Method and device for controlling timer on buffer status report

  • US 8,958,381 B2
  • Filed: 06/21/2011
  • Issued: 02/17/2015
  • Est. Priority Date: 06/21/2010
  • Status: Active Grant
First Claim
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1. A method, in a User Equipment, UE, in a system with carrier aggregation, of controlling a timer on a Buffer Status Report, BSR, wherein the system includes the UE with a plurality of component carriers and one or more component carriers can be used in a sub-frame, and the plurality of the component carriers correspond to one retransmission BSR timer, retxBSR-Timer, one BSR periodic report timer, and periodic BSR-Timer, the method comprises:

  • starting the retxBSR-Timer and the periodicBSR-Timer, when a BSR is transmitted over any one of component carriers in a sub-frame;

    restarting the retxBSR-Timer when there is a new data transmission resource over any one of component carriers in a sub-frame;

    restarting the periodicBSR-Timer when a long BSR or a short BSR is transmitted over any one of component carriers in a sub-frame; and

    triggering a regular BSR when the retxBSR-Timer expires; and

    triggering a periodic BSR when the periodicBSR-Timer expires.

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