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Precise indoor localization is an increasingly demanding requirement for various emerging applications, like Virtual/Augmented reality and personalized advertising. Current indoor environments are equipped with pluralities of WiFi access…

Signal Processing · Electrical Eng. & Systems 2019-11-21 Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xiaojing Chen , George C. Alexandropoulos , Vincent K. N. Lau

In this work, we consider the task of target localization using quantized data in Wireless Sensor Networks (WSNs). We propose an energy efficient localization scheme by modeling it as an iterative classification problem. We design coding…

Applications · Statistics 2016-11-18 Aditya Vempaty , Yunghsiang S. Han , Pramod K. Varshney

We implemented a system able to locate people indoor, with the purpose of providing assistive services. Such approach is particularly important for the Art, for providing information on exhibitions, art galleries and museums, and to allow…

Human-Computer Interaction · Computer Science 2022-12-14 Osvaldo Gervasi , Martina Fortunelli , Riccardo Magni , Damiano Perri , Marco Simonetti

In the context of the emerging Internet of Things (IoT), a proliferation of wireless connectivity can be expected. That ubiquitous wireless communication will be hard to centrally manage and control, and can be expected to be opaque to end…

Cryptography and Security · Computer Science 2017-01-19 Sandra Siby , Rajib Ranjan Maiti , Nils Tippenhauer

The ability to localize and track acoustic events is a fundamental prerequisite for equipping machines with the ability to be aware of and engage with humans in their surrounding environment. However, in realistic scenarios, audio signals…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-22 Christine Evers , Heinrich Loellmann , Heinrich Mellmann , Alexander Schmidt , Hendrik Barfuss , Patrick Naylor , Walter Kellermann

Indoor localization has recently witnessed an increase in interest, due to the potential wide range of services it can provide by leveraging Internet of Things (IoT), and ubiquitous connectivity. Different techniques, wireless technologies…

Networking and Internet Architecture · Computer Science 2019-01-18 Faheem Zafari , Athanasios Gkelias , Kin Leung

Wireless Local Area Networks (WLANs), known as Wi-Fi, have become an essential service in university environments that helps staff, students and guests to access connectivity to the Internet from their mobile devices. Apart from the…

Networking and Internet Architecture · Computer Science 2020-04-06 Farhana Binte Kamrul Easha , Robert Abbas , Matthew Daley

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

This white paper explores future localization and sensing opportunities for beyond 5G wireless communication systems by identifying key technology enablers and discussing their underlying challenges, implementation issues, and identifying…

Data-driven Wi-Fi localization and tracking have shown great promise due to their lower reliance on specialized hardware compared to model-based methods. However, most existing data collection techniques provide only coarse-grained ground…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Zijian Zhao , Tingwei Chen , Fanyi Meng , Zhijie Cai , Hang Li , Xiaoyang Li , Guangxu Zhu

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

WiFi fingerprinting is one of the mainstream technologies for indoor localization. However, it requires an initial calibration phase during which the fingerprint database is built manually. This process is labour intensive and needs to be…

Computers and Society · Computer Science 2021-06-28 Ahmed Shokry , Moustafa Elhamshary , Moustafa Youssef

WiFi offloading is regarded as one of the most promising techniques to deal with the explosive data increase in cellular networks due to its high data transmission rate and low requirement on devices. In this paper, we investigate the…

Information Theory · Computer Science 2016-11-17 Xin Kang , Yeow-Khiang Chia , Sumei Sun , Hon Fah Chong

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

This paper proposes passive WiFi indoor localization. Instead of using WiFi signals received by mobile devices as fingerprints, we use signals received by routers to locate the mobile carrier. Consequently, software installation on the…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Minh Tu Hoang , Brosnan Yuen , Kai Ren , Ahmed Elmoogy , Xiaodai Dong , Tao Lu , Hung Le Nguyen Robert Westendorp , Kishore Reddy Tarimala

The massive sensing data generated by Internet-of-Things will provide fuel for ubiquitous artificial intelligence (AI), automating the operations of our society ranging from transportation to healthcare. The realistic adoption of this…

Information Theory · Computer Science 2019-12-30 Xiaoyang Li , Guangxu Zhu , Kaiming Shen , Wei Yu , Yi Gong , Kaibin Huang

Today, many critical services and industrial systems rely on wireless networks for interaction with the IoT, hence becoming vulnerable to a broad number of cyber-threats. While detecting this kind of attacks is not difficult with common…

Cryptography and Security · Computer Science 2025-09-22 Matteo Repetto , Enrico Cambiaso , Fabio Patrone , Sandro Zappatore

Many localization algorithms and systems have been developed by means of wireless sensor networks for both indoor and outdoor environments. To achieve higher localization accuracy, extra hardware equipments are utilized by most of the…

Networking and Internet Architecture · Computer Science 2012-01-04 Zhikui Chen , Feng Xia , Tao Huang , Fanyu Bu , Haozhe Wang

Urban environments develop complex, non-obvious structures that are often hard to represent in the form of maps or guides. Finding the right place to go often requires intimate familiarity with the location in question and cannot easily be…

Information Retrieval · Computer Science 2016-01-25 Siddharth Sarda , Carsten Eickhoff , Thomas Hofmann

In recent years WiFi became the primary source of information to locate a person or device indoor. Collecting RSSI values as reference measurements with known positions, known as WiFi fingerprinting, is commonly used in various positioning…

Machine Learning · Computer Science 2023-07-18 Kahraman Kostas , Rabia Yasa Kostas , Francisco Zampella , Firas Alsehly