计算机控制短消息的接收与发送

【作者】 李婧；

【导师】 高玉；

【作者基本信息】 南京师范大学 ， 物理电子学， 2005， 硕士

【摘要】 短消息服务(SMS)是全球公认的无线服务,它能够在移动用户及外部系统之间传送包括文字或数字的短信,是一种廉价而方便的交流方式,具备许多其他通信方式不具备的优点。现在,作为GSM网络的一种基本业务,SMS短信息服务己得到越来越多的开发商的重视,以GSM网络作为数据无线传输网络,可以开发出多种应用,这些开发在各行各业都具有很大的发展空间。 论文开发了一个短消息的应用实例。我们设计研制了一种射频识别系统,通过识别系统读出的卡号经过短消息平台,可以实现终端(通过串口)自动发送短消息的功能。同时开发的短消息平台还具有接收短消息、短消息群发以及ASP发送短消息的功能。管理员可以对数据库进行相应的操作、管理,查询各种数据,打印、保存查询结果,生成各种报表等。在ASP发送部分,用户还可以发送邮件,进行网上投票等等。 论文首先介绍了现代移动通信的新技术GSM以及GPRS的组成、网络结构、原理、发展等等。接着描述了短消息发送和接收的基本业务,信令流程;短信网关以及短消息未来的发展趋势(短消息增值服务以及多媒体短消息)。然后讨论了中国移动通讯互联网短信网关接口协议(CMPP),并详细分析整理Siemens等公司的AT指令及其用法和PDU代码的构成、含义。 最后,详细讨论了电路的设计以及对单片机的编程控制;描述了收发短信的流程图,如何调用Windows API函数来实现Visual Basic.Net对串口的读写,介绍了对PDU代码的两种编码、解码方式等关键技术的实现。更多还原

【Abstract】 Short Message Service is a worldwide accepted service, it can transmit short message in word or in figures between user and system. It is a convenient and cheap communion, which has a lot of virtues that other communication services do not have. Now, as a basic service of GSM, SMS attracts more and more attention .A lot of applications can be developed if we use GSM as a data wireless covert network .All these development researches will have broad market in every walk of life.A short message application example is designed. Firstly, a radio frequency identification system is developed. The data on the IC cards can be recognized accurately by the reader based on RF identification technology and received by short message terminal, and then short message can be sent automatically through com port. The short message terminal also can receive short message, send short message to different people at one time, and send short message through ASP. The administrator can manage, query various data; print, save the outcome; create report forms and so on. The user can send E-mail, vote via network etc.At first, a brief introduce about Global system for Mobile communications (GSM) and General Packet Radio Service (GPRS) has been given. Then SMS gateway, signaling flow, and Enhanced Message Service(EMS)、 Multimedia Messaging Service(MMS) are described. After China Mobile Peer to Peer protocol (CMPP) is discussed, particular analysis is given concerning AT command of Siemens company and the composing、 meaning of PDU.Finally, the design of circuit and programming on the control of monolithic computer are discussed in detail. The flow chart of sending and receiving short message, and how to apply Windows API to read and write data through com port in visual basic.net is depicted. The message in PDU mode and its encoding and decoding in Chinese or in English are presented.更多还原