基于改进EWKNN算法的室内定位系统设计与实现  

Design and Implementation of Indoor Localization System Based on Improved EWKNN Algorithmk

作　　者：王艳春[1] 王洋洋 孙劭业 WANG Yanchun;WANG Yangyang;SUN Shaoye(School of Communication and Electronic Engineering,Qiqihar University,Qiqihar 161006,China)

机构地区：[1]齐齐哈尔大学通信与电子工程学院,黑龙江齐齐哈尔161006

出　　处：《长江信息通信》2024年第12期125-127,共3页Changjiang Information & Communications

基　　金：黑龙江省省属高等学校基本科研业务费科研项目(145209150,145109140);齐齐哈尔大学研究生创新科研项目(QUZLTS_CX2023015)。

摘　　要：本研究提出了一种基于改进EWKNN算法的室内定位系统,将在线的AP选择和改进权重系数的EWKNN算法融合后用于室内定位。此外,本文还阐述了基于改进后的EWKNN算法的室内定位系统的开发流程,涵盖了数据库建立方法、EWKNN算法的改进、测试与执行,以及Android客户端的展示。系统的测试结果显示,该定位系统能够在室内无障碍环境中有效地进行定位,具备出色的实时性和高定位精度,能够适应多种室内场景的定位要求。In this study,an indoor localization system based on the improved EWKNN algorithm is proposed,which incorporates online AP selection and the EWKNN algorithm with improved weighting coefficients for indoor localization.In addition,this paper describes the development process of the indoor localization system based on the improved EWKNN algorithm,covering the database establishment method,the improvement of the EWKNN algorithm,the testing and execution,and the demonstration of the Android client.The test results of the system show that the positioning system is able to locate effectively in indoor barrier-free environments with excellent real-time performance and high positioning accuracy,and is able to adapt to the positioning requirements of a variety of indoor scenarios.

关 键 词：室内定位 AP选择 安卓客户端 RSSI 

分 类 号：TN929.5[电子电信—通信与信息系统]