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Data resume indicator for mobile device power conservation

  • US 8,964,611 B2
  • Filed: 11/15/2010
  • Issued: 02/24/2015
  • Est. Priority Date: 11/15/2010
  • Status: Active Grant
First Claim
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1. A client terminal comprising:

  • a wireless communication interface for wirelessly communicating with an access point; and

    a processing circuit coupled to the wireless communication interface and adapted to receive data messages via the wireless communication interface during a communication session, the wireless communication interface configured tooperate in a connected mode using a data channel during the communication session, where the operating mode of the client terminal is known to the access point;

    switch to a lowered power mode after a period of inactivity in the data channel while the communication session remains active;

    monitor a control channel for a data resume indicator from the access point, where the data resume indicator is sent by the access point prior to transmission of data for the communication session; and

    receive data from the access point in the lowered power mode over the control channel when the data is of a first size, otherwise switch to the connected mode prior to receiving the data from the access point over the data channel when the data is of a second size, wherein the second size is larger than the first size.

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