27 VPN service, 66 trouble ticketing, 142 walled garden, 58 UDP, 175 WAP. See wireless application protocol port number, 258 wavelength character, 56 Ulysses, 278 drift, 56 UME. See UNI management entity noise, 56 UNI, 253 signal power, 56 Index WBEM, 268,279 WebComm, 271 distributed environment, 270 architecture, 271 goals, 268 services, 277 tools, 268 web-hosting, 140 WBM. See Web-based network management web-ordering, 60 web interface, 66 wireless application protocol, 49 web-based asset location, 147 Wireless ATM, 25 Web-Based Enterprise Management, 268 Wireless Services Measurements Team web-based interface, 271 (TMF), 98 Web-based network management, 26,279 work groups, 85 AT&T, 278 work management, 51 case study, 267 work order, 85 control agents, 268 workflow automation, 70 distributed environment, 270 WSMT. See Wireless Service Management Event Handler Service, 271 HTML, 267 Intelligent Network, 278 Xacct, 53, 59 MapX ActiveX Geoinformation XML, 49, 68, 161, 190, 220 System, 269 extensibility, 50 Monitoring Service, 271 interface, 71 Nebula, 277 rendering, 70 Network Health, 277 template, 73 Optivity Software, 277 template scripting, 70 Permanent Virtual Circuits, 278 XML configuration commands, 70 Ulysses, 278 WebComm, 271 zero touch provisioning, 134 Web-Based Telecommunications Systems Management, 267 OPEN RADIO ACCESS NETWORK (O-RAN) SYSTEMS ARCHITECTURE AND DESIGN WIM ROUWET Open Radio Access Network (O-RAN) Systems Architecture and Design This page intentionally left blank Open Radio Access Network (O-RAN) Systems Architecture and Design Wim Rouwet NXP Semiconductors, Austin, TX, United States ACADEMIC PRESS An imprint of Elsevier ELSEVIER Academic Press is an imprint of Elsevier 125 London Wall, London EC2Y 5AS, United Kingdom 525 B Street, Suite 1650, San Diego, CA 92101, United States 50 Hampshire Street, 5th Floor, Cambridge, MA 02139, United States The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, United Kingdom Copyright © 2022 Elsevier Inc. All rights reserved. No part of this public