REG (Resource Element Group) 107, 108 Ordering Functions) 357, 371 Release-13 39, 41, 50, 51 PRG (Precoding Resource Group) 115 Release-14 51, 52, 189, 191, 193 Private networks 5, 8, 32, 34, 35, 39, 53, 54, Release-15 3, 52-54, 76, 99-102, 106, 109, 213, 222, 121, 132, 159, 177, 234-236, 239-241, Proprietary 2, 19, 23, 24, 34, 35, 38, 41, 123, 257, 265, 270, 274, 277, 327, 331, 342, 124, 131, 133, 140, 142, 160, 193, 228, 234, 235, 261, 278, 280, 294, 303, 349, Release-16 3, 17, 54-56, 61, 132, 215, 234, 235, 237-239, 241, 248, 249, 252, 255, PRTC (Primary Reference Time Clock) 209, 257, 258, 261, 266, 274, 277, 331, 340, 290, 358 PSCell (Primary Secondary Cell Group Cell) Release-17 61, 129, 132, 234, 237, 255, 257, 164, 170, 171-174 261, 274,340,343 PSS (Primary Synchronization Signal) 40, Reliability 18, 33, 39, 54, 62, 80, 82-84, 99, 44, 104, 105, 121, 197, 267 151, 218, 258, 260, 261, 268, 270, 274, PT-RS (Phase Tracking Reference Signals) 292, 346-350, 355-357, 371, 374, 375, 112, 115-116 380, 381, 385-387 PTP (Precision Time Protocol) 201, 209, RIC (RAN Intelligent Controller) 283 287, 290, 355, 359, 360, 373 PUCCH (Physical Uplink Control Channel) RIT (Radio Interface Technology) 22, 85, 109-112, 116, 224, 225, 264 RLF (Radio Link Failure) 93, 118, 254 RMSI (Remaining Minimum System Information) 97 QFI (QoS Flow Identifier) 70, 80, 82, 83, RNA (RAN Notification Area) 86-88, 185 RNI (Radio Network Information) 308, 321 QoE (Quality of Experience) 341, 345 RNL (Radio Network Layer) Index RNTI (Radio Network Temporary Identifier) 147, 151, 179, 180, 243, 251, 286, 288, 73, 74, 95, 96, 109, 186 291, 366 RoE (Radio over Ethernet) 193, SD (Slice Differentiator) 78 RoHC (Robust Header Compression) SDAP (Service Data Adaptation Protocol) ROI (Return on Investment) 75, 80-83, 87, 92, 97, 98, 141, 144, RQI (Reflective QoS Indicator) 70, 167-169, 176, 179, 194, 242, 243, 262, 87, 88 263, 275, 287 RRC connection 65, 66, 74, 85, 89, 93-95, SDH (Synchronous Digital Hierarchy) 351, 97, 108, 152, 174, 185-187, 242, 250,