无线传感器网络节点定位研究综述

Research review on wireless sensor networks node localization

深入探讨分析了无线传感器网络定位技术,从无线传感器网络定位算法分类、评价指标、距离相关和距离无关定位算法等方面进行分析,重点对比了几种典型算法,结果表明:不同的算法具有应用环境单一性,应结合实际需求选择合适的算法。研究分析了新型无线传感器网络定位方法,主要包括移动锚节点定位算法、三维空间定位算法和智能定位优化算法。总结当前无线传感器网络定位研究中存在的问题,并给出未来改进的研究方向。

Localization technology of wiress sensor networks（ WSNs） is deeply discussed and analyzed in some aspects such as classification of WSNs localization algorithms,evaluation criteria,range-based and range-free localization algorithms. Several typical algorithms are mainly compared,analysis results show that different algorithms adapt to a single application environment,appropriate algorithm should be selected combined with actual needs. Several new-style localization methods including mobile beacons node localization algorithm,three dimensional space localization algorithm and intelligent localization optimization algorithms are analyzed. Problems exist in WSNs localization research is summarized and improved research direction in the future is given.