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Specific Requirements Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (WPANs) Amendment 1: Add Alternate PHYs, IEEE Standard for Information Technology Telecommunications and Information Exchange between Systems, August 2007.

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• TITLE: Comparison of Indoor Localization Systems Based on Wireless Communications

  AUTHORS: Rejane Dalce, Thierry Val, Adrien Van Den Bossche

  KEYWORDS: Wireless Sensor Networks (WSNs), Localization, Range-Based, Range-Free

  JOURNAL NAME: Wireless Engineering and Technology, Vol.2 No.4, October 24, 2011

  ABSTRACT: Localization using a Wireless Sensor Network (WSN) has become a field of interest for researchers in the past years. This information is expected to aid in routing, systems maintenance and health monitoring. For example, many projects aiming to monitor the elderly at home include a personal area network (PAN) which can provide current location of the patient to the medical staff. This article presents an overview of the current trends in this domain. We introduce the mathematical tools used to determine position then we introduce a selection of range-free and range-based proposals. Finally, we provide a comparison of these techniques and suggest possible areas of improvement.