A Highly Efficient Indoor Localization Scheme Based Only on Mobile Terminal

被引:0
作者
Wu, Di [1 ]
Li, Xing [1 ]
Sun, Yongmei [1 ]
Ji, Yuefeng [1 ]
Mao, Jie [2 ]
Liu, Yingting [2 ]
机构
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Gansu Elect Power Corp Informat & Commun Co, Lanzhou 730050, Gansu, Peoples R China
来源
TRUSTWORTHY COMPUTING AND SERVICES | 2014年 / 426卷
基金
中国国家自然科学基金;
关键词
Indoor localization; Mobile terminal; RF fingerprint; Wi-Fi; Sensor;
D O I
10.1007/978-3-662-43908-1_21
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Indoor localization has been paid more and more attention in recent years. However, current localization based on mobile terminal requires remote server. In this paper, a highly efficient indoor localization scheme based only on mobile terminal is proposed. In this scheme, popularized Wi-Fi hot spots are used to generate RF (radio frequency) fingerprint, built-in sensors of the mobile terminal are used to measure displacement of users, and a novel movement filtering algorithm is presented to improve localizing accuracy by taking displacement into account. Without remote server and Internet connecting, the proposed scheme can realize low delay, low energy consuming and secure indoor localization. Experimental results show that this scheme increases the localizing accuracy compared with traditional method.
引用
收藏
页码:161 / 168
页数:8
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