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Indoor Positioning System (IPS) is a crucial technology that enables medical staff and hospital managements to accurately locate and track persons or assets inside the medical buildings. Among other technologies, Bluetooth Low Energy (BLE)…

信号处理 · 电气工程与系统科学 2023-10-24 Silvano Cortesi , Marc Dreher , Michele Magno

Robust localization in a given map is a crucial component of most autonomous robots. In this paper, we address the problem of localizing in an indoor environment that changes and where prominent structures have no correspondence in the map…

机器人学 · 计算机科学 2024-10-28 Nicky Zimmerman , Louis Wiesmann , Tiziano Guadagnino , Thomas Läbe , Jens Behley , Cyrill Stachniss

Autonomous exploration for mapping unknown large scale environments is a fundamental challenge in robotics, with efficiency in time, stability against map corruption and computational resources being crucial. This paper presents a novel…

机器人学 · 计算机科学 2025-07-01 Megha Maheshwari , Sadeigh Rabiee , He Yin , Martin Labrie , Hang Liu , Rajasimman Madhivanan

Label noise in real-world datasets encodes wrong correlation patterns and impairs the generalization of deep neural networks (DNNs). It is critical to find efficient ways to detect corrupted patterns. Current methods primarily focus on…

机器学习 · 计算机科学 2022-06-22 Zhaowei Zhu , Zihao Dong , Yang Liu

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…

机器学习 · 统计学 2017-04-13 Caifa Zhou , Lin Ma , Xuezhi Tan

Received Signal Strength (RSS) fingerprint-based localization has attracted a lot of research effort and cultivated many commercial applications of location-based services due to its low cost and ease of implementation. Many studies are…

网络与互联网体系结构 · 计算机科学 2020-02-05 Bekir Sait Ciftler , Abdullatif Albaseer , Noureddine Lasla , Mohamed Abdallah

An increasingly important requirement for many novel applications is sensing the positions of people, equipment, etc. GPS technology has proven itself as a successfull technology for positioning in outdoor environments but indoor no…

网络与互联网体系结构 · 计算机科学 2010-04-28 Mikkel Baun Kjærgaard

Next generation communication systems require accurate beam alignment to counteract the impairments that characterize propagation in high-frequency bands. The overhead of the pilot sequences required to select the best beam pair is…

信号处理 · 电气工程与系统科学 2024-02-27 Tien Ngoc Ha , Daniel Romero , Roberto López-Valcarce

Many measurement modalities which perform imaging by probing an object pixel-by-pixel, such as via Photoacoustic Microscopy, produce a multi-dimensional feature (typically a time-domain signal) at each pixel. In principle, the many degrees…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Nicholas Pellegrino , Paul Fieguth , Parsin Haji Reza

Spectrum resources management of growing demands is a challenging problem and Cognitive Radio (CR) known to be capable of improving the spectrum utilization. Recently, Power Spectral Density (PSD) map is defined to enable the CR to reuse…

信息论 · 计算机科学 2017-03-17 Mohammad Eslami , Seyed Hamid Safavi , Farah Torkamani-Azar , Esfandiar Mehrshahi

Fingerprinting based WLAN indoor positioning system (FWIPS) provides a promising indoor positioning solution to meet the growing interests for indoor location-based services (e.g., indoor way finding or geo-fencing). FWIPS is preferred…

机器学习 · 统计学 2017-05-18 Caifa Zhou , Yang Gu

Radio maps enrich radio propagation and spectrum occupancy information, which provides fundamental support for the operation and optimization of wireless communication systems. Traditional radio maps are mainly achieved by extensive manual…

信号处理 · 电气工程与系统科学 2025-02-10 Yao Wang , Xin Wu , Lianming Xu , Na Liu , Li Wang

Deep subspace clustering (DSC) algorithms face several challenges that hinder their widespread adoption across variois application domains. First, clustering quality is typically assessed using only the encoder's output layer, disregarding…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Lovro Sindicic , Ivica Kopriva

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

Deep neural networks have gained tremendous success in a broad range of machine learning tasks due to its remarkable capability to learn semantic-rich features from high-dimensional data. However, they often require large-scale labelled…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Hu Wang , Guansong Pang , Chunhua Shen , Congbo Ma

An indoor, real-time location system (RTLS) can benefit both hospitals and patients by improving clinical efficiency through data-driven optimization of procedures. Bluetooth-based RTLS systems are cost-effective but lack accuracy and…

信号处理 · 电气工程与系统科学 2020-09-09 Guanglin Tang , Yulong Yan , Chenyang Shen , Xun Jia , Meyer Zinn , Zipalkumar Trivedi , Alicia Yingling , Kenneth Westover , Steve Jiang

In a world where autonomous driving cars are becoming increasingly more common, creating an adequate infrastructure for this new technology is essential. This includes building and labeling high-definition (HD) maps accurately and…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Mahdi Elhousni , Yecheng Lyu , Ziming Zhang , Xinming Huang

Radio map estimation (RME) involves spatial interpolation of radio measurements to predict metrics such as the received signal strength at locations where no measurements were collected. The most popular estimators nowadays project the…

最优化与控制 · 数学 2024-11-08 Pham Q. Viet , Daniel Romero

Machine learning (ML) has greatly advanced data-driven channel modeling and resource optimization in wireless communication systems. However, most existing ML-based methods rely on large, accurately labeled datasets with location…

信号处理 · 电气工程与系统科学 2025-11-24 Wangqian Chen , Junting Chen , Shuguang Cui

Radio maps (RMs) provide a spatially continuous description of wireless propagation, enabling cross-layer optimization and unifying communication and sensing for integrated sensing and communications (ISAC). However, constructing…

信号处理 · 电气工程与系统科学 2025-12-15 Qiming Zhang , Xiucheng Wang , Nan Cheng , Zhisheng Yin , Xiang Li