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本文介绍了一种利用现有的GPRS网络资源,发挥其网络覆盖率高,传输特性好等优势,为数据采集系统提供一种便利的无线数据采集传输方式。GPRS是在现有GSM系统上发展出来的一种新的数据承载业务,支持TCP/IP协议,可以与分组数据网直接互通。而且它具有惊人迅速、永远在线、流量计费等特点,在远程突发性数据实时传输中有不可比拟的优势。GPRS无线传输系统的应用范围非常广泛,几乎可以涵盖所有的中低业务和低速率的数据传输,特别适合于频发小数据量的实时传输。
This paper introduces a way to utilize the existing GPRS network resources to exert its advantages of high network coverage and good transmission characteristics to provide a convenient wireless data acquisition and transmission mode for data acquisition system. GPRS is a new data bearer service developed on the existing GSM system and supports TCP / IP protocol and can directly communicate with the packet data network. And it has a surprising speed, always online, traffic accounting and other characteristics of real-time remote transmission of data in an unparalleled advantage. GPRS wireless transmission system is widely used, covering almost all low and medium-speed business and low-rate data transmission, especially suitable for real-time transmission of small amounts of data frequently.