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Method and apparatus for configuration uplink and downlink carriers

  • US 10,536,331 B2
  • Filed: 12/28/2015
  • Issued: 01/14/2020
  • Est. Priority Date: 12/26/2014
  • Status: Active Grant
First Claim
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1. A method for configuring uplink and downlink carriers, comprising:

  • receiving, by a user equipment (UE), an uplink and downlink carrier configuration signaling, wherein the uplink and downlink carrier configuration signaling comprises association information of uplink and downlink carriers, timing reference information for the uplink, and pathloss reference cell information for an uplink; and

    determining, by the UE according to the uplink and downlink carrier configuration signaling, pairing between the uplink and downlink carriers, a timing reference downlink carrier for the uplink, and a pathloss reference cell for the uplink,wherein the association information of the uplink and downlink carriers comprises;

    association information of a primary downlink carrier and a primary uplink carrier or association information of a primary secondary downlink carrier and a primary secondary uplink carrier,wherein the association information of the uplink and downlink carriers is explicitly configured by higher layer signaling, andwherein the timing reference information for the uplink comprises;

    information of timing advance groups (TAGs) that the uplink and downlink carriers belong to, or information of the timing reference downlink carrier for the uplink.

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