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METHOD AND APPARATUS FOR TRANSMISSION USING PRECONFIGURED UPLINK RESOURCES IN A WIRELESS COMMUNICATION SYSTEM

  • US 20200137761A1
  • Filed: 12/16/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/31/2018
  • Status: Active Grant
First Claim
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1. A method of a User Equipment (UE), comprising:

  • receiving, from a network node, a configuration of Preconfigured Uplink Resources (PUR) including a first Radio Network Temporary Identifier (RNTI) when the UE is in RRC_CONNECTED state;

    determining to use the PUR for transmitting a first Radio Resource Control (RRC) message, or to initiate a Random Access (RA) procedure for transmitting the first RRC message based on whether the PUR is available or not;

    transmitting, using the PUR, the first RRC message when the UE is in RRC_IDLE or RRC_INACTIVE state;

    receiving, from the network node, a second RRC message in response to transmission of the first RRC message; and

    entering RRC_CONNECTED state and setting a Cell Radio Network Temporary Identifier (C-RNTI) to a value of the first RNTI, in response to reception of the second RRC message.

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