【摘要】 移动消息业务已日益成为移动运营商的主要增值业务。为满足移动消息业务从简单文本消息到多媒体消息发展的要求,移动消息技术经历了从SMS(短消息业务)、EMS(增强型消息业务)到MMS(多媒体信息服务)的演进过程。文中首先着重分析了目前广泛应用的SMS的原理、功能、网络结构和应用模式,并对相关业务的实现技术作了详细论述;然后具体介绍了MMS的网络结构和业务实现原理;最后对移动消息业务的发展进行了展望。更多还原

【Abstract】 Mobile messaging service has become one of the major valueadded services for mobile services providers. As the content of mobile message is changing from plain text to multimedia message, mobile messaging technologies are evolving from SMS(short message service), EMS(enhanced messaging service) to MMS(multimedia messaging service). Following a thorough discussion of the principles, network architectures and business models of SMS, this paper presents a detailed description of MMS concerning its network architecture and operation principles. The evolution trend of mobile messaging services is also discussed in the end.更多还原