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Design and Implementation of Billing Engine for China Unlcom’s Online Charging System

Author: ZhangZuo
Tutor: LiuGuiXia
School: Jilin University
Course: Software Engineering
Keywords: Online Charging System 3G Interface protocol Billing engine Intelligent Network
CLC: TP311.52
Type: Master's thesis
Year: 2011
Downloads: 33
Quote: 0
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Abstract

In today's communications market, operators by inherent obtain customer information has been difficult to maintain the user in the net rate had to face the difficult current situation of the increasingly saturated business market, and the discovery the summarized and practice of long-term respectively by reasonable mechanism and post-paid and prepaid users to establish a stable long-term relationship is a great way out of this dilemma, the average revenue per user and more concerned about the voice of the main business can also be a greater degree reflect their own values. Billing system as a core part of China Unicom's business support systems, their functions and performance needs strong enough, so more operators continue to introduce new tariffs, bundled with a combination of marketing of new products and a variety of business and provide a strong protection. Construction of the 3G environment, technical specifications, quality reference structure of the online billing system, Online Charging System, the flexibility of real-time billing system can be completely stuffy billing mechanism involved in user the actual use of the process, the first time the bearer sessions, events and other specific business billing content has sufficient versatility and openness. OCS system is responsible for the management of real-time online user accounts, process and control the online users' accounting, and completed a full-service support for individuals and groups of different consumer content, in the case of the three systems domain BSS China Unicom system standpoint business service support layer, and the formation of a new billing system in parallel with the charging and billing system. Billing engine is the core part of the provincial OCS, it mainly consists of data management, billing gateway, account management, accounts processing, batch price processing, billing control, universal interface system module. This article focuses on the accounting treatment of the billing engine, the grant price of processing, billing control three modules of detailed design and process flow. The billing business processing of the provincial OCS grant price and charging control two major aspects: the grant price processing file, and consistent with the flexible tariff mechanism for orderly processing packages and complex business, it is the province The costs calculated core level OCS, adopted in accordance with the configuration parameters the positive operator backcalculation calculated and promotions. Billing control online user billing request including the request, such as the start of the session, timely status updates, event type, account amount, management, and event involved in the whole process of the machines in the system the balance of price management. Service request backcalculation is likely due to the billing factors did not completely online billing system approved price of processing modules in the same time of receipt of the request user information and use by default is sufficient, and then only to assess user amount of use of the required services; positive operator can be at the same time the amount and use of the User reasonable allocation and locked, and the time billing engine failure, during the protocol adapter will be the user's business floor for timely, then single engine recovery will be collected to this part of the floor, then a single re-approved price and accounts processing, and includes such special words such as emergency, then single single billing engine through a variety of ways the business online or temporarily offline processing. The OCS system can control the real-time billing, to avoid user arrears risk, but the current stage, there are still a lot of problems. Can only hold 200 million users in the design of the OCS system support, which is not enough for the future of the majority of the 2G and 3G users, while OCS system is only responsible for the billing part processing, user information, account information and other content in BSS systems, which makes the OCS system with CRM, the BILLING, VAC has a lot of interaction, the complexity of business processes, the intelligent network users to cut received the OCS system operation will become a complex and burdensome task. Future support of the new users how to better meet the OCS system, and the successful completion of the intelligent network users to complete cutover become an important issue. OCS construction can greatly reduce the arrears and opportunity costs to take into account the cost-effective construction cost, comprehensive system stability; OCS introduced to provide optimized IT network and business network opportunity, in line with the trends of industrial development, the introduction of the intelligent network and data services network element assume traffic control its core functions, billing, grant price function is responsible for the OCS online charging system. Bundled services by providing flexible payment mode, real-time services, will be an effective way to attract customers and improve the customer's cost of off-grid, thus greatly strengthening customer loyalty, market expansion into the virtuous circle of development track.

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