首页|Localization Accuracy Improved Methods for Range-Free Localization Schemes in Wireless Sensor Network
Localization Accuracy Improved Methods for Range-Free Localization Schemes in Wireless Sensor Network
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NETL
NSTL
Trans Tech Publications Ltd
Location information is the most important for wireless sensor network (WSN). Due to the limitation of energy, cost and influence of environment, range-free localization schemes are more suitable for WSN despite of their low localization accuracy. Two methods, which are improved grids SCAN and multiple locating and averaging scheme, are presented to improve localization accuracy of range-free localization schemes and performed through performance evaluation based on ROCRSSI (Ring Overlapping based on Comparison of Received Signal Strength Indicator). By simulation it is concluded that ROCRSSI applying both methods can get better localization performances.
wireless sensor networkrange-free localization schemeimproved grids scanmultiple locating and averaging
Jiawen Hu、Xiaofen Yu、Biao Wang、Zhiqiang Li
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School of Instrument Science and Opto-electronics Engineering (SISOE) Hefei University of Technology (HFUT) No. 193, Tunxi road, Hefei, Anhui, 230009, China
NETL
NSTL
Trans Tech Publications Ltd
