NG-RAN Overview – 2 Days
Intended Audience: Telecom Engineers or anyone interested in 5G NG-RAN
Delivery Method: Live slides and Active Learning Methodology
Prerequisites: 5G System Overview
Source: 3GPP, IETF, GSMA, ETSI, etc
5G System Architecture
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5G System introduction
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Overall Architecture of NG-RAN
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NG-RAN Identities
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Network Interfaces (NG, Xn)
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Radio Protocol Architecture (CP, UP)
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MR-DC (Multi-Radio Dual Connectivity)
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Non-Stand Alone(NSA) vs Stand-Alone (SA)
New Radio (NR) Fundamentals
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OFDM Basics
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NR frequency bands
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OFDM Numerologies for NR
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Waveform and Frame Structure
NG and Xn Reference Points
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NGAP Protocol Overview
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XnAP Protocol Overview
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Elementary Procedures and Traffic Cases
NG-RAN Architecture
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gNB-DU, gNB-CU and F1 (F1-C, F1-U)
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F1AP Protocol Overview
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Separation of gNB-CU and E1
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E1 Protocol Overview
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IAB Architecture (Integrated Access and Backhaul)
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Traffic Cases (Overall Procedures)
RRC (L3)
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RRC Services and Functions
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RRC States (Idle, Connected and Inactive)
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System Information Handling
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Transport of NAS Messages
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RRC Elementary Procedures
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RNA (Ran Notification Area)
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RAN Based Paging
Mobility (Intra-NR)
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RRC Protocol Structure
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RRC States: Idle, Connected, Inactive
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RRC Elementary Procedures
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RAN Notification Areas
C-RAN – Centralized RAN
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Mobility in Idle State
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Mobility in Connected State
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Mobility in Inactive State
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Traffic Cases
QoS
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5G Architecture
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QoS Flows
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5QI, ARP
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GBR QoS Flow: MFBR, GFBR
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Non-GBR QoS Flow: RQA, RQoS
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Traffic Cases
MAC, RLC, PDCP and SDAP (L2)
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Protocol Overview of sublayers
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L2 Data Flow Example
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Carrier Aggregation -CA
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Dual Connectivity - DC
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Supplementary Uplink – SUL
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Bandwidth Adaptation - BA