The Design And Implementation Of Remote Card Personalization System Over The Air Using Handheld Terminal

In recent years, the industry of mobile communications developed rapidly, the number of users increased fast, the market has good prospect, the technology of communications projects which are adopted are upgrading rapidly. With communications technology becomes more and more mature, the network coverage is increasing, mobile phone users request more demand on mobile phone service, communications companies have shifted focus gradually to improving the quality of services and lower operating costs. Therefore, in order to fill the demand of changing SIM card and getting new SIM card for the lost card in different cities, China Mobile proposed the concept of "cross-service", and implemented the remote personalization system in 2003.The remote card personalization system implemented by China Mobile solves the problem of inventory, number occupation and fund occupation partly. However, due to the enormous social agent sales channels, small retailers have no conditions of network and computers, it cannot be promoted in large-scale. This paper presents a scheme of card personalization over the air using handheld terminal. It's analysed and designed based on the mode of the existing personalization system. The scheme makes the system can be fully implemented. The business use of this system will greatly facilitate the issue and management of the SIM card for communications companies, and will realize the automatization and intelligentize it. It facilitates customers to deposite money for their SIM card, effectively reduces the cost for communications companies to inventory and deposition, increases the turnover of communications companies, increases the competitive ability in remote areas.The paper firstly analysed the merits and shortcomings of the existing remote personalization system, found that the system solved the problem of inventory, number occupation and fund occupation partly. However, due to the enormous social agent sales channels, small retailers have no conditions of network and computers, it cannot be promoted in large-scale.Secondly, presented a scheme of card personalization over the air using handheld terminal due to the disadvantages of existing system. Added the part of card personalization over the air on the basis of existing system, designed the entire system, included the main functions, the technologies adopted, components, software system of the system of card personalization over the air using handheld terminal. Analysed the main business processes and introduced some specific codes.Lastly, proposed the principles of the design of the security of the entire system and specific implementations of the design. Analyzed and designed the security of operation and data. Focused attention on analyzing the faced security threats of air data transferring and proposed measures.