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Sensors, Volume 24, Issue 16

August-2 2024 - 371 articles

Cover Story: Low Earth Orbit (LEO) satellites show significant potential for use in the global Internet of Things; however, the Doppler effect complicates Long Range (LoRa) uplink connectivity. This work assesses LEO satellite efficiency against Doppler effects using Artificial Intelligence techniques, tracking the Globalstar system and the International Space Station from Australia for 24 h starting 1 January 2024. We model the constellations, calculate latency and frequency offset, and develop a hybrid model to predict the Doppler profiles. The packet delivery exceeds 91% with optimal metadata settings. The model achieves 97.51% accuracy at Signal to Noise Ratios of 0–30 dB. Further research on LoRa Doppler effects and atmospheric factors is recommended. View this paper
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Articles (371)

  • Article
  • Open Access
1 Citations
1,793 Views
17 Pages

Non-Tectonic Geohazards of Guangdong Province, China, Monitored Using Sentinel-1A/B from 2015 to 2022

  • Jincang Liu,
  • Zhenhua Fu,
  • Lipeng Zhou,
  • Guangcai Feng,
  • Yilin Wang and
  • Wulinhong Luo

22 August 2024

Guangdong Province, home to 21 cities and a permanent population of 127.06 million people, boasts the largest provincial economy in China, contributing 11.76% to the national GDP in 2023. However, it is prone to geological hazards due to its geologic...

  • Article
  • Open Access
1 Citations
1,614 Views
19 Pages

22 August 2024

The use of a micropile group is an effective method for small and medium-sized slope management. However, there is limited research on the pile–soil interaction mechanism of micropile groups. Based on transparent soil and PIV technology, a test...

  • Article
  • Open Access
3 Citations
2,315 Views
19 Pages

Adaptive Sensing Data Augmentation for Drones Using Attention-Based GAN

  • Namkyung Yoon,
  • Kiseok Kim,
  • Sangmin Lee,
  • Jin Hyoung Bai and
  • Hwangnam Kim

22 August 2024

Drones have become essential tools across various industries due to their ability to provide real-time data and perform automated tasks. However, integrating multiple sensors on a single drone poses challenges such as payload limitations and data man...

  • Article
  • Open Access
1 Citations
4,112 Views
24 Pages

22 August 2024

This study introduces an innovative approach by incorporating statistical offset features, range profiles, time–frequency analyses, and azimuth–range–time characteristics to effectively identify various human daily activities. Our t...

  • Review
  • Open Access
14 Citations
7,946 Views
39 Pages

From Near-Sensor to In-Sensor: A State-of-the-Art Review of Embedded AI Vision Systems

  • William Fabre,
  • Karim Haroun,
  • Vincent Lorrain,
  • Maria Lepecq and
  • Gilles Sicard

22 August 2024

In modern cyber-physical systems, the integration of AI into vision pipelines is now a standard practice for applications ranging from autonomous vehicles to mobile devices. Traditional AI integration often relies on cloud-based processing, which fac...

  • Article
  • Open Access
2,113 Views
23 Pages

ACSwinNet: A Deep Learning-Based Rigid Registration Method for Head-Neck CT-CBCT Images in Image-Guided Radiotherapy

  • Kuankuan Peng,
  • Danyu Zhou,
  • Kaiwen Sun,
  • Junfeng Wang,
  • Jianchun Deng and
  • Shihua Gong

22 August 2024

Accurate and precise rigid registration between head-neck computed tomography (CT) and cone-beam computed tomography (CBCT) images is crucial for correcting setup errors in image-guided radiotherapy (IGRT) for head and neck tumors. However, conventio...

  • Article
  • Open Access
4 Citations
1,811 Views
26 Pages

Optimizing Indoor Airport Navigation with Advanced Visible Light Communication Systems

  • Manuela Vieira,
  • Manuel Augusto Vieira,
  • Gonçalo Galvão,
  • Paula Louro,
  • Pedro Vieira and
  • Alessandro Fantoni

22 August 2024

This study presents a novel approach to enhancing indoor navigation in crowded multi-terminal airports using visible light communication (VLC) technology. By leveraging existing luminaires as transmission points, encoded messages are conveyed through...

  • Article
  • Open Access
6 Citations
5,411 Views
30 Pages

22 August 2024

This paper presents a new edge detection process implemented in an embedded IoT device called Bee Smart Detection node to detect catastrophic apiary events. Such events include swarming, queen loss, and the detection of Colony Collapse Disorder (CCD)...

  • Article
  • Open Access
1 Citations
1,502 Views
17 Pages

22 August 2024

The Two-Photon Absorption–Transient Current Technique (TPA-TCT) is a device characterisation technique that enables three-dimensional spatial resolution. Laser light in the quadratic absorption regime is employed to generate excess charge carri...

  • Review
  • Open Access
3 Citations
3,062 Views
28 Pages

Research Progress on Saccharide Molecule Detection Based on Nanopores

  • Bohua Yin,
  • Wanyi Xie,
  • Shaoxi Fang,
  • Shixuan He,
  • Wenhao Ma,
  • Liyuan Liang,
  • Yajie Yin,
  • Daming Zhou,
  • Zuobin Wang and
  • Deqiang Wang

22 August 2024

Saccharides, being one of the fundamental molecules of life, play essential roles in the physiological and pathological functions of cells. However, their intricate structures pose challenges for detection. Nanopore technology, with its high sensitiv...

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Sensors - ISSN 1424-8220