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Configuration of cell groups in wireless communication devices

  • US 9,681,399 B2
  • Filed: 07/04/2016
  • Issued: 06/13/2017
  • Est. Priority Date: 04/20/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a wireless device, at least one message comprising configuration parameters of a plurality of cells grouped into a plurality of cell groups;

    transmitting, via a first cell of the plurality of cells, a first sounding reference signal (SRS) overlapping in time with a transmission, via a second cell of the plurality of cells, of a first packet, wherein the first cell and the second cell are different cells of a same cell group of the plurality of cell groups; and

    dropping a configured transmission of a second SRS via the first cell if the configured transmission of the second SRS is configured to be transmitted in parallel with a preamble via the second cell, wherein the wireless device has sufficient power to transmit the configured transmission of the second SRS in parallel with the preamble.

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