As electronic technology and communication technology continues to develop, promoting the rapid development of low-power multi-function sensor. Wireless sensor network is based on sensor technology, embedded computing technology, modern networking and wireless communication technology,distributed information processing technology. through various integrated micro-sensor wireless sensor network can monitor,perceive and collect the information of given objects.ZigBee is a
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With the development of sensor technology and telecommunication technology, wireless sensor network has a widespread application in many aspects. WSN works in military monitoring, the earth***** and climatic prediction, deep water and the outer space exploration. Based on a wireless sensor network temperature gathering system, it is used to monitor residents’ indoor heating condition for
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As a new technology,Wireless sensor network has been used in many fields and has a powerful inflence on national defense and industrial production and people’s daily life. Because wireless sensor network nodes generally work in the bad environment where people cannot be reached, and the nodes will not be able to get the extra energy
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Wireless sensor network (WSN) consists of small nodes with sensing, computation, communications capabilities and has broad application prospects. Sensor nodes need transmit data to a server with large capacity memory on the external network, while the external network users can monitor and control WSN. The most direct way to interconnect WSN with Internet is that
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Wireless Sensor Network (WSN) is a high end of research subject crossed by multi-disciplines which include sensor technology, network interconnecting technology, distributing technology and so on. Network is composed of many tiny sensor nodes which can monitor, perceive and collect the information or the object monitored in the environment concerned in real time by the
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The Overhead Contract System(OCS), as the main power supply equipment of the electric railway, has an important effect on its safety. In the various failures of Catenary equipment, the damage of electric burning is the most serious for it is difficult to be discovered in advance. Therefore, it has already begun to attract more and
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Wireless Sensor Network technology is currently mainly used for regional environment monitoring. it is in order to achieve real-time monitoring of sensing region through the management and processing of sensing data. Users only care about the sensing data itself rather than the sensing networks. Based on this, the data management technology has become the core
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With the development of the human society, positioning services have been frequently incorporated into our daily lives in the forms of vehicle navigation, human positioning, online social networking location check-in, etc. A wide variety of applicable areas raise the importance of positioning service. Recently emerged Wireless Sensor Network (WSN) acts as a wireless communication technology
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In recent years, technology about the Internet Of Things has become popular at home and abroad. It is one of the important branches and key technologies of the Internet Of Things that connecting IP wireless sensor network to the Internet. 6LoWPAN which combines IPv6 with the IEEE 802.15.4 protocol is one of the most popular
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Environmental monitoring use physical, chemical and biological techniques, quantit ative and comprehensive analysis the pollutants and their components of the system, to explore the variation of environmental quality. The Main objective of this project is to build wireless sensor network for environmental monitoring based on ZIGBEE prot ocol.The first chapter briefly analyzes the advantages and
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