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Power headroom report method and apparatus of UE

  • US 9,451,564 B2
  • Filed: 03/12/2015
  • Issued: 09/20/2016
  • Est. Priority Date: 02/15/2011
  • Status: Active Grant
First Claim
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1. A method by a terminal in a mobile communication system, the method comprising:

  • determining whether power backoff is applied due to power management if a power headroom report (PHR) is triggered;

    identifying whether an extended PHR is configured;

    generating an extended power headroom (PH) medium access control (MAC) control element (CE) if the extended PHR is configured; and

    transmitting the extended PH MAC CE to a base station,wherein a first bit of an octet containing PH field in the extended PH MAC CE is set based on the determination.

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