This course provides a detailed technical description of the 5G Air Interface. It covers MIMO, mm Waves, the architecture and implementation of the air interface’s physical layer, the higher layer air interface protocols, and the signaling procedures for idle and active 5G devices.

EXPECTED ACCOMPLISHMENTS

• Step through 5G standardization, use cases and KPIs
• Step through the 5G Radio spectrum and millimeter wave communications
• Examine the principles and implementation of multiple antennas in 5G
• Illustrate the architecture of the air interface physical layer
• Detail the implementation of the 5G physical, transport and logical channels
• Step through the air interface procedures for synchronization, scheduling, data transmission, feedback and random
• Outline the dual connectivity architecture and protocol stacks
• Examine the protocols in layer 2 of the air interface: MAC, RLC, PDCP and SDAP
• Step through the RRC signaling procedures in Idle, Inactive and Connected mode

TARGET AUDIENCE

Managers, Engineers, and Technicians involved in the planning, deployment and maintenance of mobile networks.

COURSE DETAILS

Introduction

• Evolution to 5G
• 3GPP Use Cases
• Performance Targets for 5G
• 3GPP specifications for 5G New Radio
• Multi-RAT Dual Connectivity (MR-DC)
• Air interface protocol stack

5G New Radio Principles

• Regulatory assignments of 5G spectrum
• FDD and TDD modes
• mmWaves properties
• mmWave antenna arrays
• OFDMA principles
• IFFT and FFT operation
• SU-MIMO and MU-MIMO
• Power consumption
• Reference signals, antenna ports and antennas
• Digital, analogue and hybrid beamforming
• Massive MIMO

5G Physical Layer

• Physical layer architecture
• 5G bands and CA
• OFDMA numerologies
• Resource blocks, resource elements
• Estimating the reference frequency
• NR-ARFCN
• Bandwidth parts
• Frame structure
• Slot format and resource grids
• Resource mapping in 5G
• Physical channels

Physical Layer Implementation and Procedures

• Synchronization procedures
• Scheduling and data transmission
• DCI formats
• RNTI and CORESETs
• PDCCH and PUCCH
• PDSCH and PUSCH
• Modulation and coding schemes
• Demodulation reference signals
• Maximum UE data rate
• HARQ
• PRACH formats, configuration and procedures
• Power control
• Sounding
• BW part operation and slot configuration

Higher layer Protocols

• Air interface protocol stack
• Signaling radio bearers
• Logical and transport channels
• MAC
• RLC
• PDCP
• SDAP
• MR-DC protocol stacks

Signaling Procedures

• RRC signaling protocols
• RRC signaling in the NSA mode
• System information
• RRC reconfiguration
• Measurement reporting
• MR-DC procedures