%0 Journal Article %T Optimal selection algorithm of beacons in wireless sensor network
无线传感器网络中的信标优化选择算法 %A FU Qin %A LIU Ke-zhong %A CHEN Wei %A ZHANG Jin-fen %A
付琴 %A 刘克中 %A 陈伟 %A 张金奋 %J 计算机应用研究 %D 2010 %I %X For the problem of localization accuracy in wireless sensor network,this paper proposed an optimal selection algorithm of beacons based on distance and CRLB.Analyzed the impact of distance and geometry between beacons and node, and then selected a specific subset of beacons that minimize the CRLB over all possible subsets.The experiment and simulation results show that the proposed algorithm performs well compare with the beacon selection algorithm based on distance, and meanwhile,it also provides reference for selecting an optimal beacon subset to improve localization accuracy or reduce computation. %K wireless sensor network %K node localization %K beacon selection %K Cramer-Rao lower bound(CRLB)
无线传感器网络 %K 节点定位 %K 信标选择 %K Cramer-Rao下界 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=E2A2A094F0B2656336853056795CAA59&yid=140ECF96957D60B2&vid=DB817633AA4F79B9&iid=59906B3B2830C2C5&sid=2D491611B5FAFEA1&eid=615907906DB297D3&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=10