entangledphy — PHY Knowledge Hub https://entangledphy.com PHY layer knowledge base covering 5G/6G, quantum communications, ML for wireless, NTN, and ISAC. en 5G NR PHY Calculators — Interactive RF & PHY Tools https://entangledphy.com/notebooks/phycalcInteract.html Interactive calculator suite for 5G NR PHY — link budget, PRACH root sequences, cell throughput, power control, NTN Doppler, and more. https://entangledphy.com/notebooks/phycalcInteract.html O-RAN FH Timing Window Diagram — WG4 CUS v08.00 https://entangledphy.com/notebooks/oranInteractWin.html Interactive O-RAN fronthaul timing diagram — Ta3/Ta4/T1a/T2a windows, slot numerology, and practical calibration for RU/DU deployments. https://entangledphy.com/notebooks/oranInteractWin.html 5G NR Interactive PHY Simulator — Full DL/UL Chain https://entangledphy.com/notebooks/5g_interactive.html Interactive 5G NR PHY simulator — full DL/UL chain from DU TX through O-RAN fronthaul to UE RX. 100 MHz / 30 kHz SCS / 132 PRBs / 32TRX / 16 layers. https://entangledphy.com/notebooks/5g_interactive.html 5G NR Beamforming — 3GPP Complete Reference https://entangledphy.com/notebooks/3gpp_beamf.html Full 3GPP beamforming reference — codebook design, CSI-RS, beam management, Type I/II, massive MIMO, analog/digital/hybrid beamforming in NR. https://entangledphy.com/notebooks/3gpp_beamf.html 3GPP AI/ML for 6G — Use Cases, Architecture & Standardization https://entangledphy.com/notebooks/3gpp_ml_6g.html Deep dive into 3GPP AI/ML standardization for 6G — air interface use cases, network architecture, and the path to AI-native wireless. https://entangledphy.com/notebooks/3gpp_ml_6g.html 5G NR PHY — TS 38.211/212/213/214 Explained https://entangledphy.com/notebooks/3gpp_38x_explain.html Complete walkthrough of the core 5G NR PHY layer specs — physical channels, channel coding, control procedures, and data procedures. https://entangledphy.com/notebooks/3gpp_38x_explain.html 5G Channel Models — TR 38.901 Explained https://entangledphy.com/notebooks/5gchannelmodelexplain.html Deep dive into 3GPP TR 38.901 — CDL/TDL models, spatial consistency, massive MIMO channel modeling. https://entangledphy.com/notebooks/5gchannelmodelexplain.html 5G NR PHY Initial Power Control — Complete Reference https://entangledphy.com/notebooks/phyinitpower.html Complete reference for MSG1/MSG3/PUCCH power control — 3GPP TS 38.213/38.321. https://entangledphy.com/notebooks/phyinitpower.html OFDM Basics — DFT/FFT through 4G/5G/6G Waveforms https://entangledphy.com/notebooks/ofdm_basics.html Interactive notebook covering OFDM fundamentals — 11 sections from DFT/FFT to modern 4G/5G/6G waveform design with 21 charts. https://entangledphy.com/notebooks/ofdm_basics.html ISAC OFDM Notebook v2 — Integrated Sensing & Communications https://entangledphy.com/notebooks/ofdm_isac_study.html OFDM-based ISAC analysis — joint radar-comms waveform design, sensing-comms tradeoffs, PHY analysis. https://entangledphy.com/notebooks/ofdm_isac_study.html