| Sensor networks are integration of sensor techniques, nested computation techniques, distributed computation techniques and wireless communication techniques. They can be used for testing, sensing, collecting and processing information of monitored objects and transferring the processed information to users. Sensor network is a new research area of computer science and technology and has a wide application future. Both academia and industries are very interested in it. The concepts and characteristics of the sensor networks and the data in the networks are introduced, and the issues of the sensor networks and the data management of sensor networks are discussed. The advance of the research on sensor networks and the data management of sensor networks are also presented.The research on wireless sensor network which involves the planes of the architecture of network, hardware platform of node, and organization of software, such as the protocols of logic link layer and route layer and the management system is popolar worldwide.In this paper, a deep research of both the hardware and software structure is performed.This paper introduce a hardware platform based on CC1010, which intergrated with the module of RF, A/D conversation .etc. It is easy to be extended for new applications, and has smaller cubage and lower cost. However, CC1010 chips have pool processor, which would be adapt to the applications of wsn, but some complex algorithms and protocols are impossible. In some complex applications, we must put the complex algorithms to the sink node which have more powerful processor resource.To propose new algothrms to accommodate this platform and simplify and improve algothrims to assure the speed and correctness of transmition is the feature and purpose of this theis. The innovation of this paper lies in: A more qualified and lower cost hardware platform with proper communication protocols is adopted and realized. On the research of data link layer, a more useful protocol including... |
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