5G - Learn 5G NR like Pro (Air Interface - 33+ Hours)

Analyze 5g nr waveforms such as cp-ofdm and dft-s ofdm, scalable subcarrier spacing with numerology, and cyclic prefix concepts for uplink and downlink, multipath, mimo, and doppler effects.

Explore the 5g-nr timing unit, its relation to delta f max and fft size, and how subcarrier spacing, cyclic prefix, and slot formats shape latency and scheduling.

Learn how timing advance aligns uplink transmissions with in-orbit timing in 5g-nr, covering absolute and relative timing, 12-bit values, carrier offsets, rach and mac control elements, and uplink timing applications.

Explore 5g nr frequency bands fr1 and fr2, including phase one bands and 32 fr1 bands. Understand central frequency, channel rasters, guard bands, and how subcarrier spacing defines bandwidth.

Learn how 5G bandwidth parts split wide bandwidths into independent parts with different numerologies and subcarrier spacings, enabling flexible initial, active, and default bandwidth parts for uplink and downlink.

Learn massive MIMO and beamforming in 5G, comparing FR1 and mmWave FR2, and see how antenna arrays form and steer beams for multi-user capacity.

Understand beam management in nr networks, including massive mimo, beamforming, beam sweeping, and SSB acquisition with sounding reference signals. Explore 3D beamforming with 64-transmitter, 64-receiver arrays in FR1 and FR2.

Introduce 5g-nr channels, detailing logical, transport, and physical channels. Explore common and dedicated control channels, DRB/SRB mappings, and essential signals like DMRS, SRS, DCI, PDCCH, PUSCH, and PDSCH.

Explore 5G NR physical layer processing, from code block generation and scrambling to channel coding with polar and ldpc, rate matching, interleaving, and code block groups.

Explore how 5G-NR uses primary and secondary synchronization signals, search procedures, and synchronization signal blocks to detect cell IDs, decode master information blocks, and map beams.

Decode 5g nr pbch by pci-driven pbc DMRS; pbch carries master information block and L1 timing, including SFN, subcarrier spacing common, and initial bandwidth part details.

Explore how 5G NR PDCCH carries downlink control information and schedules uplink and downlink resources via DCI, employing aggregation levels, RTI masking, and beamforming considerations.

Explore 5G NR PDCCH core set concepts, including core set design across bandwidth parts, time and frequency domain placement, aggregation levels, search spaces, and DCI formats.

Explore how the PDSCH carries user data, its processing chain from transport blocks to LDPC coding, and how DMRS enables demodulation with type A/B configurations.

Explore the 5G NR random access channel (RACH) and uplink synchronization, detailing preamble generation, PRACH formats, message exchange (MSG1/MSG2), resource signaling, and bandwidth part configurations.

Explore the 5G NR random access channel procedures, including contention-based and contention-free preambles, RA messages, beam-based mapping, and uplink synchronization for initial access and handover scenarios.

master the nr physical uplink shared channel (pusch) and its role in carrying end user data and signaling, including mac layer control information and uplink processing.

Explore how the 5g nr uplink control channel pucch carries acks, scheduling requests, and csi reports (pmi, rank indicator) across five formats, with dmrs, resource blocks, and dynamic rc configuration.

Identify 5g nr reference signals, including dmrs, srs, and phase tracking signals, and their downlink and uplink roles, with synchronization signals and beam indices aiding coherent demodulation and channel estimation.

Learn how CSI-RS enables downlink channel state measurements in 5G NR, with UE-specific resources, periodic or semi-periodic reporting, and its role in beam management and mobility.

Explore sounding reference signal (SRS) and face tracking reference signal, including uplink channel estimation, codebook and non-codebook precoding, and how SRS guides resource allocation in 5G NR.

In 5g nr, this lecture explains face tracking reference signals with dmrs to estimate and compensate phase noise and frequency offset, covering density, trs allocation, and epe ratio.

Master essential Linux commands for testing, including navigation, networking, file management, and process tools such as grep, netstat, ssh, scp, tar, and top.

Use Spirent network emulator to simulate backhaul impairments, delay, jitter, and packet loss, between eNB and MME, via an SNI device to inject configurable latency.

Learn to use the tm500 ue simulator for enode b testing, including backhaul and fronthaul interfaces, and configure campaigns, mobility, and traffic profiles.

Explore the TM500 UE simulator for 5G, create campaigns and test cases, generate uplink and downlink traffic with Trivium, monitor protocol logs and L3 statistics, and convert logs into reports.

Learn end-to-end software testing in telecom and software development, covering sdlc and software testing life cycle, testing types and models like agile and waterfall, defect reporting, and automation testing.

Explore lab testing tools for 5g nr: programmable attenuators to simulate handovers and channel loss, and tm 500, vrsa, channel emulator, and Spirent and Keysight test gear.

Capture and analyze 5G NR and LTE logs across core network and air interface using tcpdump, wireshark, excap, qtm, and qcat on ISF files for post analysis.

Explore how to enable real-time logs and graphical views in QXDM across LTE, Wcdma, and UMTS, demonstrate RRC, ML1, and RLC graphs, and save configurations.

Explore how the MediaTek ELT tool captures and analyzes air interface logs, guiding installation, device setup, and log saving for end-to-end debugging in 5G NR testing.