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In this paper, we introduce two indoor Wireless Local Area Network (WLAN) positioning methods using augmented sparse recovery algorithms. These schemes render a sparse user's position vector, and in parallel, minimize the distance between…

Networking and Internet Architecture · Computer Science 2016-10-20 Ali Khalajmehrabadi , Nikolaos Gatsis , Daniel Pack , David Akopian

Indoor location-based services rely on the availability of sufficiently accurate positioning in indoor spaces. A popular approach to positioning relies on so-called radio maps that contain pairs of a vector of Wi-Fi signal strength…

Databases · Computer Science 2023-03-01 Xiao Li , Huan Li , Harry Kai-Ho Chan , Hua Lu , Christian S. Jensen

With the growing integration of location based services (LBS) such as GPS in mobile devices, indoor position systems (IPS) have become an important role for research. There are several IPS methods such as AOA, TOA, TDOA, which use…

Networking and Internet Architecture · Computer Science 2019-07-02 Erick Schmidt , David Akopian

One major bottleneck in the practical implementation of received signal strength (RSS) based indoor localization systems is the extensive deployment efforts required to construct the radio maps through fingerprinting. In this paper, we aim…

Networking and Internet Architecture · Computer Science 2013-10-15 Sameh Sorour , Yves Lostanlen , Shahrokh Valaee

Recently, location-based services (LBS) have steered attention to indoor positioning systems (IPS). WLAN-based IPSs relying on received signal strength (RSS) measurements such as fingerprinting are gaining popularity due to proven high…

Networking and Internet Architecture · Computer Science 2019-07-02 Erick Schmidt , David Akopian

With the recent development in mobile computing devices and as the ubiquitous deployment of access points(APs) of Wireless Local Area Networks(WLANs), WLAN based indoor localization systems(WILSs) are of mounting concentration and are…

Machine Learning · Statistics 2017-04-13 Caifa Zhou , Lin Ma , Xuezhi Tan

WiFi technology has been used pervasively in fine-grained indoor localization, gesture recognition, and adaptive communication. Achieving better performance in these tasks generally boils down to differentiating Line-Of-Sight (LOS) from…

Robotics · Computer Science 2020-02-06 Sahib Singh Dhanjal , Maani Ghaffari , Ryan M. Eustice

In this paper, we propose an indoor localization system employing ordered sequence of access points (APs) based on received signal strength (RSS). Unlike existing indoor localization systems, our approach does not require any time-consuming…

Networking and Internet Architecture · Computer Science 2016-03-23 Ran Liu , Chau Yuen , Jun Zhao , Jindong Guo , Ronghong Mo , Vishesh N Pamadi , Xiang Liu

Indoor positioning systems exploiting WLAN signal measurements such as Received Signal Strength (RSS) are gaining popularity due to high accuracy of the results. Sets of RSS and other measurements at designated locations from available WLAN…

Signal Processing · Electrical Eng. & Systems 2019-02-18 Erick Schmidt , Misbahuddin A. Mohammed , David Akopian

WiFi fingerprint-based indoor localization schemes deliver highly accurate location data by matching the received signal strength indicator (RSSI) with an offline database using machine learning (ML) or deep learning (DL) models. However,…

Cryptography and Security · Computer Science 2025-10-09 Fariha Tanjim Shifat , Sayma Sarwar Ela , Mosarrat Jahan

Indoor positioning systems (IPS) are emerging technologies due to an increasing popularity and demand in location based service (LBS). Because traditional positioning systems such as GPS are limited to outdoor applications, many IPS have…

Signal Processing · Electrical Eng. & Systems 2019-07-08 Erick Schmidt , David Akopian

Indoor Positioning Systems (IPS) traditionally rely on odometry and building infrastructures like WiFi, often supplemented by building floor plans for increased accuracy. However, the limitation of floor plans in terms of availability and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Zhaoguang Yi , Xiangyu Wen , Qiyue Xia , Peize Li , Francisco Zampella , Firas Alsehly , Chris Xiaoxuan Lu

Simultaneous localization and mapping (SLAM) has been richly researched in past years particularly with regard to range-based or visual-based sensors. Instead of deploying dedicated devices that use visual features, it is more pragmatic to…

Accurate indoor node localization is critical for practical Wireless Sensor Network (WSN) applications, as Global Positioning System (GPS) fails to provide reliable Line-of-Sight (LoS) conditions in most indoor environments. Real-world…

Networking and Internet Architecture · Computer Science 2025-05-26 Ze Zhang , Qian Dong

Location tracking systems are increasingly becoming the focus of research in the field of Wireless Sensor Network (WSN). Received Signal Strength (RSS)-based localization systems are at the forefront of tracking research applications. Radio…

Networking and Internet Architecture · Computer Science 2013-08-09 Tareq Alhmiedat , Ghassan Samara , Amer O. Abu Salem

Indoor localization systems are most commonly based on Received Signal Strength Indicator (RSSI) measurements of either WiFi or Bluetooth-Low-Energy (BLE) beacons. In such systems, the two most common techniques are trilateration and…

Networking and Internet Architecture · Computer Science 2020-06-17 Ramdoot Pydipaty , Johnu George , Krishna Selvaraju , Amit Saha

In wireless networks, radio-map based locating techniques are commonly used to cope the complex fading feature of radio signal, in which a radio-map is built by calibrating received signal strength (RSS) signatures at training locations in…

Networking and Internet Architecture · Computer Science 2016-11-17 Xiongfeng Geng , Yongcai Wang , Haoran Feng , Zhoufeng Chen

The main limitation that constrains the fast and comprehensive application of Wireless Local Area Network (WLAN) based indoor localization systems with Received Signal Strength (RSS) positioning algorithms is the building of the…

Networking and Internet Architecture · Computer Science 2017-04-04 Caifa Zhou , Andreas Wieser , Xuezhi Tan

This paper studies the indoor localisation of WiFi devices based on a commodity chipset and standard channel sounding. First, we present a novel shallow neural network (SNN) in which features are extracted from the channel state information…

Machine Learning · Computer Science 2020-10-20 Peizheng Li , Han Cui , Aftab Khan , Usman Raza , Robert Piechocki , Angela Doufexi , Tim Farnham

Due to the noisy indoor radio propagation channel, Radio Frequency (RF)-based location determination systems usually require a tedious calibration phase to construct an RF fingerprint of the area of interest. This fingerprint varies with…

Networking and Internet Architecture · Computer Science 2016-05-10 Rizanne Elbakly , Moustafa Youssef
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