Designing And Realizing A Added-Value Develop Platform On Smard Card Based On SIM

With the great development of the CMOS chip, Smard Card which plays the role as a new Application platform is widely use in many fields. Smard Card is a synthesis of many kinds of technologies, such as micro-electronics, computer, information security, and so on. As a kind of high technology product, Smard Card can widely improve the modernization level of people's life and work, so it becomes one of the development level symbols of a country.The SIM card which develops fast, is one of the most popular fields of Smard Card. The design and development of the SIM card in GSM system not only follow GSM 11.11 criterion and GSM 11.14 criterion, but also have good expansibility to satisfy the market requirement.At the beginning of telecommunication development, the main operation is voice operation, and most of the resource is used to deal with the voice communication among the users in order to satisfy the request of the call. Subsequently, the customers have brought new request to telecommunication, and the simplex voice operation can not satify more and more various requests of the customers, so it gives birth to the Phase2 SIM card, which uses the SIM Application Tool Kit (STK) to help the. telecom corporation to develop different kinds of Value-Added Service, which makes the SIM Application various.The first and the second chapter introduce the background of the Smard Card, the structure of the SIM card, SIM card communication protocol , file system and security characteristic. Then the third chapter introduces the development status of SIM card and the Value-Added Service. The fourth and the fifth chapter introduce a kind of Value-Added Service plateform and how to realize it. The last chapter gives us the process of the Value-Added Service which runs on the platform.