Content for TR 38.804 Word version: 14.0.0
2 References
3 Definitions and abbreviations
4 Deployment scenarios and guidelines
5 Overall system architecture
6 ARQ and HARQ
7 Scheduling
8 QoS control
9 Initial access
10 Mobility
11 Security
12 UE power saving
13 RAN support of Network Slicing
14 E-UTRA with NextGen Core
15 Specification methodology
A Agreements
B Summary of Layer 2 functional changes from LTE
C Background and evaluation results on on-demand SI provisioning
D Comparison results on bearer types for LTE-NR Dual Connectivity
E Study results on two-step Random Access procedure
F Network control mobility
G Small UL data transmission in RRC_INACTIVE
$ Change history
2 References
3 Definitions and abbreviations Word‑p. 8
4 Deployment scenarios and guidelines
4.1 Deployment scenarios Word‑p. 9
4.1.1 Cell layout
4.1.2 CN-RAN connection
4.1.2.1 NR gNB as a master node
4.1.2.2 LTE eNB as a master node Word‑p. 10
4.1.2.3 eNB connected to NextGen Core as a master node
4.1.2.4 Inter-RAT mobility Word‑p. 11
4.1.3 WLAN integration
4.2 Guidelines Word‑p. 12
5 Overall system architecture Word‑p. 13
5.1 Functional split Word‑p. 14
5.2 Radio interface protocol architecture Word‑p. 15
5.2.1 User plane Word‑p. 16
5.2.1.1 User plane protocol stack for NR
5.2.1.2 Bearer types for Dual Connectivity between LTE and NR
5.2.2 Control plane Word‑p. 17
5.3 Physical Layer Word‑p. 20
5.3.1 General description
5.3.2 Key DL concepts
5.3.3 Key UL concepts
5.3.4 Beam management
5.3.5 Channel structure Word‑p. 21
5.4 Layer 2
5.4.1 Overview of Layer 2 functions
5.4.2 MAC Sublayer Word‑p. 24
5.4.3 RLC Sublayer
5.4.4 PDCP Sublayer
5.4.5 New AS Sublayer Word‑p. 25
5.4.6 Overview of Layer 2 data flow
5.4.7 Numerologies and TTI durations Word‑p. 26
5.5 RRC
6 ARQ and HARQ
7 Scheduling
8 QoS control Word‑p. 32
8.1 QoS architecture in NR and NextGen Core
8.2 Dual Connectivity between LTE and NR via EPC Word‑p. 33
9 Initial access
9.1 Cell selection
9.2 Random Access Procedure Word‑p. 34
10 Mobility Word‑p. 35
10.1 Intra NR
10.2 Inter RAT Word‑p. 37
10.3 Dual Connectivity between LTE and NR Word‑p. 39
11 Security
12 UE power saving Word‑p. 40
13 RAN support of Network Slicing
14 E-UTRA with NextGen Core
15 Specification methodology Word‑p. 41
A Agreements Word‑p. 42
A.1 General aspects
A.2 User plane aspects
A.3 RRC Word‑p. 43
A.4 Intra-NR mobility and measurements
B Summary of Layer 2 functional changes from LTE Word‑p. 44
B.1 Rationale behind out-of-order delivery of complete PDCP PDUs after RLC SDU reassembly
B.2 Rationale behind concatenation in MAC and MAC sub-header interleaving Word‑p. 45
C Background and evaluation results on on-demand SI provisioning
D Comparison results on bearer types for LTE-NR Dual Connectivity Word‑p. 51
E Study results on two-step Random Access procedure Word‑p. 53
F Network control mobility Word‑p. 55
G Small UL data transmission in RRC_INACTIVE
$ Change history Word‑p. 57
