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5G Topics

Dive into comprehensive 5G topics, covering network architecture, protocols, and optimization, tailored for job-seekers and corporate professionals. Enhance your skills and stay competitive in the fast-evolving 5G industry.

5G Technology Fundamentals

Explore the foundational elements of 5G technology, including network architecture, protocols, and key components, designed for both beginners and corporate professionals. Build a deep understanding of how 5G powers the next generation of connectivity and innovation.

5G Overview

  1. Evolution from LTE to 5G

  2. ITU and 3GPP usage scenarios

  3. 5G Performance Targets

  4. 5G Components

  5. 5G Network Architecture

  6. Networking Enhancements

  7. Radio Enhancements

  8. Standalone (SA) NR Deployment

  9. Non-StandAlone (NSA) NR option 3x

  10. Non-StandAlone (NSA) NR option 3

  11. Non-StandAlone (NSA) NR option 3a​

NG-RAN Architecture

  1. 5G Network Architecture

  2. Deployment and Architecture Scenarios

  3. NG-RAN and 5GC Architecture

  4. Multi-RAT Dual Connectivity with 4G EPC

  5. Functionality Split

  6. NR Air Interface Protocol Stack

  7. Evolving Functionality Split of RAN in 5G

  8. NG-RAN Interfaces and Protocols

  9. gNB-to-5GC Interfaces (N2 and N3)

  10. gNB-to-gNB Interfaces (Xn-C and Xn-U)

  11. gNB-CU-to-gNB-DU interfaces (F1-C and F1-U)

