A cell phone’s roaming feature allows the user to get service when traveling beyond the boundaries of his/her service provider. Wireless service providers make approximately 30% of their operating profit from roaming. But despite being a major source of income, roaming suffers from a number of technological problems in the handoff between networks. Signal strength is wildly variable, calls are frequently dropped, and quality of service is poor. Based upon training courses the author teaches at Agilent and Hewlett-Packard, this is the first book to give communications engineers the know-how to faultlessly design and manage roaming services.
This hands-on guide explains how to design, implement, test, and manage roaming services in wireless networks. Roaming in Wireless Networks covers aspects of roaming network architecture, interfaces, protocols, troubleshooting, and service management. Practical and up to date, readers will find complete details on the latest technologies, including GPRS and 3G. There is no better guide to developing reliable, high-quality, multinetwork wireless roaming services than Roaming in Wireless Networks.
Covers these and other key topics:
Technologies: CCS7, GSM, GPRS, 3G
Interfaces & Protocols: access, core,and internetwork
Roaming Scenarios: National, International, Inter-standard, WLAN, Prepaid
Testing: Inter PLMN roaming tests, Roaming QoS
Service Management: KPIs/KQIs, Fault isolation and troubleshooting
The Content Needed to Expertly Design and Manage Roaming Services in Wireless Networks: Wireless Networks and Roaming * Signaling System # 7 * Global System for Mobile Communication (GSM) * General Packet Radio Services (GPRS) * Third Generation Networks (3G) * Roaming in a GSM Network * Roaming in GPRS and 3G Networks • Roaming Implementation for Prepaid Roamers * Roaming Testing * Roaming Service Management and Troubleshooting * Value Added Services * Billing and Settlement * International Roaming -- Future Enhancements and Services
is Principal Consultant working with Agilent Technologies in Malaysia. He has 20 years of experience in diverse areas of telecommunication including research and development, validation, test and measurement, and operations support systems. He works closely with wireless service providers delivering consulting and training. He has developed and taught technical training courses on digital switching, signaling, and wireless communication, and delivered numerous seminars.