Abstract: With the development of wireless technology, using wireless technology in industrial environment becomes more and more popular, meanwhile researchers pay more attention to TD MA mechanism due to its capability to avoid collision which makes wireless communication behavior much more determinate, but most current researches arc limited to simulations and experimental studies are rare. To bridge this gap, we developed and implemented a high data rate wireless networks testbed based on I}DMA mechanism and commodity IEEE 802. 11 hardware, the test bed can be used for filed level industrial wireless technology's development and experiment, and experimental evaluation shows the test bed can support TDMA applications that rectuire time slot schedule in millisecond.

Key words: Wireless industrial networks,802. 11,TDMA