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| 1 | 基于图论模糊聚类的室内自适应RSSI定位算法显示文摘针对现有RSSI定位算法无法满足室内环境下对目标的自适应定位,提出一种基于图论模糊聚类的室内自适应RSSI定位算法IAL-GT-FC。算法根据室内环境下各区域RSSI分布的差异性,建立基于图论和模糊聚类的RSSI模糊聚类模型,并基于该模型将定位区域自适应划分成若干环境差异较小的子区域;通过建立参数自适应规则,自适应调整各子区域内的环境参数,使其满足该区域内RSSI测距的需要;结合该区域内的环境参数,通过建立相邻区域间的RSSI补偿机制对未知节点进行RSSI测距补偿;最后采用权重质心法对未知节点进行位置求解。通过实验,证明该算法具有较高的定位精度和较强的自适应能力,能够满足室内环境下对目标的精确定位。 | 高鹏 石为人 周伟 王小刚 李洪兵 | 2013 | 仪器仪表学报2013，34，9： | 16 |
| 2 | 3DT-PP:localization and path planning of mobile anchors over complex 3D terrains显示文摘Mobile anchors are widely used for localization in WSNs.However,special properties over 3D terrains limit the implementation of them.In this paper,a novel 3D localization algorithm is proposed,called 3 DT-PP,which utilizes path planning of mobile anchors over complex 3 D terrains,and simulations based upon the model of mountain surface network are conducted.The simulation results show that the algorithm decreases the position error by about 91%,8.7%and lowers calculation overhead by about 75%,1.3%,than the typical state-of-the-art localization algorithm(i.e.,'MDS-MAP','Landscape-3D').Thus,our algorithm is more potential in practical WSNs which are the characteristic of limited energy and 3D deployment. | 王瑞锦 Qin Zhiguang Li Dongfen Chen Dajing Wang Jiahao | 2014 | High Technology Letters2014，20，4： | 1 |
| 3 | MPLPK:A mobile path localization protocol based on key nodes显示文摘To alleviate the localization error introduced by irregular sensor network deployment,a new mobile path localization based on key nodes(MPLPK) protocol is proposed.It can recognize all concave/convex nodes in the network as fixed anchor nodes,and simplify the following localization process based on these key nodes.The MPLPK protocol is composed of three steps.After all key nodes are found in the network,a mobile node applying improved minimum spanning tree(MST)algorithm is introduced to traverse and locate them.By taking the concave/convex nodes as anchors,the complexity of the irregular network can be degraded.And the simulation results demonstrate that MPLPK has 20%to 40%accuracy improvements than connectivity-based and anchor-free three-dimensional localization(CATL) and approximate convex decomposition based localization(ACDL). | 王佳昊 Bao Honglai Yang Xiaoming Wang Ruijin Qin Zhiguang | 2015 | High Technology Letters2015，21，2： | 0 |
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