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Detecting UAVs is becoming more crucial for various industries such as airports and nuclear power plants for improving surveillance and security measures. Exploiting radio frequency (RF) based drone control and communication enables a…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Sanjoy Basak , Sreeraj Rajendran , Sofie Pollin , Bart Scheers

With the emerge of the Internet of Things (IoT), localization within indoor environments has become inevitable and has attracted a great deal of attention in recent years. Several efforts have been made to cope with the challenges of…

Information Theory · Computer Science 2022-11-17 Ashkan Goharfar , Jaber Babaki , Mehdi Rasti , Pedro H. J. Nardelli

Dynamic spectrum access (DSA) is regarded as an effective and efficient technology to share radio spectrum among different networks. As a secondary user (SU), a DSA device will face two critical problems: avoiding causing harmful…

Machine Learning · Computer Science 2018-10-30 Hao-Hsuan Chang , Hao Song , Yang Yi , Jianzhong Zhang , Haibo He , Lingjia Liu

While fingerprinting localization is favored for its effectiveness, it is hindered by high data acquisition costs and the inaccuracy of static database-based estimates. Addressing these issues, this letter presents an innovative indoor…

Machine Learning · Computer Science 2024-01-12 Jiyu Jiao , Xiaojun Wang , Chenpei Han , Yuhua Huang , Yizhuo Zhang

Multi-source fusion positioning is one of the technical frameworks for obtaining sufficient indoor positioning accuracy. In order to evaluate the effect of multi-source fusion positioning, it is necessary to establish a fusion error model.…

Signal Processing · Electrical Eng. & Systems 2022-01-19 Haojun Ai , Kaifeng Tang , Sheng Zhang , Yuhong Yang

Widespread adoption of indoor positioning systems based on WiFi fingerprinting is at present hindered by the large efforts required for measurements collection during the offline phase. Two approaches were recently proposed to address such…

Networking and Internet Architecture · Computer Science 2019-04-03 Giuseppe Caso , Luca De Nardis , Filip Lemic , Vlado Handziski , Adam Wolisz , Maria-Gabriella Di Benedetto

Outdoor positioning systems based on the Global Navigation Satellite System have several shortcomings that have deemed their use for indoor positioning impractical. Location fingerprinting, which utilizes machine learning, has emerged as a…

Machine Learning · Computer Science 2022-05-31 Fahad Alhomayani , Mohammad H. Mahoor

Deep neural networks (DNNs) have greatly benefited direction of arrival (DoA) estimation methods for speech source localization in noisy environments. However, their localization accuracy is still far from satisfactory due to the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Kuan-Lin Chen , Ching-Hua Lee , Bhaskar D. Rao , Harinath Garudadri

Fingerprint localization has gained significant attention due to its cost-effective deployment, low complexity, and high efficacy. However, traditional methods, while effective for static data, often struggle in dynamic environments where…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Jiyu Jiao , Xiaojun Wang , Chengpei Han

Radio fingerprinting provides a reliable and energy-efficient IoT authentication strategy. By mapping inputs onto a very large feature space, deep learning algorithms can be trained to fingerprint large populations of devices operating…

Networking and Internet Architecture · Computer Science 2019-04-17 Francesco Restuccia , Salvatore D'Oro , Amani Al-Shawabka , Mauro Belgiovine , Luca Angioloni , Stratis Ioannidis , Kaushik Chowdhury , Tommaso Melodia

A multiple classifiers fusion localization technique using received signal strengths (RSSs) of visible light is proposed, in which the proposed system transmits different intensity modulated sinusoidal signals by LEDs and the signals…

Machine Learning · Statistics 2017-12-21 Xiansheng Guo , Sihua Shao , Nirwan Ansari , Abdallah Khreishah

Long-range (LoRa) communication technology, distinguished by its low power consumption and long communication range, is widely used in the Internet of Things. Nevertheless, the LoRa MAC layer adopts pure ALOHA for medium access control,…

Multiagent Systems · Computer Science 2024-07-19 Ziqi Lin , Xu Zhang , Shimin Gong , Lanhua Li , Zhou Su , Bo Gu

Deep learning has revolutionized numerous fields, yet the reliability of Deep Neural Networks (DNNs) remains a concern due to their complexity and data dependency. Traditional software fault localization methods, such as Spectrum-based…

Artificial Intelligence · Computer Science 2025-01-28 Soroush Hashemifar , Saeed Parsa , Akram Kalaee

Accurate and robust wireless localization is a key enabler for a wide range of mobile computing applications. Fingerprint-based localization using channel state information (CSI) has attracted significant attention due to its high accuracy…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Haoyu Huang , Guangjin Pan , Kaixuan Huang , Shunqing Zhang , Yuhao Zhang , Musa Furkan Keskin , Zheng Xing , Henk Wymeersch

The localization problem in a wireless sensor network is to determine the coordination of sensor nodes using the known positions of some nodes (called anchors) and corresponding noisy distance measurements. There is a variety of different…

Optimization and Control · Mathematics 2014-09-19 Pouya Mollaebrahim Ghari , Reza Shahbazian , Seyed Ali Ghorashi

Due to the indoor none-line-of-sight (NLoS) propagation and multi-access interference (MAI), it is a great challenge to achieve centimeter-level positioning accuracy in indoor scenarios. However, the sixth generation (6G) wireless…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Yang Wu , Yinghua Wang , Jie Huang , Cheng-Xiang Wang , Chen Huang

Despite the notable success of deep neural networks (DNNs) in solving complex tasks, the training process still remains considerable challenges. A primary obstacle is the substantial time required for training, particularly as high…

Machine Learning · Computer Science 2025-09-09 Viet Hoang Pham , Hyo-Sung Ahn

We propose a simple architecture for deep reinforcement learning by embedding inputs into a learned Fourier basis and show that it improves the sample efficiency of both state-based and image-based RL. We perform infinite-width analysis of…

Machine Learning · Computer Science 2021-12-07 Alexander C. Li , Deepak Pathak

Software fault localization remains challenging due to limited feature diversity and low precision in traditional methods. This paper proposes a novel approach that integrates multi-objective optimization with deep learning models to…

Software Engineering · Computer Science 2024-11-27 Xiaolei Hu , Dongcheng Li , W. Eric Wong , Ya Zou

Wireless sensor networks consist of randomly distributed sensor nodes for monitoring targets or areas of interest. Maintaining the network for continuous surveillance is a challenge due to the limited battery capacity in each sensor.…

Machine Learning · Computer Science 2023-10-03 Ngoc Bui , Phi Le Nguyen , Viet Anh Nguyen , Phan Thuan Do