195, 213 Session Management Function Standards Development Organizations (SMF) 22, 27, 53, 62, 289, 291 (SDOs) 325, 347 services 61-63 Index State Control Interface (Sci) 329 transport channel coding chains 128-130 Steering of Roaming information 141 transport channels 75 Stream Control Transmission Transport Layer Security (TLS) 332 Protocol (SCTP) 322 transport network 20, 22 Subcarrier Spacings (SCs) 74, 100 Trusted Network Gateway Subscriber Identity Module (SIM) 334 Function (TNGF) 359 Subscription Concealed Identifier (SUCI) 32 trusted non-3GPP access Subscription Identifier De-concealing via satellite 359 Function (SIDF) 47 typical 5G network 19 Subscription Permanent typical 5G production network 368 Identifier (SUPI) 32 Synchronization Signal block (SSB - SS block) 78, 97, 117 Synchronization Signal (SS) 76 UE registration process 234-242 System Frame Number (SFN) 109 Ultra Reliable Low Latency Communications System Information Block 1 (SIB1) 78 (URLLC) 4, 5, 23, 128, System Information Blocks (SIB) 99 197, 225, 227, 287 System Information (SI) 78, 122 Unified Data Management (UDM) 32, 178 services 63-66 Unified Data Manager (UDM) 22 Unified Data Repository (UDR) 28, 33, 34 telecom cloud services 66, 67 emergence 273,274 United Nations (UN) 340 telecom infrastructure unit testing 378 evolution 49-51 Universal Resource Identifier (URI) 58 Telephony Application Server (TAS) 178 Universal SIM (USIM) 334 Terrestrial Network (TN) 358 Unmanned Aerial Systems (UAS) 357 test framework design 248 Unmanned Aerial Vehicles (UAVs) 356 Time Division Duplex (TDD) 90, 97, 264 Uplink Control Information (UCI) 123 Time-Division Multiplexing (TDM) 186 uplink physical channels, and signals 123 TM Forum (TeleManagement Forum) 349 PUCCH 125, 126 reference link 349 PUSCH 123 Total Cost of Ownership (TCO) 258 URLLC multiplexing 119 Tracking Reference Signal User Datagram Protocol (UDP) 322 (TRS) 77, 115, 121, 122 User Equipment (UE) 7, 20, 137, 188, Transmission Control Protocol (TCP) 322 210, 261, 277, 286, 304, 352 Transmiss