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Scheduling request resource selection

  • US 10,165,592 B2
  • Filed: 03/03/2016
  • Issued: 12/25/2018
  • Est. Priority Date: 03/09/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a wireless device from a base station, at least one message comprising configuration parameters of a plurality of cells comprising;

    a primary cell with a primary physical uplink control channel (PUCCH) transmitted to the base station; and

    a PUCCH secondary cell with a secondary PUCCH transmitted to the base station;

    in response to a media access control (MAC) entity, of the wireless device, having more than one valid PUCCH resource for a scheduling request in a subframe, selecting, by the MAC entity of the wireless device, one of the primary PUCCH and the secondary PUCCH as a selected valid PUCCH resource for a scheduling request to transmit a scheduling request signal to the base station via the subframe;

    instructing a physical layer, by the MAC entity, to transmit the scheduling request signal on the selected valid PUCCH resource for the scheduling request via the subframe; and

    transmitting, by the physical layer to the base station, the scheduling request signal via the selected valid PUCCH resource of the subframe.

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