English
Related papers

Related papers: MORIC: CSI Delay-Doppler Decomposition for Robust …

200 papers

With the IEEE 802.11bf Task Group introducing amendments to the WLAN standard for advanced sensing, interest in using Wi-Fi Channel State Information (CSI) for remote sensing has surged. Recent findings indicate that learning a unified…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Navid Hasanzadeh , Shahrokh Valaee

Wi-Fi Channel State Information (CSI) has gained increasing interest for remote sensing applications. Recent studies show that Doppler velocity projections extracted from CSI can enable human activity recognition (HAR) that is robust to…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Navid Hasanzadeh , Shahrokh Valaee

This paper presents a novel hybrid deep learning framework designed to enhance the robustness of CSI-based Human Activity Recognition (HAR) within bandwidth-constrained Wi-Fi sensing environments. The core of our proposed methodology is a…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Alison M. Fernandes , Hermes I. Del Monego , Bruno S. Chang , Anelise Munaretto , Hélder M. Fontes , Rui Campos

Recent research has shown that human motions and positions can be recognized through WiFi signals. The key intuition is that different motions and positions introduce different multi-path distortions in WiFi signals and generate different…

Signal Processing · Electrical Eng. & Systems 2018-10-30 Heju Li , Xukai Chen , Haohua Du , Xin He , Jianwei Qian , Peng-Jun Wan , Panlong Yang

Passive sensing techniques based on Wi-Fi signals have emerged as a promising technology in advanced wireless communication systems due to their widespread application and cost-effectiveness. However, the proliferation of low-cost Internet…

Systems and Control · Electrical Eng. & Systems 2023-11-13 Junshuo Liu , Fuhai Wang , Zhe Li , Rujing Xiong , Tiebin Mi , Robert Caiming Qiu

We address Human Activity Recognition (HAR) utilizing Wi-Fi Channel State Information (CSI) under the joint requirements of causal interpretability, symbolic controllability, and direct operation on high-dimensional raw signals. Deep neural…

Human Activity Recognition (HAR) is an emerging technology with several applications in surveillance, security, and healthcare sectors. Noninvasive HAR systems based on Wi-Fi Channel State Information (CSI) signals can be developed…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ishtiaque Ahmed Showmik , Tahsina Farah Sanam , Hafiz Imtiaz

In this article we present SHARP, an original approach for obtaining human activity recognition (HAR) through the use of commercial IEEE 802.11 (Wi-Fi) devices. SHARP grants the possibility to discern the activities of different persons,…

Signal Processing · Electrical Eng. & Systems 2022-11-08 Francesca Meneghello , Domenico Garlisi , Nicolò Dal Fabbro , Ilenia Tinnirello , Michele Rossi

Anatomical movements of the human body can change the channel state information (CSI) of wireless signals in an indoor environment. These changes in the CSI signals can be used for human activity recognition (HAR), which is a predominant…

Human-Computer Interaction · Computer Science 2022-05-04 Hojjat Salehinejad , Shahrokh Valaee

WiFi and security pose both an issue and act as a growing presence in everyday life. Today's motions detection implementations are severely lacking in the areas of secrecy, scope, and cost. To combat this problem, we aim to develop a motion…

Signal Processing · Electrical Eng. & Systems 2019-08-23 Sadhana Lolla , Amy Zhao

Wi-Fi-based human activity recognition (HAR) has emerged as a promising approach for contactless sensing, leveraging channel state information (CSI) collected from wireless transceivers. While existing studies have primarily concentrated on…

Signal Processing · Electrical Eng. & Systems 2026-05-21 Amirhossein Mohammadi , Hina Tabassum

Quite a few people in the world have to stay under permanent surveillance for health reasons; they include diabetic people or people with some other chronic conditions, the elderly and the disabled.These groups may face heightened risk of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Anna Nedorubova , Alena Kadyrova , Aleksey Khlyupin

Ambient computing is gaining popularity as a major technological advancement for the future. The modern era has witnessed a surge in the advancement in healthcare systems, with viable radio frequency solutions proposed for remote and…

Machine Learning · Computer Science 2023-04-20 Muhammad Zakir Khan , Jawad Ahmad , Wadii Boulila , Matthew Broadbent , Syed Aziz Shah , Anis Koubaa , Qammer H. Abbasi

Human activity recognition (HAR) holds significant importance in smart homes, security, and healthcare. Existing systems face limitations because of the insufficient spatial diversity provided by a limited number of antennas. Furthermore,…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Junshuo Liu , Yunlong Huang , Wei Yang , Zhe Li , Rujing Xiong , Tiebin Mi , Xin Shi , Robert C. Qiu

Human Activity Recognition (HAR) is the identification and classification of static and dynamic human activities, which find applicability in domains like healthcare, entertainment, security, and cyber-physical systems. Traditional HAR…

Signal Processing · Electrical Eng. & Systems 2025-01-27 Nuno Paulino , Mariana Oliveira , Francisco Ribeiro , Luís Outeiro , Pedro A. Lopes , Francisco Vilarinho , Sofia Inácio , Luís M. Pessoa

Human Activity Recognition (HAR) is a fundamental technology for numerous human - centered intelligent applications. Although deep learning methods have been utilized to accelerate feature extraction, issues such as multimodal data mixing,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Ying Yu , Siyao Li , Yixuan Jiang , Hang Xiao , Jingxi Long , Haotian Tang , Hanyu Liu , Chao Li

The phase of the channel state information (CSI) is underutilized as a source of information in wireless sensing due to its sensitivity to synchronization errors of the signal reception. A linear transformation of the phase is commonly…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Guillermo Diaz , Iker Sobron , Iñaki Eizmendi , Iratxe landa , Manuel Velez

In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

Artificial Intelligence · Computer Science 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

Human activity recognition (HAR) is fundamental in human-robot collaboration (HRC), enabling robots to respond to and dynamically adapt to human intentions. This paper introduces a HAR system combining a modular data glove equipped with…

Indoor human activity recognition (HAR) explores the correlation between human body movements and the reflected WiFi signals to classify different activities. By analyzing WiFi signal patterns, especially the dynamics of channel state…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Parisa Fard Moshiri , Hojjat Navidan , Reza Shahbazian , Seyed Ali Ghorashi , David Windridge
‹ Prev 1 2 3 10 Next ›