文章基本信息

标题：A Comparative Performance Evaluation of Indoor Geolocation Technologies
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作者：Ahmad HATAMI ; Bardia ALAVI ; Kaveh PAHLAVAN 等
期刊名称：Interdisciplinary Information Sciences
印刷版ISSN：1340-9050
电子版ISSN：1347-6157
出版年度：2006
卷号：12
期号：2
页码：133-146
DOI：10.4036/iis.2006.133
出版社：The Editorial Committee of the Interdisciplinary Information Sciences
摘要：As more location aware services are emerging in the market, the needs for accurate and reliable localization has increased and in response to this need a number of technologies and associated algorithms are introduced in the literature. Severe multipath fading in indoor areas, poses a challenging environment for accurate localization. In this article we provide a comprehensive overview of existing indoor localization techniques. We address the bandwidth requirement, advantages and disadvantages of received-signal-strength (RSS) and time-of-arrival (TOA) based localization algorithms. We describe a repeatable framework for comparative performance evaluation of localization algorithms. Using this framework we compare the performances of two TOA-based and two RSS-based algorithms. The TOA-based algorithms are the least square TOA (LS-TOA) and closest neighbor with TOA grid (CN-TOAG). The RSS-based algorithms are the maximum likelihood estimator and the recently introduced ray tracing assisted closest neighbor (RT-CN).
关键词：indoor geolocation;wireless channel model;localization algorithm;location-aware services;user location tracking