摘要： 介绍了一个SMS增值应用系统的设计框架及相应的技术特点。通过对现有移动通信网络的分析，引出SMS自身的特点，以及针对这些特点提出一些与之相应的适合服务。详细分析了短消息的PDU组帧格式。同时结合其他相关技术构架和设计出了一个具体服务系统，具体阐述了其实现过程和应用价值。最后提出本系统的服务易扩充性，只要通过一定的方法步骤即可方便地达到系统服务的升级。

关键词: 短消息增值服务, 短消息报文类型, PDU格式, 短消息服务构架

Abstract: The paper introduces a design framework and corresponsive technologies. By analyzing features of current mobile network and short messaging service (SMS), the authors conclude that some creative services can utilize SMS to be under-layer supporting environment. The paper presents the PDU frame of short message in detail. Furthermore, the paper designs a concrete service system in combination with other relevant technologies and describes its application value. Finally the paper brings forward the extensibilities of the methods.

中图分类号: 

• TN929.5