Research And Implementation, Based On The Parlay X 3g Service Access Gateway Location Business

This thesis first makes a simple description of the current situation of 3G and its technological difficulties. Then it talks about the ISAG and the relevant key technology - Parlay X Web Service.Then comes the key part of this thesis with detailed description of the design of ISAG and the realization of location service. Based on the group network structure of 3G in the future, the third chapter gives an all-around introduction of the whole design about SAG, which includes system framework, module design, and interface design of SAG. From chapter four to chapter seven the thesis introduces the realization process of location service from different perspectives. Chapter four gives a whole picture of protocol related to location service - Mobile Location Protocol (MLP), analyzing its structure and the service types it supports, as well as ISMAP. Chapter five discusses the realization of location service design: introducing the design framework first, working out database after the analysis and classification of relevant data second, and describing the typical procedure of every interface the last. Chapter six gives a detailed description about how to realize the location service, including the development tools, the realization of every interface, the mapping of messages in different protocols, and the operating procedure, etc. With explanations on testing environment, testing examples and testing results, Chapter seven discusses the testing of location service, including function testing, performance testing and integration testing, among which performance testing is given a complete clarification. In the last chapter, I have a general summary of my research and thesis writing during my post-graduate study, for the convenience of my future work and meanwhile make some suggestions for my future work.