摘要
MMS是运行于GPRS承载网络之上的一个高层应用。而GPRS是在GSM Phase2 +阶段实现的内容,是对GSM网络的一个升级,把分组交换网络引入到了传统GSM的电路交换网络中,从而实现了宽带的移动数据通信。由于GPRS数据交换采用的是IP包交换的方式,从而把Internet网络从固定网延伸到了移动网,极大地改进了Internet网络的通讯接入方式,做到了随时随地都可以接入Internet网络。主要讨论无线终端接入GPRS网络以及MMS消息的具体实现方法。
MMS is a high level application which carried by GPRS network.GPRS is realized in the duration of GSM phase 2+,which is a version of up-grated GSM network.It uses the PRI switch technology so that people can realize mobile data communication of wideband.Because IP switch is used in GPRS,the Internet access method has changed extremely and it can access Internet any time and any where.Wireless terminals how to access GPRS network and how to construct and transmit MMS information are discussed.
出处
《现代电子技术》
2005年第15期34-38,共5页
Modern Electronics Technique
