无线网络应用于工程设备中的安全性措施

Wireless Network Applies at Safety Measure in Engineering Equipments

根据所研制的大型铁路施工设备电气系统WLAN的实例,提出了基于私有协议栈的WLAN安全性设计的一些措施。如物理层的安全设计;包括通信频段的选取、无线收发模块采用扩频(Spread Spectrum)技术、物理位置与访问AP等。数据处理层(链路层)的安全设计;包括节点地址码的映射、CRC-16校验码加密、仲裁节点防火墙等。

Aaccording to the certain large scale example of railway equipment electrical systematic WLAN of the R＆D of the author,this paper put forward some measures based on the WLAN safety design of privately owned protocol warehouse.Such as the safety design of physical layer;Include communicating frequency section select,wireless dispatcher modular adopting expand frequency （Spread Spectrum） technology,physical location with visit AP.The data safety design that handles layer （link layer）;Include node address yard shine upon,the CRC-16 encryption of check code,arbitration node firewall.