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A Genetic Localization Scheme Based on Similarity in Wireless Heterogeneous Networks
Author(s): 
Pages: 7-12
Year: Issue:  4
Journal: Wireless Communication Technology

Keyword:  无线异构网络定位方法遗传算法RSSITOA;
Abstract: 定位技术是无线异构网络的关键技术之一,目标跟踪、辅助路由、网络管理等诸多网络功能的实现都依赖于对目标位置的准确定位.本文研究单基站WCDMA与WLAN构成的异构网络中节点定位问题,通过引入相似度确定初始种群,提出一种基于遗传算法的无线异构网络定位方法.算法利用WCDMA基站存在视距路线时的高精度TOA测距值,并采用了相似度的分析手段,对遗传算法中的初始群体进行选择.仿真结果表明,由于综合了两个网络的测距信息,且同时采用TOA测距值和相似度来确定初始群体,算法定位精度较高.
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