, the wake up signal including an identification (ID) that allows the mobile device to identify the wake up signal as having been sent by the server device, the ID number comprising a number, at least a portion of which is formatted to avoid collisions on the second network, the first power state being a lower power state than the second power state; and

    receive data via the first wireless interface after setting to a second power state the first wireless interface responsive to the wake up signal, the data received via the first wireless interface being separate from the wake up signal.

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