With the development of GSM mobile -communication network , the development and application of new technology and new service become More and more important. SMS have been so important for ISP and ASP as one basic service of GSM network. Various application quckily grow based on this.Based on the GSM phrase 2 plus protocol specification issued by ETSI (European Telecommunication Standardization Institute), the protocol architecture of Nerwork Layer is studied and software design frames and realization procedures are provided in this thesis. Next, founded on the software development platform of Application Layer, the whole structure of Application Layer is analyzed and the method of software design on Foreground Layer is proposed. Finally, given the application system of Water Wirelss Publishment Query System based on SMS technology and describe the development process in detail. |