Wireless sensor network

Abstract

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.

Description

technical field [0001] The invention relates to the network field, in particular to a wireless sensor network. Background technique [0002] The wireless sensor network is composed of a large number of wireless sensors arranged randomly, which can quickly form an adaptive network topology, and perform cooperative perception and processing of distributed dynamic information to form an autonomous comprehensive information system, which integrates sensor technology, embedded Computing technology, distributed processing technology and communication technology can collaboratively monitor, perceive and collect various environmental or monitoring object information in the network distribution area in real time, and process this information to obtain detailed and accurate intelligence and transmit it to the required users of such information. Sensor networks can enable people to obtain a large amount of reliable information at any time, place and under any environmental conditions,...

AI Technical Summary

Problems solved by technology

[0003] At present, research on wireless sensor network protocols mainly focuses on distributed topology, routing protocols, and MAC protocols. In distributed topology, sensor nodes are generally selected as cluster heads to realize management and scheduling of sensors in nearby areas, and sensor acquisition is ignored. Information fusion processing, in fact, the information fusion processing is completed by the upper-level equipment; the routing protocol is forwarded through the multi-hop relay of the sensor node, so as to realize the long-distance sensor information reporting, but due to the relatively small transmission power of the sensor, the transmission distance is relatively limited. The sensor relay forwarding distance is limited, so multiple sensors and multiple hops are required to realiz

Images