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- research-articleMay 2024
LiteWiSys: A Lightweight System for WiFi-based Dual-task Action Perception
ACM Transactions on Sensor Networks (TOSN), Volume 20, Issue 4Article No.: 78, Pages 1–19https://doi.org/10.1145/3632177As two important contents in WiFi-based action perception, detection and recognition require localizing motion regions from the entire temporal sequences and classifying the corresponding categories. Existing approaches, though yielding reasonably ...
- research-articleMarch 2024
Multiply Complementary Priors for Image Compressive Sensing Reconstruction in Impulsive Noise
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Volume 20, Issue 6Article No.: 170, Pages 1–22https://doi.org/10.1145/3643032Impulsive noise is always present in real-world image Compressive Sensing (CS) acquisition systems, where existing CS reconstruction performance may seriously deteriorate. In this article, we propose a robust CS formulation for image reconstruction to ...
- research-articleMarch 2024
MetaFormer: Domain-Adaptive WiFi Sensing with Only One Labelled Target Sample
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 8, Issue 1Article No.: 39, Pages 1–27https://doi.org/10.1145/3643550WiFi based action recognition has attracted increasing attentions due to its convenience and universality in real-world applications, whereas the domain dependency leads to poor generalization ability towards new sensing environments or subjects. The ...
- research-articleJanuary 2024
CDFi: Cross-Domain Action Recognition Using WiFi Signals
IEEE Transactions on Mobile Computing (ITMV), Volume 23, Issue 8Pages 8463–8477https://doi.org/10.1109/TMC.2023.3348939Contactless WiFi based human action recognition exhibits remarkable prospects in the fields such as human-computer interaction and smart home. However, domain dependency restricts its generalization into the real-world deployment. Since it is expensive to ...
- research-articleOctober 2023
RoSeFi: A Robust Sedentary Behavior Monitoring System With Commodity WiFi Devices
IEEE Transactions on Mobile Computing (ITMV), Volume 23, Issue 5Pages 6470–6489https://doi.org/10.1109/TMC.2023.3321306Sedentary behaviors are shown to be hazardous to human health. Detecting sedentary behaviors in a ubiquitous way can be realized by the promising WiFi sensing technique. The accurate detection of sedentary behaviors is determined by the accurate ...
- research-articleMay 2023
BreatheBand: A Fine-grained and Robust Respiration Monitor System Using WiFi Signals
ACM Transactions on Sensor Networks (TOSN), Volume 19, Issue 4Article No.: 82, Pages 1–18https://doi.org/10.1145/3582079Respiration is a vital indicator of the state of the human body. Monitoring human respiration enables the realization of a variety of intelligent applications, including smart medical and sleep monitoring. Traditional methods that are dependent upon ...
- research-articleMarch 2023
Cooperative Jamming-Aided Secure Communication in Wireless Powered Sensor Networks
IEEE Transactions on Dependable and Secure Computing (TDSC), Volume 21, Issue 2Pages 764–774https://doi.org/10.1109/TDSC.2023.3262040Cooperative jamming (CJ) is a promising technique for enhancing the physical-layer security in wireless powered sensor networks. The secrecy performance of CJ-aided wireless powered sensor networks is affected by three issues including disguised ...
- ArticleJune 2021
TS-Net: Device-Free Action Recognition with Cross-Modal Learning
Wireless Algorithms, Systems, and ApplicationsPages 404–415https://doi.org/10.1007/978-3-030-85928-2_32AbstractInternet of Things (IoT) brings opportunities for wireless sensing and device-free action recognition becomes a hot topic for recognizing human activities. Existing works are trying to fuse WiFi and traditional vision modality in a straightforward ...
- research-articleOctober 2020
Performance analysis of indoor localization based on channel state information ranging model
Mobihoc '20: Proceedings of the Twenty-First International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile ComputingPages 191–200https://doi.org/10.1145/3397166.3409150Due to robustness against multi-path effect, channel state information (CSI) of Orthogonal Frequency Division Multiplexing (OFDM) systems is supposed to provide accurate distance measurement for indoor localization. However, we find that the original ...
- research-articleFebruary 2020
Energy-efficient alternating iterative secure structure of maximizing secrecy rate for directional modulation networks
AbstractIn a directional modulation (DM) network, the issues of security and privacy have taken on an increasingly important role. Since the power allocation of confidential message and artificial noise will make a constructive effect on the ...
- articleOctober 2017
Reference Anchor Selection and Global Optimized Solution for DV-Hop Localization in Wireless Sensor Networks
Wireless Personal Communications: An International Journal (WPCO), Volume 96, Issue 4Pages 5995–6005https://doi.org/10.1007/s11277-017-4459-xLocalization is a fundamental issue in wireless sensor networks (WSN). Among typical range-free localization algorithms, distance vector-hop (DV-Hop) is preferred as it can localize unknown nodes with less than three neighbor anchors. However, the ...
- research-articleJanuary 2015
Improvement of range-free localization technology by a novel DV-hop protocol in wireless sensor networks
Localization is a fundamental issue for many applications in wireless sensor networks. Without the need of additional ranging devices, the range-free localization technology is a cost-effective solution for low-cost indoor and outdoor wireless sensor ...