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   Articles with "non line" as a keyword



Geometry-based non-line-of-sight error mitigation and localization in wireless communications

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recommendations! Published in 2019 at "Science China Information Sciences"

DOI: 10.1007/s11432-019-9909-5

Abstract: Recently, positioning services have received considerable attention. The primary source of the positioning error is non-line-of-sight (NLOS) propagation. To address this problem, we propose a novel NLOS mitigation scheme, in which the geometric relationship between… read more here.

Keywords: error; geometry; line sight; non line ... See more keywords

Non-line-of-sight optical scattering communication based on atmospheric inhomogeneity

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recommendations! Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.07.088

Abstract: Abstract In this paper, a new non-line-of-sight (NLOS) propagation model in inhomogeneous atmosphere for long range is presented. The optical scattering communication is simulated, in which the single-scatter propagation model is used and the atmospheric… read more here.

Keywords: atmospheric inhomogeneity; optical scattering; line sight; non line ... See more keywords

Measurement error compensation method for TDOA-based localization under non-line-of-sight conditions

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recommendations! Published in 2025 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/adc760

Abstract: When signals propagate along non-line-of-sight (NLOS) paths, measurement results between sensor network nodes will experience significant errors. Most of the existing time-difference-of-arrival (TDOA) localization methods with higher accuracy require prior knowledge of the NLOS environment… read more here.

Keywords: tdoa; non line; localization; line sight ... See more keywords

Non-line-of-sight transparent object detection and reconstruction based on passive single-pixel imaging

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recommendations! Published in 2021 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/abd8d9

Abstract: Single-pixel imaging (SPI) uses point detectors instead of expensive array sensors to capture images under low light conditions. It therefore provides a solution in detecting objects with weak signals. In this research, we propose a… read more here.

Keywords: non line; transparent object; single pixel; pixel ... See more keywords

Non-Line-of-Sight Three-Dimensional Imaging with a Single-Pixel Camera

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recommendations! Published in 2019 at "Physical Review Applied"

DOI: 10.1103/physrevapplied.12.011002

Abstract: Real time, high resolution 3D reconstruction of scenes hidden from the direct field of view is a challenging field of research with applications in real-life situations related e.g. to surveillance, self-driving cars and rescue missions.… read more here.

Keywords: pixel camera; line sight; non line; single pixel ... See more keywords

Ultrawideband Non-Line-of-Sight Classification Using Transformer-Convolutional Neural Networks

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recommendations! Published in 2025 at "IEEE Access"

DOI: 10.1109/access.2025.3568830

Abstract: Ultrawideband technology enables high-precision indoor positioning, but its performance degrades significantly in non-line-of-sight environments due to signal obstruction. Accurate identification of non-line-of-sight channels is essential for mitigating localization errors. While recent deep learning methods, such… read more here.

Keywords: classification; convolutional neural; non line; line sight ... See more keywords

Leveraging Rough-Relay-Surface Scattering for Non-Line-of-Sight mmWave Radar Sensing

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recommendations! Published in 2024 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2023.3328018

Abstract: Non-line-of-sight (NLOS) sensing is essential for unmanned robots and intelligent transportation systems, as it enables the sensor to detect targets around street corners, reducing the collision risk. Existing NLOS millimeter-wave (mmWave) radar technologies are based… read more here.

Keywords: mmwave radar; relay; non line; geometry ... See more keywords

Efficient Analytical Calculation of Non-Line-of-Sight Channel Impulse Response in Visible Light Communications

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recommendations! Published in 2018 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2017.2786459

Abstract: This study provides an analytical method to calculate the non-line-of-sight (NLoS) channel impulse response (CIR) in visible light communication (VLC) systems based on intensity modulation and direct detection (IM/DD). In this method, the NLoS channel… read more here.

Keywords: impulse response; visible light; line sight; non line ... See more keywords

Performance Analysis of Seamless Rate-Adaptive Non-Line-of-Sight Underwater Optical Wireless Communications With Wavy Surface

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recommendations! Published in 2025 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2025.3616125

Abstract: Non-line-of-sight (NLOS) underwater optical wireless communication (UOWC) systems can provide high-speed data transmission in the environment with channel blockages but are severely affected by channel fading caused by sea waves. In this paper, we propose… read more here.

Keywords: underwater optical; nlos uowc; rate; optical wireless ... See more keywords

Robotic Parasitic Array Control for Increased RSS in Non-Line-of-Sight

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recommendations! Published in 2022 at "IEEE Robotics and Automation Letters"

DOI: 10.1109/lra.2022.3190644

Abstract: Safety, security, and rescue missions typically occur in environments where unreliable wireless communication impedes cooperative human and robot missions. A low-VHF band antenna array formed through the coordination of ground robots has the potential to… read more here.

Keywords: non line; robotic parasitic; line sight; array ... See more keywords

Adaptive Attention Based on Mixture Distribution for Zero-Shot Non-Line-of-Sight Imaging

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recommendations! Published in 2025 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2025.3558458

Abstract: Non-line-of-sight (NLOS) imaging is an ill-posed problem to reconstruct hidden 3D scenes by leveraging photon time-of-flight information from diffusely reflected light. In the existing regularization models, the spatial residuals were handled by a single distribution,… read more here.

Keywords: distribution; mixture distribution; non line; zero shot ... See more keywords