multiplexing numerologies 85 packet core network 20, 22 NR waveforms 80, 81 Packet Data Convergence Protocol NTN- and TN-integrated communication (PDCP) 21, 211, 270 security considerations 359, 360 Packet Flow Descriptors (PFDs) 28 NTN network architecture 356-358 Packet Network Data Gateway (PGW) 215 numerology 81 Packet Switched (PS) handover 5G to 4G 186 PATCH method 58 Payment Card Industry (PCI) 331 003 MEO satellite system 340 PDN Gateway Control (PGW-c) 62 OFDM waveform 81 PDN Gateway (PGW) 50 Index PDSCH eMBB 119 platooning 316, 317 PDU session establishment 242-246 Platoon Leader (PL) 316 PDU Session Modification procedure 184 Platoon Members (PMs) 316 PDU sessions 38, 39 Policy and Charging Resource Peak to Average Power Ratio (PAPR) 81, 123 Function (PCRF) 220 PGW-C+SMF 146 Policy Control Function Phase Tracking Reference Signal (PCF) 22, 28, 29, 53, 179, 240, 289, 291 (PTRS) 76, 77, 115, 122 services 67-69 Physical Broadcast Channel policy rule 184 (PBCH) 78, 97, 108, 115 POST method 58 resource element mapping 109, 110 Post-Quantum Cryptography (PQC) 286 Physical Cell ID (PCI) 104 Power Amplifier (PA) 79 physical channels 75 power distribution unit (PDU) 177 Physical Downlink Control Channel power source redundancy 253 (PDCCH) 115, 116 Precoding Matrix Indicators (PMIs) 120 Control Resource Set (CORESET) 116 Preemption Indicator (PI) 117 Group-Common PDCCH 117 Primary Synchronization Signal Physical Downlink Shared Channel (PSS) 76, 101, 107, 108, 115 (PDSCH) 99, 115, 117 producer-consumer model 52 Demodulation Reference Signal Protocol Data Unit (PDU) session 137 (DMRS) 117, 118 establishment, in 5G 138-146 processing chain 118 establishment, with 4G/N26/IWF 146, 147 Physical (PHY) layer 21 Protocol Data Units (PDUs) 27 Physical Random Access Channel Provisional Response Acknowledgement (PRACH) 77, 98, 110, 115 (PRACK) 182 and SCS 112, 113 Proxy CSCF (P-CSCF) 178 long sequence PRACH formats 110 public clouds providers 263 long sequence PRACH structure 111 Public Switched Telephone short sequence PR