Patent · US Active

Method for performing power headroom reporting procedure and PHR MAC control element

US8537767B2 · kind B2 · utility

25Cited by
1References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2011
Grant dateSep 17, 2013
Priority date
Expiry dateJan 17, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W52/40
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

This invention relates to a method for performing Power Headroom reporting procedure, adapted for a user equipment, wherein the user equipment is operated in a plurality of activated serving cells, the method includes the steps of: providing a prohibitPHR-Timer; obtaining a plurality of downlink path loss values respectively corresponding to the activated serving cells; triggering a power headroom report when the prohibitPHR-Timer expires or has expired and at least one of the downlink path loss values has changed more than a PathlossChange threshold since the last transmission of a PHR; and reporting the power headroom report.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.