Wireless sensor network

The invention provides a wireless sensor network. The wireless sensor network at least comprises an information integration equipment layer, an information processing equipment layer and a sensor layer, wherein various sensors of the sensor layer are used for collecting target signals; information processing equipment of the information processing equipment layer serves as superior equipment of corresponding sensors and is used for processing information uploaded by the sensors to facilitate uploading for another time and controlling the sensors; information integration equipment of the information integration equipment layer serves as superior equipment of the information processing equipment and is used for receiving information reported by the information processing equipment and carrying out integration processing on the information to form intelligence information. Preferably, the wireless sensor network further comprises relay equipment used for relaying and forwarding of information between different layers. Preferably, a broadband spread spectrum communication mode is adopted in a network physical layer; a dynamic and static hybrid MAC protocol is adopted in a network link layer according to the type of service. The wireless sensor network is suitable for large-scale layout outdoors, and has high robustness, survivability, anti-interference and a longer life cycle.