INEMO: Distributed RF-based indoor location determination with confidence indicator

被引：22

作者：

Li, Hongbin ^{[1
]}

Shen, Xingfa ^{[2
]}

Zhao, Jun ^{[1
]}

Wang, Zhi ^{[1
]}

Sun, Youxian ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Ind Control Technol, Hangzhou 310027, Peoples R China

[2] Hangzhou Dianzi Univ, Inst Comp Applicat Technol, Hangzhou 310018, Peoples R China

来源：

EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING | 2008年 / 2008卷 / 1期

基金：

中国国家自然科学基金;

关键词：

Cube granularity - Office cube granularity - Radio signal strength - Room granularity;

D O I：

10.1155/2008/216181

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Using radio signal strength (RSS) in sensor networks localization is an attractive method since it is a cost-efficient method to provide range indication. In this paper, we present a two-tier distributed approach for RF-based indoor location determination. Our approach, namely, INEMO, provides positioning accuracy of room granularity and office cube granularity. A target can first give a room granularity request and the background anchor nodes cooperate to accomplish the positioning process. Anchors in the same room can give cube granularity if the target requires further accuracy. Fixed anchor nodes keep monitoring status of nearby anchors and local reference matching is used to support room separation. Furthermore, we utilize the RSS difference to infer the positioning confidence. The simulation results demonstrate the efficiency of the proposed RF-based indoor location determination. Copyright (c) 2008 Hongbin Li et al.

引用

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