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This contribution describes S-BLE, a data set created for supporting the design of robust and reliable Be-In-Be-Out systems in public transit. S-BLE was recorded by the smartphones of 28 participants during their daily transit routines in a…

Other Computer Science · Computer Science 2025-12-30 Jonathan Lam , Roberto Manduchi

Bluetooth Low Energy (BLE) CTE transmissions provide in-phase and quadrature (IQ) samples whose empirical statistics are strongly governed by the propagation regime. in particular, the distributions differ markedly between line-of-sight…

Information Theory · Computer Science 2026-02-03 Hamed Talebian , Aamir Mahmood , Mikael Gidlund

Diffusion Transformers currently lead the field in high-quality video generation, but their slow iterative denoising process and prohibitive quadratic attention costs for long sequences create significant inference bottlenecks. While both…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Youping Gu , Xiaolong Li , Yuhao Hu , Minqi Chen , Bohan Zhuang

Beam-excited higher order modes (HOM) in accelerating cavities contain transverse beam position information. Previous studies have narrowed down three modal options for beam position diagnostics in the third harmonic 3.9 GHz cavities at…

Accelerator Physics · Physics 2012-08-13 P. Zhang , N. Baboi , N. Eddy , B. Fellenz , R. M. Jones , B. Lorbeer , T. Wamsat , M. Wendt

Autonomous vehicles and mobile robotic systems are typically equipped with multiple sensors to provide redundancy. By integrating the observations from different sensors, these mobile agents are able to perceive the environment and estimate…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Changhao Chen , Stefano Rosa , Chris Xiaoxuan Lu , Bing Wang , Niki Trigoni , Andrew Markham

As the mobile communication network evolves over the past few decades, localizing user equipment (UE) has become an important network service. While localization in line-of-sight (LoS) scenarios has reached a level of maturity, it is known…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

Deploying speech enhancement (SE) systems in wearable devices, such as smart glasses, is challenging due to the limited computational resources on the device. Although deep learning methods have achieved high-quality results, their…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-21 Heitor R. Guimarães , Ke Tan , Juan Azcarreta , Jesus Alvarez , Prabhav Agrawal , Ashutosh Pandey , Buye Xu

High accuracy localisation technologies exist but are prohibitively expensive to deploy for large indoor spaces such as warehouses, factories, and supermarkets to track assets and people. However, these technologies can be used to lend…

Networking and Internet Architecture · Computer Science 2019-05-31 Aftab Khan , Tim Farnham , Roget Kou , Usman Raza , Thajanee Premalal , Aleksandar Stanoev , William Thompson

The location fingerprinting method, which typically utilizes supervised learning, has been widely adopted as a viable solution for the indoor positioning problem. Many indoor positioning datasets are imbalanced. Models trained on imbalanced…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Fahad Alhomayani , Mohammad H. Mahoor

In this paper, a deep learning approach is presented for direction of arrival estimation using automotive-grade ultrasonic sensors which are used for driving assistance systems such as automatic parking. A study and implementation of the…

Signal Processing · Electrical Eng. & Systems 2022-02-28 Mohamed Shawki Elamir , Heinrich Gotzig , Raoul Zoellner , Patrick Maeder

Recently, commercial ultra-wideband (UWB) transceivers have enabled not only measuring device-to-device distance but also tracking the position of a pedestrian who does not carry a UWB device. UWB-based device-free localization that does…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Hyun Seok Lee

This study focuses on the development of an ultrasonic leak detection system utilizing the Arduino Nano 33 BLE Sense Rev2 board. The research aimed to create a compact and cost-effective solution for identifying leaks in high-pressure…

Signal Processing · Electrical Eng. & Systems 2025-09-29 Senol Gulgonul

Synchronization is a fundamental enabler for low-power backscatter communication systems, where passive or semi-passive tags modulate ambient RF signals for ultra-low-power data transfer. In this survey, we review recent advances in…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-03 Wenyuan Jiang , Shuo Guo

The current optimization approaches of construction machinery are mainly based on internal sensors. However, the decision of a reasonable strategy is not only determined by its intrinsic signals, but also very strongly by environmental…

Robotics · Computer Science 2020-11-06 Yusheng Xiang , Dianzhao Li , Tianqing Su , Quan Zhou , Christine Brach , Samuel S. Mao , Marcus Geimer

Hand tracking is an important aspect of human-computer interaction and has a wide range of applications in extended reality devices. However, current hand motion capture methods suffer from various limitations. For instance, visual-based…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Qiang Zhang , Yuanqiao Lin , Yubin Lin , Szymon Rusinkiewicz

Understanding the sleep quality and architecture is essential to human being's health, which is usually represented using multiple sleep stages. A standard sleep stage determination requires Electroencephalography (EEG) signals during the…

Signal Processing · Electrical Eng. & Systems 2019-09-26 Yuezhou Zhang , Zhicheng Yang , Ke Lan , Xiaoli Liu , Zhengbo Zhang , Peiyao Li , Desen Cao , Jiewen Zheng , Jianli Pan

In cellular systems, the user equipment (UE) can request a change in the frequency band when its rate drops below a threshold on the current band. The UE is then instructed by the base station (BS) to measure the quality of candidate bands,…

Networking and Internet Architecture · Computer Science 2020-09-15 Faris B. Mismar , Ahmad AlAmmouri , Ahmed Alkhateeb , Jeffrey G. Andrews , Brian L. Evans

The Bethe-Salpeter equation (BSE) can provide an accurate description of low-energy optical spectra of insulating crystals - even when excitonic effects are important. However, due to high computational costs it is only possible to include…

Utilizing mobile phone cameras for continuous blood pressure (BP) monitoring presents a cost-effective and accessible approach, yet it is challenged by limitations in accuracy and interpretability. This study introduces four innovative…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Ivan Liu , Fangyuan Liu , Qi Zhong , Shiguang Ni

As the number of vehicles continues to grow, parking spaces are at a premium in city streets. Additionally, due to the lack of knowledge about street parking spaces, heuristic circling the blocks not only costs drivers' time and fuel, but…

Human-Computer Interaction · Computer Science 2016-03-02 Ruizhi Liao , Cristian Roman , Peter Ball , Shumao Ou , Liping Chen