基于Linux的现场总线无线通信卡的实现---造纸印刷行业应用案例，尽在中国自动化网 关键字： 无线通信卡 现场总线 Linux驱动 [gap=370]Key words: Wireless Communication Card;Fieldbus;Linux driver;
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The technologies of set-card separation and OTA (Over the Air) are both the important measures in mobile communication systems to realize the separation of the wireless services and terminals.
移动通信中手机的机卡分离技术和空中激活技术是实现电信服务与电信终端相分离的重要途径。
The wireless data communication program frame, the communication protocol and the design method of software between the credit card center and the wireless POS terminal are especially introduced.
重点研究了信用卡授权中心与无线POS终端之间的实时数据通信流程、通信协议及其软件设计与实现方法。
Firstly, some basic technical words and relevant information are introduced, such as the technology of GPRS communication, short-distance wireless communication, CAN bus, and contactless smart card.
论文首先介绍了一些相关的技术背景资料，包括GPRS通信技术、短距离无线通信技术、CAN总线技术及非接触式智能卡技术等。
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