Research And Implementation Of Location Algorithms Based On Wireless Sensor Node

Wireless Sensor Networks（WSN） is a fairly new technology on acquiring andprocessing data information.WSN has broad application prospects in military,medicine andhealth,environment monitoring and intelligent traffic areas.As for location technology,it is akey supporting technology of research and applications based on WSN,and it is also thepremise of target recognition,tracking and monitoring applications.Besides, locationtechnology is one of the hot research directions in WSN.In order to design a suitable node location algorithm for WSN, In this paper,I analysisthe current existing location algorithms,and make a thorough study of the wireless sensornetwork node location problems about the algorithm accuracy，energy consumption androbustness. The main content of this paper includes the following aspects.1. I read lots of large amounts of relevant literature in the field.The article describes thestatus quo of location-based wireless sensor networks at home and abroad firstly, and thenoutlines the wireless sensor network architecture and network protocols,besides, itsummarizes and describes the WSN location algorithm, performance evaluation andclassification.2. I make a thorough study of commonly range-based node position algorithms andrange-free node location algorithms,and also I research and analysis the principle andperformance in detail about node location algorithms.3. This paper presents an improved solution to the RSSI algorithm about the locationerror problem,and also presents an improved solution to DV-Hop algorithm about the heavycommunication, poor stability problems.4. In this article completes the process of location algorithm and improved solution in thehardware platform IRIS and software environment TinyOS.Finally, the paper work is summarized, and the future research work is discussed.