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METHOD AND APPARATUS FOR REDUCING OVERHEAD OF ETHERNET FRAME IN NEXT GENERATION MOBILE COMMUNICATION SYSTEM

  • US 20200137820A1
  • Filed: 10/30/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/30/2018
  • Status: Active Grant
First Claim
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1. A method performed by a terminal in a wireless communication system, the method comprising:

  • receiving, from a base station, a control message for resuming a radio resource control (RRC) connection, the control message including information requesting a re-establishment of a packet data convergence protocol (PDCP) entity;

    identifying whether at least one PDCP service data unit (SDU) associated with a PDCP sequence number (SN) is stored, based on the information;

    identifying, when the at least one PDCP SDU is stored, a first PDCP SDU from the at least one PDCP SDU, wherein a successful delivery of a corresponding PDCP protocol data unit (PDU) from a lower layer has not been confirmed for the first PDCP SDU;

    associating, from the first PDCP SDU, a count value to the at least one PDCP SDU; and

    transmitting, to the base station, the at least one PDCP SDU.

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