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Journal of Computer Networks and Communications
Volume 2013, Article ID 185138, 12 pages
http://dx.doi.org/10.1155/2013/185138
Review Article

Recent Advances in Wireless Indoor Localization Techniques and System

School of Electrical, Electronics & System Engineering, University Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor, Malaysia

Received 17 May 2013; Accepted 17 August 2013

Academic Editor: Rui Zhang

Copyright © 2013 Zahid Farid et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The advances in localization based technologies and the increasing importance of ubiquitous computing and context-dependent information have led to a growing business interest in location-based applications and services. Today, most application requirements are locating or real-time tracking of physical belongings inside buildings accurately; thus, the demand for indoor localization services has become a key prerequisite in some markets. Moreover, indoor localization technologies address the inadequacy of global positioning system inside a closed environment, like buildings. Based on this, though, this paper aims to provide the reader with a review of the recent advances in wireless indoor localization techniques and system to deliver a better understanding of state-of-the-art technologies and motivate new research efforts in this promising field. For this purpose, existing wireless localization position system and location estimation schemes are reviewed, as we also compare the related techniques and systems along with a conclusion and future trends.