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Related papers: Static vs. Dynamic Databases for Indoor Localizati…

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Machine learning for wireless systems is commonly studied using standardized stochastic channel models (e.g., TDL/CDL/UMa) because of their legacy in wireless communication standardization and their ability to generate data at scale.…

Signal Processing · Electrical Eng. & Systems 2025-12-16 João Morais , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

Recognizing user location with WiFi fingerprints is a popular approach for accurate indoor positioning problems. In this work, our goal is to interpret WiFi fingerprints into actual user locations. However, WiFi fingerprint data can be very…

Machine Learning · Computer Science 2021-01-27 Weizhu Qian , Franck Gechter

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

The accuracy of smartphone-based positioning methods using WiFi usually suffers from ranging errors caused by non-line-of-sight (NLOS) conditions. Previous research usually exploits several statistical features from a long time series…

Signal Processing · Electrical Eng. & Systems 2021-10-11 Yinhuan Dong , Tugrul Arslan

Radio Frequency Fingerprinting (RFF) using deep learning has gained attention as a complementary approach to cryptographic authentication, offering resistance to spoofing, replay attacks, and key leakage. While most RFF approaches rely on…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Fawaz Abdul Razak , Yasin Yilmaz

Accurate and robust indoor localization is critical for smart building applications, yet existing Wi-Fi-based systems are often vulnerable to environmental conditions. This work presents a novel indoor localization system, called LiGen,…

Robotics · Computer Science 2025-10-31 Jie Lin , Hsun-Yu Lee , Ho-Ming Li , Fang-Jing Wu

Industrial Internet of Things (IoT) systems increasingly rely on wireless communication standards. In a common industrial scenario, indoor wireless IoT devices communicate with access points to deliver data collected from industrial…

Machine Learning · Computer Science 2022-11-04 Srđan Šobot , Vukan Ninković , Dejan Vukobratović , Milan Pavlović , Miloš Radovanović

Smart-home sensor data holds significant potential for several applications, including healthcare monitoring and assistive technologies. Existing approaches, however, face critical limitations. Supervised models require impractical amounts…

Artificial Intelligence · Computer Science 2026-02-03 Michele Fiori , Gabriele Civitarese , Flora D. Salim , Claudio Bettini

Device-free Wi-Fi indoor localization has received significant attention as a key enabling technology for many Internet of Things (IoT) applications. Machine learning-based location estimators, such as the deep neural network (DNN), carry…

Networking and Internet Architecture · Computer Science 2021-01-29 Shing-Jiuan Liu , Ronald Y. Chang , Feng-Tsun Chien

The Global Navigation Satellite Systems (GNSS) like GPS suffer from accuracy degradation and are almost unavailable in indoor environments. Indoor positioning systems (IPS) based on WiFi signals have been gaining popularity. However, owing…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Pranav Sankhe , Saqib Azim , Sachin Goyal , Tanya Choudhary , Kumar Appaiah , Sukumar Srikant

Wi-Fi sensing has emerged as a powerful non-intrusive technology for recognizing human activities, monitoring vital signs, and enabling context-aware applications using commercial wireless devices. However, the performance of Wi-Fi sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Fei Wang , Tingting Zhang , Wei Xi , Han Ding , Ge Wang , Di Zhang , Yuanhao Cui , Fan Liu , Jinsong Han , Jie Xu , Tony Xiao Han

Existing localization methods that intensively leverage the environment-specific received signal strength (RSS) or channel state information (CSI) of wireless signals are rather accurate in certain environments. However, these methods,…

Signal Processing · Electrical Eng. & Systems 2023-08-30 Jun Gao , Dongze Wu , Feng Yin , Qinglei Kong , Lexi Xu , Shuguang Cui

The proliferation of wireless localization technologies provides a promising future for serving human beings in indoor scenarios. Their applications include real-time tracking, activity recognition, health care, navigation, emergence…

Networking and Internet Architecture · Computer Science 2010-03-10 Da Zhang , Feng Xia , Zhuo Yang , Lin Yao , Wenhong Zhao

This paper presents a novel WiFi-Visual data fusion method for indoor robot (TIAGO++) localization. This method can use 10 WiFi samples and 4 low-resolution images ($58 \times 58$ in pixels) to localize a indoor robot with an average error…

Robotics · Computer Science 2025-06-19 Yuehua Ding , Jean-Francois Dollinger , Vincent Vauchey , Mourad Zghal

Wi-Fi sensing technology enables non-intrusive, continuous monitoring of user locations and activities, which supports diverse smart home applications. Since different sensing tasks exhibit contextual relationships, their integration can…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Mengning Li , Wenye Wang

Buildings Automation Systems (BAS) are ubiquitous in contemporary buildings, both monitoring building conditions and managing the building system control points. At present, these controls are prescriptive and pre-determined by the design…

Networking and Internet Architecture · Computer Science 2022-08-26 Caroline Quinn , Ali Zargar Shabestari , Marin Litoiu , J. J. McArthur

Indoor localization is a challenging problem that - unlike outdoor localization - lacks a universal and robust solution. Machine Learning (ML), particularly Deep Learning (DL), methods have been investigated as a promising approach.…

Systems and Control · Electrical Eng. & Systems 2024-08-29 Omer Gokalp Serbetci , Daoud Burghal , Andreas F. Molisch

With the rise in high resolution remote sensing technologies there has been an explosion in the amount of data available for forest monitoring, and an accompanying growth in artificial intelligence applications to automatically derive…

The growing number of smart devices supporting bandwidth-intensive and latency-sensitive applications, such as real-time video analytics, smart sensing, Extended Reality (XR), etc., necessitates reliable wireless connectivity in indoor…

Signal Processing · Electrical Eng. & Systems 2026-02-12 Ljupcho Milosheski , Kuon Akiyama , Blaž Bertalanič , Jernej Hribar , Ryoichi Shinkuma

Wi-Fi sensing detects human motions and activities by analysing the channel state information (CSI) derived from Wi-Fi transmissions. However, the impact of variable transmission traffic, which dictates the effective sampling rate and…

Machine Learning · Computer Science 2026-05-12 Guolin Yin , Junqing Zhang , Guanxiong Shen , Simon L. Cotton