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   Articles with "csi based" as a keyword



CeHAR: CSI-Based Channel-Exchanging Human Activity Recognition

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recommendations! Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3224134

Abstract: Despite the intense effort from the research community, state-of-the-art WiFi-based human activity recognition (HAR) performance remains unsatisfactory. Current approaches usually use individual characteristics of CSI, i.e., amplitude or phase measurements, to model the relationship between… read more here.

Keywords: cehar csi; human activity; channel exchanging; cehar ... See more keywords

CSI-Based Human Activity Recognition via Lightweight CNN Model and Data Augmentation

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3414168

Abstract: Human activity recognition (HAR) involves detecting users’ actions through the analysis of sensor and other data types using AI. While cameras and sensor data are often limited by privacy concerns and technical limitations, researchers have… read more here.

Keywords: csi based; human activity; data augmentation; activity recognition ... See more keywords

Modeling and Quantitative Analysis of Motion Detection in CSI-Based Sensing

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3201152

Abstract: Channel state information (CSI) based sensing approaches have unique advantages for fine-grained motion sensing. However, due to the mismatch between the sensing position and detection probability, mapping motion-sensing precision to optimal detection zones is an… read more here.

Keywords: motion detection; motion; based sensing; detection ... See more keywords

CSI-Based MIMO Indoor Positioning Using Attention-Aided Deep Learning

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recommendations! Published in 2024 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3335408

Abstract: Location-based services have become an indispensable component of wireless networks, but high-precision positioning is challenging. With the application of multiple-input multiple-output (MIMO) in 5G, accurate channel state information (CSI) can be obtained and leveraged for… read more here.

Keywords: deep learning; csi based; attention; mimo indoor ... See more keywords

CSI-Based Physical Layer Authentication via Deep Learning

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3180901

Abstract: CSI-Based physical layer authentication is a promising candidate to achieve fast and lightweight authentication for wireless communication. However, the current methods usually cannot achieve initial authentication and are susceptible to channel noise. Besides, the current… read more here.

Keywords: authentication; physical layer; layer authentication; deep learning ... See more keywords

Performance of CSI-Based Power Control and NOMA/OMA Switching for Uplink Underlay Networks With Imperfect SIC

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recommendations! Published in 2022 at "IEEE Transactions on Cognitive Communications and Networking"

DOI: 10.1109/tccn.2022.3185076

Abstract: In a multiuser underlay uplink network, we show that despite the fact that the transmit powers are constrained by the interference temperature limit (ITL) imposed by the primary network, allowing upto two users to concurrently… read more here.

Keywords: oma switching; noma oma; underlay networks; csi based ... See more keywords

DeepCRF: Deep Learning-Enhanced CSI-Based RF Fingerprinting for Channel-Resilient WiFi Device Identification

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recommendations! Published in 2024 at "IEEE Transactions on Information Forensics and Security"

DOI: 10.1109/tifs.2024.3515796

Abstract: This paper presents DeepCRF, a new framework that harnesses deep learning to extract subtle micro-signals from channel state information (CSI) measurements, enabling robust and resilient radio-frequency fingerprinting (RFF) of commercial-off-the-shelf (COTS) WiFi devices across diverse… read more here.

Keywords: deep learning; device identification; identification; csi based ... See more keywords

CSI-Based Location-Independent Human Activity Recognition Using Feature Fusion

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recommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2022.3216419

Abstract: Channel state information (CSI)-based human activity recognition (HAR) has important application prospects, such as smart homes, medical monitoring, and public security. Due to the collected CSI data contains not only activity information but also activity-unrelated… read more here.

Keywords: recognition; feature fusion; activity; activity recognition ... See more keywords

CSI-Based NOMA With EM Algorithm for ISAC

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recommendations! Published in 2025 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2025.3552828

Abstract: Channel state information (CSI)-based sensing can interfere with communication signals in existing wireless networks. To address this and achieve integrated sensing and communication (ISAC) with higher spectral efficiency, in this letter, we propose a novel… read more here.

Keywords: csi based; isac; communication; channel estimation ... See more keywords

GrapHAR: A Lightweight Human Activity Recognition Model by Exploring the Sub-Carrier Correlations

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recommendations! Published in 2024 at "IEEE Transactions on Wireless Communications"

DOI: 10.1109/twc.2023.3302861

Abstract: Human activity recognition (HAR) is an important task due to its far-reaching applications, such as surveillance, healthcare systems, and human-computer interaction. Recently, Channel State Information (CSI)-based HAR has attracted increasing attention in the research community… read more here.

Keywords: csi based; human activity; recognition; model ... See more keywords

CSI-based sliding window fingerprinting method tailored for a signal blocking environment in VLP systems.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.478309

Abstract: In visible light indoor positioning systems, the localization performance of the received signal strength (RSS)-based fingerprinting algorithm would drop dramatically due to the occlusion of the line-of-sight (LOS) signal caused by randomly moving people or… read more here.

Keywords: sliding window; method; window fingerprinting; window ... See more keywords