tion Network (C-RAN) 261-263 (NFV) 257-259 multi-beaming scenario 101 advantages 258 Multi-Layer Security (MLS) 286 Network Function Repository Multimedia Broadcast Single Frequency Function (NRF) 289 Network (MBSFN) 88 Network Functions (NFs) 19,53,230 Multiple-Input Multiple-Output Network Functions Virtualization (MIMO) 74, 201 Infrastructure (NFVI) 284 antennas 74 Network Function Virtualization (NFV) 279 multiplexing numerologies network operations center (NOC) 371 use cases 85 network orchestration 375 Multi-Radio Access Technology Dual automatic failure recovery 377 Connectivity (MR-DC) 198 auto scale-in and scale-out 376, 377 Multi-User Multiple Input Multiple congestion control by configuration Output (MU-MIMO) 124 management 377 multivendor environment tools 375, 376 integration planning 378, 379 network performance analysis 253-255 Network Registration Function (NRF) 138 Index Network Repository Function (NRF) 30, 31 network testing 378 network slice 277 New Radio (NR) 20, 95, 115, 197 Network Slice Instance (NSI) 291 cell definition 78 Network Slice Selection Assistance cell measurement signals 79 Information (NSSAI) 34 channel structure 75 Network Slice Selection Function downlink reference and (NSSF) 26, 34, 35, 289, 291 synchronization signals 76, 77 services 71, 72 physical layer 74 Network Slice Specific Authentication and resource grid 88, 89 Authorization Function (NSSAAF) 37 spectral efficiency 75 network slicing 34, 231, 277-282 ultra-lean design 79 3GPP architecture 289 uplink reference and architecture and design 286 synchronization signals 77 architecture and flow diagram 289-291 versus LTE 79, 80 benefits 278 Next-Generation eNBs (ng-eNBs) 10, 188 challenges 283 Next Generation NodeBs (gNBs) 196, 379 challenges, overcoming 283-285 Next-Generation Radio Access high-level architecture view 288 Network (NG-RAN) 3, 26 implementing 378 architecture 7, 8 security considerations 285 tracking areas 8, 9 use cases 292-295 NF redundancy 253 working 287 NFV Infrastructure (NFVI) 258 network slicing,