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Conserving the power of a node in a wireless communication system

  • US 9,014,746 B2
  • Filed: 11/03/2010
  • Issued: 04/21/2015
  • Est. Priority Date: 11/03/2010
  • Status: Active Grant
First Claim
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1. A method of reducing power consumption of a Radio Network Controller with a plurality of control units in a wireless communication system, each of the control units including one or more processors, the control units adapted to operate in an active mode or adopt a power saving mode, a first control unit operating in the active mode, the method comprising:

  • measuring a degree of utilization of the first control unit;

    comparing the degree of utilization of the first control unit with a first threshold;

    if the degree of utilization of the first control unit is below the first threshold;

    freezing the first control unit for a predetermined first period of time, wherein, during the freezing, the first control unit processes the existing requests on it and any new request to the first control unit is blocked; and

    changing the mode of the first control unit to a power saving mode after the predetermined first period of time.

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