各向异性无线传感器网络DV-Hop算法性能仿真  

On the performance of DV-Hop localization algorithm in anisotropic wireless sensor networks

作　　者：梁青[1] 熊伟[2] 韩昊澎[1] 

机构地区：[1]西安邮电大学电子工程学院,陕西西安710121 [2]空军工程大学信息与导航学院,陕西西安710077

出　　处：《西安邮电大学学报》2013年第5期31-36,共6页Journal of Xi’an University of Posts and Telecommunications

基　　金：陕西省教育厅科学研究计划基金资助项目(11JK1013)

摘　　要：针对传统DV-Hop定位算法忽略各向异性网络对定位性能影响的问题,在分析导致网络各向异性原因的基础上,分别对不规则定位区域和不同传播模型对DV-Hop算法定位误差及定位时间的影响程度进行仿真。仿真结果表明,不规则定位区域对算法的定位精度影响较大,相比于规则区域平均多增加了102.26%,而对定位时间的影响程度较小;不规则传播模型则对算法的定位精度及定位时间均有较大影响,相比于不规则程度模型(DOI),不规则感知模型(RIM)对算法性能的影响程度更大。With regard to the problem that the performance of DV-Hop localization algorithm in wireless sensor networks（WSN） is heavily impacted by the anisotropic networks, the influence degree of different propagation models and irregular localization areas which are related to the location errors and positioning time are simulated respectively based on the analysis of reasons leading to the anisotropic network. The simulation results indicate that the irregular localization areas have great influences on the location preci- sion with 102.26 ~ average increase regard to the regular localization areas, and have little influences on the location time. On the other hand, irregular propagation models have greater effects both on location precision and location time. , The influence degree of RIM model to the DV-Hop^s performance is more serious comparing to that of the DOI model.

关 键 词：无线传感器网络 各向异性 DV—Hop算法 传播模型 不规则定位区域 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]