ZigBee Technology Based On Embedded And Wireless Sensor Network Design

Based on various of protocols and supporting technologies of wireless sensor network system, this paper designs a typical multi-level network model by analyzing the application scenarios of data collection network.The model consists of three levels as follows:Monitoring center consistered by embedded systems and monitoring software; Main network composed by central control node; sensor subnet made up of routing nodes, relay nodes, underlying sensor node. The coordination of the various parts to complete the task of data collection and monitoring. The design of wireless communication module which make the CC2430 chip as the core and combined by ZigBee and ARM technology and. The design of software bases on ZigBee2006 Stack and the platform of the gateway hardware puts IntelPxa270 microprocessor as the center. network Through which the public telephone and Ethernet of broadband can access to the public network. The sensors and other network facilities are connected togrther through the ZigBee WLAN. At the same time of the wireless communication between nodes of multiple networks in short-range is going, the data among the wireless communication module and the terminal collecting p is linked by the serial port. the control platform which made embedded WinCE system as its center. resolved the important and difficult in migration process that the applications of the remote data acquisition, the used of serial communications software of the embedded systems, the management of the remote server and embedded database and the research of the related system models and code of embedded system. It's to achieve the transplantation on the EEliod Evluation development board. It is proved that, the platform is stable and the operation is reliable. The number of performance indicators meet the design requirements well and it's can be used for Centralized processing in wireless communication, distributed computing and the concentration treatment of security.