  12. Cloud-RAN

  13. Transport Connectivity for NG-RAN

  14. NG-RAN and UE Identifiers

New Radio (NR) Air Interface

  1. NR Air Interface Overview

  2. 5G Frequency Bands

  3. Using Massive MIMO

  4. What is Digital Beamforming

  5. What is Analog Beamforming

  6. Hybrid Beamforming using Massive MIMO

  7. Hybrid Beamforming in Action

  8. Air Interface Features for Beamforming

  9. Bandwidth Adaptations

  10. 5G-Orthogonal Frequency Division Multiplexing

  11. OFDMA in 5G

  12. Frame Structure Enhancements

  13. Orthogonal Subcarriers and Symbol Duration

  14. Numerology and Associated Parameters

  15. Numerology

  16. Slots, Mini-slots and Symbols

  17. 5G Downlink Signals and Physical Channels

  18. Downlink Channels and SS/PBCH Block

  19. SS/PBCH Block

  20. SS/PBCH Block Transmit Time/Repititions

  21. PDSCH Plus DM-RS

  22. CSI-RS

  23. 5G UL Signals and Physical Channels

  24. Uplink Channels and Signals 

  25. PUCCH Formats

  26. PRACH Formats

  27. Subcarrier Mapping in PRACH

  28. NR RRC States

  29. Dual RRC in MR-DC

  30. Air Interface Protocol Stack- User Plane

  31. Air Interface Protocol Stack- Control Plane

Network Acquisition, Random Access and Connection Setup

  1. Cell Search

  2. System Information

  3. Master Information Block (MIB)

  4. Cell Selection Summary

  5. Initial Cell Selection

  6. When is a Random Access Procedure used?

  7. Contention-Based Access

  8. RRC Signalling in SA and Non-SA modes

  9. RRC Connection Setup

Registration and Session Setup

  1. UE-CN Interactions: LTE vs 5G

  2. Overview of Network Slicing

  3. QoS Implementation: LTE vs 5G

  4. 5G QoS Parameters

  5. 5QI: A Closer Look

  6. 5QI Table: Selected Entries

  7. Registration 

  8. PDU Session Setup

Downlink and Uplink Data Transmission

  1. Data Transfer using NR Air Interface

  2. Detecting a 5G NR Cell (Option 3x)

  3. Addition of Secondary gNB (Option 3x)

  4. Frame Structure in 5G

  5. Slot Formats

   6. Downlink Data Transfer

  • Overview of Downlink Data Transfer

  • Uplink Sounding Reference Signal

  • Downlink Signals for Measurements

  • Reporting of Downlink Channel Conditions

  • Downlink Scheduler

  • Specifying Downlink Resource Allocation

  • Downlink Resources

  • PDSCH Transmission

  • Downlink HARQ Feedback

   7. Uplink Data Transfer

  • Downlink and Uplink Data Transmission: Similarity

  • Uplink Data Transmission: Overview

  • Prior to the Uplink Data Transfer

  • Uplink Scheduler

  • Specifying Uplink Resource Allocation

  • PUSCH Transmission

  • HARQ Feedback for Uplink Data Transmission

   8. Radio Link Failures: Detection and Recovery

Operations in Active, Idle and Inactive States

  1. Beam-Level Mobility vs Cell-Level Mobility

  2. Overview of Inter-gNB Cell-Level Mobility

  3. Focusing on Handover Measurements

  4. Focusing on Measurement Reporting

  5. Handover Events in 5G

  6. Intra-SgNB Mobility for EN-DC

  7. Inter-DU Intra-CU Mobility (Intra-NR)

  8. Inter-Cell Intra-DU Mobility (Intra-NR)

  9. Handover through MeNB for EN-DC

  10. UE States in 5G

  11. TA and RNA in 5G

  12. What is Idle Mode (CM-Idle and RRC-Idle) and Why?

  13. Idle Mode Activities

  14. What is RRC-Inactive Mode and Why?

  15. RRC-Inactive Mode Activities

  16. Paging for Idle UE

  17. RAN Paging for RRC_INACTIVE Mode UE

  18. RNA Update

  19. Cell-Reselection: Intra-Frequency

5G Protocol Fundamentals

Build a strong foundation in 5G protocols and testing techniques to excel in the rapidly growing field of mobile network protocol testing. Learn key concepts, industry standards, and hands-on skills essential for testing and validating 5G networks.

Fundamentals

 1. Introduction

 2. Use Cases​

 a. Enhanced Mobile Broadband (eMBB)                         

 b. Massive Machine Type Communications (mMTC)               

 c. Ultra Reliable and Low latency Communications (URLLC)    

 d. Vehicle to Everything (VX)

 3. Requirements

 4. Network Architecture

 a. Reference Point System Architecture                     

 b. Service Based System Architecture

 c. Network function           

 5. Base Station Architectures

 a. Standalone Base station                                  
b. Non-Standalone Base station                               
c. CU-DU Split Base station                                  
d. CP-UP Separation                                          
e. Antenna Architectures                                     
  f. Base station classes                                      
6. Interfaces

 a. Xn lnterface                                              
b. F1 lnterface                                                                                                                    c.   c. E1 lnterface                                              
d. NG lnterface                                              
e. X2 lnterface                                              
7. Protocol Stacks

 a. User Plane

 b. Control Plane

 8. RRC States

 a. RRC Idle                                                                                                                               b. RRC Connected                                             
c. RRC Inactive                                              
9. Registration Management

10. Connection Management                                      
11. Access Control                                                                                                                12. Signalling Radio Bearers                                   
13. PDU Sessions                                                                                                                  14. Quality Of Service                                         
15. Network Slicing                                            
16. Edge Computing                                                                                                              17. Mico Mode                                                                                                                        18. UE Capabilities                                                                                                                19. Spectrum                                                                                                                           a. Duplex Modes

 b. Operating Bands

 c. Band Combinations

 d. Millimeter Wave Propogation                                        

20. MIMO

21. Beamforming

22. 3GPP Specifications

Air Interface

 1. Numerology

 2. Radio Frames and Slots

 3. Resource Blocks and Bandwidth Parts

 a. Common Resource Blocks  
b. Bandwidth Parts
c. Physical Resource Blocks  
d. Virtual Resource Blocks  
4. Channel Bandwidths

 5. Frequency Raster

 a. Channel Raster
b. Synchronisation Raster
6. Antenna Ports and Quasi Co-location

 7. Modulation

 8. Cyclic Prefix

 9. Waveform

 a. CP-OFDM

 b. DFT-S-OFDM

10. Transmitter and Receiver Chain

Downlink Signals and Channels

 1. Downlink Channel Mappings

 2. Synchronization Signals

 3. Physical Broadcast Channel

 4. SS/PBCH Blocks and Bursts

 5. Physical Downlink Control Channel

 a. Control Resource Set (Coreset)  
b. Search Space Sets  
c. Search Space Set (SIB 1)   
d. DCI Format 0_0   
e. DCI Format 0_1   
f. DCI Format 1_0     
g. DCI Format 1_1   
h. DCI Format 2_0
i. DCI Format 2_2   
j. DCI Format 2_3   

 6. Physical Downlink Shared Channel

 a. Modulation And Coding Scheme  
b. Transport Block Size  
c. Physical Layer Processing  
d. Resource Allocations  
e. Resource Block Bundling  
f. Pre-Emption  
g. Reserved Resources  
h. Repetition  
 7. Reference Signals

 a. Demodulation Reference Signal for PBCH
b. Demodulation Reference Signal for PDCCH
c. Demodulation Reference Signal for PDSCH
d. Channel State Information Reference Signal  
e. Tracking Reference Signal   
  f. Phase Tracking Reference Signal  
 

Downlink Transmission Schemes

 1. PBCH

 2. PDCCH

 3. PDSCH

 a. Open Loop MIMO  
b. Semi-Open Loop MIMO  
c. Closed Loop MIMO  
d. Multi-User MIMO  
e. Reciprocity Based  
  f. Multiple TRP  
 

