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Design and Implementation of Charging Test System for Mobile Switching Equipment

Author: LiGang
Tutor: LeiYou
School: Beijing University of Posts and Telecommunications
Course: Software Engineering
Keywords: Mobile switching equipment Charge processing system Signal monitoring Charge verification testing
CLC: TN929.5
Type: Master's thesis
Year: 2010
Downloads: 20
Quote: 0
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Abstract


Charging is an important telecommunication service, not only to customer, but also to Service Provider. To mobile network, this relies on the correctness and accuracy of charge provided by switch systems and the related charge processing systems. Supervision on charging is the responsibility of the telecommunication regulator, and it can promote healthy growth for the telecommunication industry. Distinguished to Service Provider internal charging checking, charging verification testing organized by the regulator focuses on verifi ability, correctness, accuracy and impartiality. With this, and the universality requirement to the verification testing, it requires to developing a charging verification equipment that can be used by third party test laboratory for regulatory supervision.The technical target of this project is to develop a universal test system that can be used for charging verification in mobile network. With the comprehensive analysis of the needs and special requirements to charging test system for on-line verification, it is decided to implement the testing method by monitoring and analyzing the signaling on mobile network. Based on this concept, the charging test system for mobile network is designed and developed.The project is implemented by using Software Engineering method. This paper describes the principle of call charging in mobile network, and provides the method developed for verifying the correctness and accuracy of a call charging record. It defines charging test system requirements, by analyzing design target, external interfaces, operation environment, and functions required. The paper describes charging test system software development model, overall architecture, main development environment, and programming techniques. The paper also gives the detail design and implementation of signaling decoding, service analytics, and call charge record verification.The output of this project, charging test system, is an efficient solution used by third party test laboratory for call charge test; as a commercial system, it can also be used by service provide for billing system maintenance, and can be used by billing equipment vendor for development testing. The charging test system played a key role in a national wide supervision test on call charge correctness and accuracy of mobile network switch systems and the related call charge processing systems.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications
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