(论文 字数:35076 页数;47)摘要:本文通过对现代远程通信方式的讨论,提出了利用现有GSM网络的短消息业务实现的远程通信的种种优势,并将这种方式应用于本设计系统。采用先进的GSM通信模块和单片机互连的终端系统,通过AT指令,实现了数据的发送。在PC机端,通过VB编程实现人机友好交互界面,通过连接GSM模块实现接收终端发出的数据的功能。文中论述了GSM系统的组成结构、主要业务,重点介绍了短消息业务的特点、结构等方面,并基于此建立了整个系统。详细介绍了系统主要硬件组成部分及其作用,给出了整个系统软件流程图和部分子程序流程图。介绍了该技术的应用前景和推广价值。而且提出了本系统尚需解决的一些问题,并给出了可能解决这些问题的途径和方法。但是由于利用短消息业务存在时延等问题,本文基于此还提出了另一种基于GPRS的系统方案。介绍了GPRS的业务特点,网络结构等方面,并给出了整个系统设计。 关键词:GSM网络,短消息,单片机, VB ,GPRS The data transmission with GSM based on Microcontroller Abstract:This article proposed to use the existing GSM net’s short message service to realize all sorts of superiority to long-distance correspondence through the discuss of the modern long-distance correspondence modes,and apply this way in this designed system. I realized the data tranmission by using the teminal system which connected with the advanced GSM correspondece module and the MicroController Unit and through the AT commands. In another PC machine end, I realized the friendly man-machine interactive contact surface through the VB programme, and realized to receive data from the terminal system by connecting with the GSM module. In this article, I elaborated the composition and the primary service of the GSM system, introduced the characteristics of the short message service, the structure and so on. Besides, based on what have discussed above, I have established the overall system. Forthermore, I have intrduced the system’s main hardware consistent and it’s function in detail, provided the system’s software flow and some subroutines. Moreover, I introduced this technical’s applicatin prospect and the promoted value. Then, I proposed some problems the system still had to solve,and provided some prossible ways and methods to solve these problems. However,because the short message service has some problems such as the time delaying, the article gave another system plan based on GPRS. I introduced the characteristics ,the network architecture of the GPRS service and has produced the overall design of the system. Key words: GSM short message service MicroController VB GPRS 目录 |
基于单片机的GSM网数据传输.
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