5G NR Protocol Testing Course

Explore what 3GPP is, its role in developing specifications for 2G to 5G, and how its radio access, core network, and service capabilities shape globally accepted telecom standards.

Explore the evolution of 5G NR through release 15 to 19, including 5G advanced release 18, and how device and network support align with each release.

Explore release 15 to 19 features of 5G: service-based architecture, V2X, IoT, slicing, AI/ML in release 18, NTN, satellite backhaul, edge computing, XR and metaverse.

Explore 5g modes nsa and sa and eight deployment options, combining epc or ngc with e-utran or nr radio for network architectures.

Explore NSA mode in 5G, a non-standalone setup that uses 5G radio and air interface with LTE core network, no 5G core network, enabling faster deployment and smoother LTE-to-5G migration.

Explore NSA 5G deployment options, including 3x and 7x/NDC and ngc/apc configurations, comparing data paths, signaling, and master–secondary node b architectures.

Present standalone 5G sa mode where nr connects to the 5G core network with 5G air interface, Ng and Xn interfaces, enabling low latency, network slicing, edge computing, and security.

This lecture outlines four sa deployment options in 5G: standalone LTE with EPC, standalone NR with NGC, standalone E-UTRA with NGC, and standalone NR with EPC.

Understand the 5g system—the union of user equipment, nr access, and the 5g core network—enabling data services through nfv, sdn, and service-based interactions.

Explain the 5g overall architecture, detailing g node B and ng e node B, their axon and xn interfaces, and amf, upf, and the 5g core.

Learn how 5G system architecture represents network functions with service based architecture and a bus interconnecting AMF, SMF, and UDM. Compare it to the reference point representation using point-to-point interfaces.

Examine 5g service-based architecture by detailing each network function’s functionality and services, including Amf, Smf, Upf, Pcf, Udm, Af, Scp, Nrf, Ecf, Srf and Psf.

Explore the AMF's functions and services, including registration, mobility, connection, reachability management, NAS ciphering and integrity, lawful intercept, and SMS transport via the Namf interface.

Discover SMF session management and UPF roles in 5G, including PDU session handling, IP address allocation, policy control via PCF, and traffic steering.

Explore how the policy control function enforces QoS and roaming policies using UDR data. See how UDM, AF, SCP, and AUSF support authentication and session management.

Explore how 5G network functions enable slice management: NSSF selects slices, NEF exposes capabilities, NRF handles discovery and profiles, and NSSAAF secures slice authentication and authorization.

Explore 5G interfaces xn and ng, their control and user planes, with xnap and gtp-u, and summarize soupy, Susie, and goatee identifiers.

Define 5G channels and distinguish logical, transport, and physical channels; explain how downlink and uplink mappings route information, paging, and signaling through DCH, PCH, and RACH.

Understand 5g nr logical, transport, and physical channels, including broadcast, paging, and common and dedicated control channels, and uplink and downlink transport and physical channels like downlink shared channel.

Delve into the 5G NR protocol stacks, exploring the control plane with RRC and NAS signaling between UE, gNB, and AMF, and the user plane with SDAP, PDCP, and UPF.

Explore the 5g nas layer protocol and its role in signaling between g node b, amf, and smf, covering mobility management, session management, security, and interworking.

Explore 5g nr rrc protocol, signaling between g node b and the access stratum, srbs, and rrc messages such as setup, reconfiguration, and security.

Explore how the SDAP layer handles quality of service. Map QoS flows to DRBs for per-PDU-session user traffic in 5G NR.

Explore the 5g physical layer fundamentals: frame structure, numerology mu, subcarrier spacing, and how mu governs symbols and slots. Understand bandwidth parts and control resource set usage.

Compare traditional RAN with open RAN, highlighting multi-vendor RU, ODU, and OCU; discuss lo-fi and hi-fi layers, RRC and SDB with Pdcp, and signaling interfaces F1, X2, E1, NAP.

Explore four ng-ran signaling protocols—ng-ap, xn-ap, f1-ap, and e1-ap—and their procedures, message exchanges, and roles in handover and core signaling between gNodeB, cu/du, and the core.

Learn how 5g Gqf and PTCRB device certification unfolds, from test case prioritization and ttcn three code creation to independent labs, simulators, and market certification in Europe and North America.

Explains how to capture and analyze 5G and 4G logs using chipset-specific tools. Covers MediaTek MTK logger and ELT, Qualcomm Qdm and Shcat, and SPD logger.

Learn how to flash 4G/5G devices using Qualcomm's flash image loader (qfil) and MediaTek's SP Flash Tool, including port setup, loading build files, and flashing to verify success.

Explore the 5g nsa registration call flow, detailing lte attach, dual connectivity with 5g nr, rrc reconfiguration, plm info list release 15, nas attach request, authentication, and security.

Demonstrates the 5g nr nsa registration call flow part 2, detailing activate default bearer, initial context setup, capability exchange, mrdc, security, rrc reconfiguration, and data flow.

Explains the 5g nr registration call flow part 3, including measurement reports from sg node b to master node b, and rrc reconfiguration for dual connectivity, x2 addition.

Explore the 5G SA registration call flow from RRC connection setup to data transfer, covering NAS security, UDMH subscription data, PCF policy, AMF events, random access, and UPF signaling.

Demonstrate the 5g sa registration call flow, from new amf authentication with ausf and udm to pdu session setup with smf, upf, and gnodeb, including nas security and rrc procedures.