5G Flashcards: 700 Standards-Aligned Concepts with SM-2 Spaced Repetition
Telecommunications engineering specifications span thousands of 3GPP pages filled with dense acronyms, mathematical channel parameters, and intricate protocol state machines. The 5G6GTech flashcard deck condenses this vast knowledge base into bite-sized, rigorous flashcards optimized for long-term retention through scientifically proven spaced repetition.
5G Curriculum Flashcard Clusters
The 700 flashcards are organized into five core technical domains directly aligned with 3GPP specifications:
Radio Access Network (RAN)
gNodeB architecture, CU/DU split, O-RAN 7.2x fronthaul, Massive MIMO, digital/analog beamforming, SSB beam sweeping, RACH procedure, and BWP switching.
Core Network & SBA
5GC Service-Based Architecture, AMF, SMF, UPF, PCF, UDM, AUSF, NRF, NSSF, PDU session management, HTTP/2 REST APIs, and end-to-end network slicing.
Physical Layer & Spectrum
FR1 vs FR2 mmWave, flexible numerology, subcarrier spacing (15 to 240 kHz), CP-OFDM, DFT-s-OFDM, LDPC, Polar coding, and modulation up to 1024-QAM.
Security & Encryption
5G-AKA authentication, SUPI privacy protection with SUCI elliptic curve encryption, EAP-AKA', SEPP roaming security, and zero-trust transport.
5G-Advanced & Rel-18 Innovations
RedCap (Reduced Capability IoT), Non-Terrestrial Networks (NTN satellite direct-to-cell), AI-enabled beamforming, Network Energy Savings, and Sidelink V2X.
Active Recall & The SuperMemo SM-2 Engine
Reading documentation passively leads to the rapid forgetting curve. 5G6GTech leverages active recall testing:
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