Abstract
Abstract. The advancement of Internet of things (IoT) has revolutionized the field of telecommunication opening the door for interesting applications such as smart cities, resources management, logistics and transportation, wearables and connected healthcare. The emergence of IoT in multiple sectors has enabled the requirement for an accurate real time location information. Location-based services are actually, due to development of networks, sensors, wireless communications and machine learning algorithms, able to collect and transmit data in order to determine the target positions, and support the needs imposed by several applications and use cases. The performance of an indoor positioning system in IoT networks depends on the technical implementation, network architecture, the deployed technology, techniques and algorithms of positioning. This paper highlights the importance of indoor localization in internet of things applications, gives a comprehensive review of indoor positioning techniques and methods implemented in IoT networks, and provides a detailed analysis on recent advances in this field.
Highlights
The position information is an essential component of internet of things applications in indoor and outdoor environments
We aim to provide the reader with the necessary references to acquire the knowledge on positioning process, and to understand the fundamentals of indoor localization systems in internet of things
Many developed technologies are implemented for ILBS (Indoor Location Based Services) have been studied, categorized mainly into infrastructure-based that requires pre-installed hardware such as Radio Frequency Identification (RFID), Infrared Radiation (IR), Bluetooth, Ultra-Wide Band (UWB),etc. and infrastructure-free that utilizes the existing resources that are already available in the environment, such as light-emitting diode (LED) and inertial sensors, these solutions are more attractive due to the low cost and ready-to-deploy characteristics
Summary
The position information is an essential component of internet of things applications in indoor and outdoor environments. Location Based Services are among the most attractive applications related to the IoT, and will serve as the first element of information context in all future applications related to "intelligent environments". The implemented devices has the ability to collect, manage and exchange data in order to estimate location information of target objects. We aim to provide the reader with the necessary references to acquire the knowledge on positioning process, and to understand the fundamentals of indoor localization systems in internet of things. This article provides an overview of all the elements of Indoor localization in IoT system: domains application, multitechnology gateways between objects and networks, telecommunications infrastructures dedicated to IoT and system performance parameters. On the other hand the analysed processes offer the reader new research challenges to be investigated in the future
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