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Method and apparatus for terminal self-reselecting resource based on priority in wireless communication system

  • US 10,568,115 B2
  • Filed: 07/01/2019
  • Issued: 02/18/2020
  • Est. Priority Date: 09/30/2016
  • Status: Active Grant
First Claim
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1. A method performed by a media access control (MAC) entity of a user equipment (UE) in a wireless communication system, the method comprising:

  • based on the MAC entity being configured by an upper layer to transmit using a pool of resources, creating a configured sidelink grant that corresponds to transmissions of multiple MAC protocol data units (PDUs);

    determining that there is data for a vehicle-to-everything (V2X) communication in a sidelink traffic channel (STCH) associated with the configured sidelink grant;

    determining that first sidelink resources of the STCH associated with the configured sidelink grant do not fulfill a latency requirement for transmitting the data in the V2X communication according to a ProSe per-packet priority (PPPP);

    selecting, from among the pool of resources, second sidelink resources for the transmissions of the multiple MAC PDUs based on determining that the first sidelink resources of the STCH do not fulfill the latency requirement; and

    transmitting the multiple MAC PDUs using the second sidelink resources.

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