requency Division Duplexing Forward Error Correction Fast Fourier Transform fronthaul bandwidth Forwarding Information Base Fault Management Freedom of Mobile Multimedia Access free and open source software field programmable gate array Frame Replication and Elimination for Reliability fast reroute Free Software Foundation free space propagation formula Fixed Satellite Services General Authorized Access geostationary orbit Gateway GPRS Support Node gNB-CU gNB central unit gNB-CU-UP centralized user-plane node gNB-DU gNB distributed unit Global Navigation Satellite System Grade of Service Guard Period General Public License GNU General Public License gigabit passive optical network general purpose compute General Packet Radio System graphic processing unit Global mobile Suppliers Association GSM Association GPRS Tunneling Protocol GTP-U GPRS Tunneling Protocol User Plane GUAMI Globally Unique AMF ID High Altitude Platforms Hybrid ARQ high elliptical orbit HetNet heterogeneous network Hyper Frame Number HPLMN Home Public Land Mobile Network Home Subscriber Server Acronyms and Abbreviations In-phase & Quadrature Integrated Access-Backhaul Information Element Institute of Electrical and Electronics Engineers interspersing express traffic Internet Engineering Task Force inverse FFT Industrial Internet of Things IP multimedia subsystem IMT-2020 International Mobile Telecommunications-2020 Information Object Class Internet of Things intellectual property rights Industry Specification Group Intelligent Transport Systems International Telecommunication Union ITU-R ITU Radiocommunication Sector ITU-T International Telecommunication Union Telecommunication Standardization Sector Interworking Function JavaScript Object Notation Kubernetes Key Performance Indicators key quality indicator L1-RSRP Layer 1 reference signal received power L3VPN Layer 3 VPN licensed assisted access link aggregation Listen-Before-Talk Life Cycle Management Low Density Parity Check low -earth orbit Loop Free Alternates logical link control Lower-Lay