Flow of Downlink Data

 1. SDAP Layer

 2. PDCP Layer

 3. RLC Layer

 a. Transparent Mode  
  b. Unacknowledged Mode  
  c. Acknowledged Mode  
4. MAC Layer

System Information

  1. Master Information Block

  2. System Information Block 1

  3. System Information Block 2

  4. System Information Block 3

  5. System Information Block 4

  6. System Information Block 5

  7. System Information Block 6

  8. System Information Block 7

  9. System Information Block 8

  10. System Information Block 9

Uplink Signals and Channels

 1. Uplink Channel Mappings

 2. Physical Random Access Channel

 a. Background  
b. PRACH Generation  
c. Long Sequence PRAC Formats  
d. Short Sequence PRACH Formats  
 3. Physical Uplink Control Channel

 a. PUCCH Format 0

 b. PUCCH Format 1

 c. PUCCH Format 2

 d. PUCCH Format 3

 e. PUCCH Format 4

 f. PUCCH Repitition

 4. Physical Uplink Shared Channel

 a. Modulation And Coding Scheme  
b. Transport Block Size  
c. Physical Layer Processing   
d. Resource Allocations  
 5. Uplink Reference Signal

 a. Demodulation Reference Signal For PUSCH
b. Demodulation Reference Slgnal For PUCCH  
c. Sounding Reference Signal  
d. Phase Tracking Reperence Signal  
 

Uplink Transmission Schemes

 1. Codebook Based Transmission

 2. Non-codebook Based Transmission

Beam Management

 1. Initial Acquisition

 2. Downlink Beam Refinement

 3. Uplink Beam Refinement

 4. Mobility

 5. PMI Beam Selection

 6. Beam Failure and Recovery

UE Measurements

 1. SS-RSRP

 2. SS-RSRQ

 3. SS-SINR

 4. CSI-RSRP

 5. CSI-RSRQ

 6. CSI-SINR

 7. SFN and Frame Timing Difference

 8. Other Measurements

Measurement Reporting

 1. Cell Level Results

 2. Layer 3 Filtering

 3. Event A1

 4. Event A2

 5. Event A3

 6. Event A4

 7. Event A5

 8. Event A6

 9. Event B1

10. Event B2

Idle Mode Procedures

 1. PLMN Selection

 2. Cell Selection

 3. Cell Reselection

 a.  Absolute Priorities  
b. Triggering Measurements  
c. Mobility States
d. Reselection  
 4. Paging

 a. Procedure

 b. Occasions

Physical and MAC Layer Procedures

 1. Random Access

 a. Contention Based  
b. Contention Free  
c. Prioritised Random Access  
 2. Timing Advance

 3. Uplink Power Control

 a. PUSCH

 b. PUCCH

 c. SRS

 d. UE Power Class

 e. Multiple Uplink Carriers

 4. Downlink Power Control

 5. HARQ

 a. Downlink HARQ

 b. Uplink HARQ

 6. Channel State Reporting

 a. Channel Quality Indicator   
b. Rank Indicator  
c. Precodtng Matrix Indicator  
d. Layer Indicator

 e. SSBRI, CRI AND LI-RSRP  

 7. Uplink Resource Request

 a. Scheduling Request  
b. Buffer Status Reporting  
 8. Power Headroom Reporting

 9. Radio Link Monitoring

 a. Beam Failure

 b. Radio Link Failure

10. Discontinuous Reception

Voice Services

 1. Voice Over Radio

 2. EPS Fallback

 3. RAT Fallback

Signalling Procedures

 1. LTE RRC Idle Mode

 2. EN-DC Secondary Cell Addition

 3. RRC Connection Setup

 4. Initial Context Setup

 5. Xn Based Handover

 6. RRC Connection Release

Radio Network Planning

 1. Operation Band

 2. NR-ARFCN & GSCN

 3. Slot Format

 4. Antenna Solution

 5. Downlink Transmit Power

 6. PCI Allocation

 7. Cyclic Prefix

 8. CSI Reference Signal

 9. Phase Tracking Reference Signal

10. PRACH Planning

 a. PRACH Format  
b. PRACH Configuration Index  
c. Zero Correlation Zone  
d. Hlgh Speed Flag            
e. Root Sequence Index  
f. PRACH Frequency Offset  

11. Neighbor Planning

12. Cell and BTS Identity Planning

13. RAN Notification Area Planning

14. Tracking Area Planning

15. Throughput Expectations

 a. Downlink

 b. Uplink

Dynamic Spectrum Sharing

​​

UE Identities

 1. IMSI

 2. IMEI

 3. SUPI & SUCI

 4. 5G-GUTI

 5. 5G-S-TMSI

 6. RNTI

 7. I-RNTI

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