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Channel state information transmission in a wireless device and wireless network

  • US 10,447,367 B2
  • Filed: 03/15/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 03/16/2015
  • 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, the plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups comprising;

    a primary PUCCH group comprising a primary cell with a primary PUCCH transmitted to the base station; and

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

    receiving, in a first subframe, a media access control (MAC) command indicating deactivation of the PUCCH secondary cell; and

    stopping, in response to the deactivation of the PUCCH secondary cell, transmission of channel state information for a first secondary cell in the secondary PUCCH group in a second subframe that is eight subframes after the first subframe, wherein the first secondary cell is different from the PUCCH secondary cell and the stopping does not occur before the second subframe.

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