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Method and arrangement for reducing power consumption in a mobile communication network

  • US 9,769,745 B2
  • Filed: 04/21/2015
  • Issued: 09/19/2017
  • Est. Priority Date: 01/17/2006
  • Status: Active Grant
First Claim
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1. A method of operating a wireless communication device in a wireless communication system, the method comprising:

  • transitioning from a first mode to a second mode, wherein the wireless communication device does not listen for downlink data transmissions while operating in the first mode, and wherein the wireless communication device listens for downlink data transmissions while operating in the second mode;

    while the wireless communication device is operating in the second mode, receiving one or more packets from a transmitter;

    in response to determining that a packet has been received in error;

    transmitting a negative acknowledgement to the transmitter; and

    adjusting a length of time for the second mode based, at least in part, on a time period associated with retransmitting the packet received in error; and

    transitioning from the second mode to the first mode based, at least in part, on the adjusted length of time for the second mode.

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