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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
In the wireless sensor network area, the sensor network can change dynamically. Environmental factors may cause the instability of the wireless communication link.If a sensor lose connection with the network, the environmental data collected by it can not be sended to the network center. Reducing the number of nodes without lower the original system performance can reduce the probability of error in the entire network. This system is based on CC2430 and TI Zigbee stack and integrates the monitor functions with router. Because of reducing the number of nodes in the network, the wireless network stability is enhanced and the construction costs is reduced too.?