ctrum allocation system (SAS), 11-12,11f System integration, 343 378 Index System mapping, 103 interference management, 353 System software orthogonal frequency division multiplexing 3GPP and IEC security requirements, 212-214 numerologies, 351-352 functional application platform interface, slot/mini-slot structure, 352 201-206 uplink grant-free transmission, 352 network monitor mode API, 204-206 systems, 189 nFAPI, 203-204 Throughput, 320-321 PHY API, 202-203 testing, 341 networking stacks, 197-200 Time, 267-273 operating system, 183-197 accuracy, 291 security aspects, 206-214 and frequency synchronization, 84 application architecture, 210-212 holdover, 305 network reconnaissance, 208-209 O-RAN, 265-269 profiling, 206-208 relationship of TAI to UTC, 268f security updates, 209-210 synchronization, 148 System tests, 329 time-domain scheduling, 250 consumer application hardening, 340 time-frequency offset estimation, 314 feature testing, 333-334 Time-Division Duplex (TDD), 63, 311 example of feature compliance matrix, 334f Time-Sensitive Networking (TSN), 33, 349 interoperability testing, 338-340 Time-synchronization systems, 299-302 RF compliance testing, 335-338 PTP + SyncE solution flow, 302f SA/NSA, 332f servo performance comparison, 301f setup, 332-340 timestamping points, 300f System Validation Test (SVT), 329 Timestamping location and resolution, effects of, System-level optimization, 254-257 303-305 high-level view of an O-RAN CU/DU/RU oscillator selection and holdover, 303-305 system implementation, 255f Timing, 143 system-level scheduling challenge, 255f Tool Command Language (TCL) scripting, 330 System-on-Chip (SoC), 117-119, 309 Top of Rack (TOR), 142 performance counters, 319 Traditional base station architectures, 14-17 3G/4G/5G macro cell, 15-17 all-in-one base station, 15 TCXO, 304 Traffic classes, 92-93 Telecommunications Infrastructure Project (TIP), Traffic generators, 333 Traffic requirements based performance analysis, 3G networks, 215 104-106 3G/4G/5G macro cell, 15-17 Transaction layer packet