...ZigBee wireless network；CAN bus；read-write head ；orientation system of the mining personnel；data transf[gap=145]关键词：ZigBee无线网络； CAN总线；读写器；井下人员定位系统；数据传输 ..
First, the paper studiesthetheoreticalbasisofthe wirelesssensornetwork (Zigbeeprotocol), including the characteristics, composition, structure and protocol stack.
As Technology Review's Physics arXiv blog reports, they've devised a means to modify a standard 802.15.4 wirelessnetwork (commonly used by home automation services like ZigBee) to actually "see" movement through walls, and with some degree of accuracy, no less.