ain Interference Scenarios in TDD System 8.7.2 TDD Frame Configuration Options 8.7.3 Cell Size and Random Access Channel 8.7.4 Guard Period and Safety Zone 8.7.5 Intra-Frequency Operation 8.7.6 Inter-Operator Synchronization 8.7.7 Synchronization Requirements in 3GPP 8.7.7.1 Cell Phase Synchronization Accuracy 8.7.7.2 Maximum Receive Timing Difference (MRTD) for LTE-5G Dual Connectivity 203 8.7.8 Synchronization from Global Navigation Satellite System (GNSS) 8.7.9 Synchronization with ToP 8.7.10 Timing Alignment Between Vendors 5G Overlay with Another Vendor LTE Summary References 211 Transport Esa Markus Metsälä and Juha Salmelin 5G Transport Network 9.1.1 5G Transport 213 9.1.2 Types of 5G Transport 9.1.3 Own versus Leased Transport 9.1.4 Common Transport 9.1.5 Mobile Backhaul Tiers 9.1.6 Logical and Physical Transport Topology 9.1.7 Standards Viewpoint Capacity and Latency 9.2.1 Transport Capacity Upgrades 9.2.2 Access Link 9.2.3 Distribution Tier 9.2.4 Backhaul and High Layer Fronthaul Capacity 9.2.5 Low Layer Fronthaul Capacity 9.2.6 Latency 223 9.2.7 QoS Marking Technologies 9.3.1 Client Ports 9.3.2 Networking Technologies Overview Fronthaul and Backhaul Interfaces 9.4.1 Low Layer Fronthaul 9.4.1.1 Network Solutions 9.4.1.2 Security 230 9.4.2 NG Interface 9.4.2.1 Connectivity 9.4.2.2 Security 231 9.4.3 Xn/X2 Interfaces 9.4.3.1 Connectivity Contents 9.4.3.2 Security 9.4.3.3 Dual Connectivity 9.4.4 F1 Interface 9.4.4.1 Security on F1 Specific Topics 9.5.1 Network Slicing Transport 9.5.2 URLLC Transport 9.5.2.1 Latency 233 9.5.2.2 Reliability 9.5.3 IAB (Integrated Access and Backhaul) 9.5.4 NTNs (Non-Terrestrial Networks) 9.5.5 Time-Sensitive Networks References 236 5G Performance Harri Holma, Suresh Kalyanasundaram, and Venkat Venkatesan Introduction Peak Data Rates Practical Data Rates 10.3.1 User Data Rates at 2.5-5.0 GHz 10.3.2 User Data Rates at 28 GHz 10.3.3 User Data Rates with Fixed Wireless Access at 28 GHz Latency 247 10.4.1 User Plane Latency 10.4.2 Low Latency Architecture 10.4.3 Control Plane Late