无线通讯是通信技术的一个重要分支，现代无线通讯主要使用了3G、wi—Fi、

Bluetooth及UWB四种通讯标准，这四种通讯手段尽管有许多优点，但对于工业，

家庭自动化控制和遥测遥控领域而言仍存在许多缺陷。-Throu吐a large amount of information and depth study of both IEEE802．15．4

standard and ZigBee protocol standard．this subject developed a code with

independent property rights agreement ZigBee Stack-EmZigBee，and produced a

ZigBee hardware module．And it achieves an”intelligent traffic junctions based on the

zigBee wireless network”examples based on my own zigbee protocol stack and hardware modules．This Paper is in seven chapters as follows．