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TS 38.323  RAN2 ★
5G New Radio —
Packet Data Convergence Protocol (PDCP) specification

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V16.0.0 (Wzip)  2020/03  37 p.
V15.6.0 (PDF)  2019/06  29 p.
WI Acronym:  NR_newRAT-Core
Rapporteur:  Mr. Yi, SeungJune  LG Electronics Inc. 
The present document provides the description of the Packet Data Convergence Protocol (PDCP).

full Table of Contents for  TS 38.323  Word version:   15.6.0

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1  Scope  Word-p. 6
2  References
3  Definitions and abbreviations
3.1  Definitions
3.2  Abbreviations  Word-p. 7
4  General
4.1  Introduction
4.2  Architecture
4.2.1  PDCP structure
4.2.2  PDCP entities  Word-p. 8
4.3  Services  Word-p. 9
4.3.1  Services provided to upper layers
4.3.2  Services expected from lower layers
4.4  Functions  Word-p. 10
5  Procedures
5.1  PDCP entity handling
5.1.1  PDCP entity establishment
5.1.2  PDCP entity re-establishment
5.1.3  PDCP entity release  Word-p. 11
5.1.4  PDCP entity suspend  Word-p. 12
5.2  Data transfer  Up
5.2.1  Transmit operation
5.2.2  Receive operation  Word-p. 13
5.2.2.1  Actions when a PDCP Data PDU is received from lower layers
5.2.2.2  Actions when a t-Reordering expires  Word-p. 14
5.2.2.3  Actions when the value of t-Reordering is reconfigured
5.3  SDU discard  Word-p. 15
5.4  Status reporting
5.4.1  Transmit operation
5.4.2  Receive operation
5.5  Data recovery  Up
5.6  Data volume calculation  Word-p. 16
5.7  Header compression and decompression
5.7.1  Supported header compression protocols and profiles
5.7.2  Configuration of header compression  Word-p. 17
5.7.3  Protocol parameters
5.7.4  Header compression
5.7.5  Header decompression  Word-p. 18
5.7.6  PDCP Control PDU for interspersed ROHC feedback
5.7.6.1  Transmit Operation
5.7.6.2  Receive Operation  Up
5.8  Ciphering and deciphering
5.9  Integrity protection and verification  Word-p. 19
5.10  Handling of unknown, unforeseen, and erroneous protocol data
5.11  PDCP duplication
5.11.1  Activation/Deactivation of PDCP duplication
5.11.2  Duplicate PDU discard  Word-p. 20
6  Protocol data units, formats, and parameters
6.1  Protocol data units
6.1.1  Data PDU
6.1.2  Control PDU  Up
6.2  Formats
6.2.1  General
6.2.2  Data PDU
6.2.2.1  Data PDU for SRBs
6.2.2.2  Data PDU for DRBs with 12 bits PDCP SN  Word-p. 21
6.2.2.3  Data PDU for DRBs with 18 bits PDCP SN
6.2.3  Control PDU  Word-p. 22
6.2.3.1  Control PDU for PDCP status report
6.2.3.2  Control PDU for interspersed ROHC feedback
6.3  Parameters  Word-p. 23
6.3.1  General
6.3.2  PDCP SN
6.3.3  Data
6.3.4  MAC-I
6.3.5  COUNT
6.3.6  R  Word-p. 24
6.3.7  D/C
6.3.8  PDU type
6.3.9  FMC
6.3.10  Bitmap  Up
6.3.11  Interspersed ROHC feedback  Word-p. 25
7  State variables, constants, and timers
7.1  State variables
7.2  Constants
7.3  Timers
A  Change history  Word-p. 26

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