WiFi-Based Indoor Line-of-Sight Identification
نویسندگان
چکیده
منابع مشابه
Comparison of WiFi-based indoor positioning techniques
Indoor positioning systems is an actively researched area of computer science. Various techniques, methods and applications were developed in the last decade. This paper gives a brief comparison of trilateriation and fingerprinting techniques. Received signal strength of WiFi access points were used during the tests. Standard, genetic algorithm and simulated annealing based trilateriation metho...
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Location data are among the most widely used contextual data in context-aware and ubiquitous computing applications. Numerous systems with distinct deployment costs and levels of positioning accuracy have been developed over the past decade for indoor positioning purposes. The most useful method focuses on the received signal strength (RSS) and provides a set of signal transmission access point...
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The WiFi-based indoor localization problem (WILP) aims to detect the location of a client device given the signals received from various access points. WILP is a complex and very important task for many AI and ubiquitous computing applications. A major approach to solving this task is through machine learning, where upto-date labeled training data are required in a large scale indoor environmen...
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Recently, there has been much interest in accurate determination of mobile user locations in cellular environments. A general approach to this geolocation problem is to gather time-of-arrival measurements from a number of base stations (BSs) and to estimate user locations using the traditional least square approach. However, in non-line-of-sight (NLOS) situations, measurements are significantly...
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Today 90% of the world population spend their most of the time in indoor premises like houses ,offices , shopping malls etc. So there is a need of a navigation system in these places like airport, railway station, shopping malls. But GPS does not work in these areas due to various regions like multipath and indoor signal blockage. Therefore there is a need for an Indoor Localisation System (ILS...
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ژورنال
عنوان ژورنال: IEEE Transactions on Wireless Communications
سال: 2015
ISSN: 1536-1276
DOI: 10.1109/twc.2015.2448540