You are currently on the new version of our website. Access the old version .

35 Results Found

  • Article
  • Open Access
2,149 Views
17 Pages

Sparse wavelength division multiplex (WDM) enabled distributed satellite cluster networks (DSCNs) have emerged as a promising architecture to accommodate future extensive applications. Networking of the DSCNs will face the challenges of explosively i...

  • Article
  • Open Access
328 Views
23 Pages

ObsBattery: Position-Aware Federated Learning with Dueling DQN Clustering and Training Adaptation for Satellite Battery Prediction

  • Shuo Jiang,
  • Boyu Wang,
  • Xuan Zhang,
  • Yaoxian Jiang,
  • Shuyi Liu,
  • Zhenyu Zhao,
  • Ruide Li and
  • Xiao Chen

28 November 2025

Satellite battery status prediction is crucial for ensuring the healthy operation of future satellite constellations. However, traditional telemetry-based methods, where satellite battery status is transmitted in real time to ground stations for proc...

  • Article
  • Open Access
18 Citations
7,305 Views
23 Pages

An Efficient Multi-Dimensional Resource Allocation Mechanism for Beam-Hopping in LEO Satellite Network

  • Shengjun Guo,
  • Kai Han,
  • Wenbin Gong,
  • Lu Li,
  • Feng Tian and
  • Xinglong Jiang

29 November 2022

Low Earth Orbit (LEO) satellite communication networks have become an important means to provide internet access services for areas with limited infrastructure. Compared with the Geostationary Earth Orbit (GEO) satellites, the LEO satellites have lim...

  • Article
  • Open Access
3 Citations
2,077 Views
16 Pages

NDN-Based Coded Caching Strategy for Satellite Networks

  • Zhiguo Liu,
  • Xiaoyong Jin,
  • Yifan Li and
  • Luxi Zhang

6 September 2023

To solve the transmission correlation issue arising from traditional named data networking (NDN) caching during segmenting contents, where users must obtain data blocks related to the requested file blocks to recover the source data, in this paper, w...

  • Article
  • Open Access
652 Views
26 Pages

A Hybrid-Weight TOPSIS and Clustering Approach for Optimal GNSS Station Selection in Multi-GNSS Precise Orbit Determination

  • Weitong Jin,
  • Xing Li,
  • Liang Chen,
  • Chuanzhen Sheng,
  • Yongqiang Yuan,
  • Keke Zhang,
  • Xingxing Li,
  • Jingkui Zhang,
  • Xulun Zhang and
  • Baoguo Yu

26 October 2025

The accuracy of Precise Orbit Determination (POD) for Global Navigation Satellite Systems (GNSS) critically depends on optimal tracking station selection. This study proposed and validates a novel framework that integrates a hybrid-weight Technique f...

  • Article
  • Open Access
1 Citations
1,476 Views
13 Pages

Suppression of Fading Noise in Satellite-Mediated Continuous-Variable Quantum Key Distribution via Clusterization

  • Zhiyue Zuo,
  • Wenqi Peng,
  • Hui Xian,
  • Wenqi Jiang,
  • Hao Luo,
  • Sha Xiong and
  • Ying Guo

18 August 2023

The satellite-mediated continuous-variable quantum key distribution (CV-QKD) protocol, which relies on off-the-shelf telecommunication components, has the potential for a global quantum communication network with all-day operation. However, the trans...

  • Article
  • Open Access
28 Citations
7,208 Views
15 Pages

Land Cover Classification from Multispectral Data Using Computational Intelligence Tools: A Comparative Study

  • André Mora,
  • Tiago M. A. Santos,
  • Szymon Łukasik,
  • João M. N. Silva,
  • António J. Falcão,
  • José M. Fonseca and
  • Rita A. Ribeiro

15 November 2017

This article discusses how computational intelligence techniques are applied to fuse spectral images into a higher level image of land cover distribution for remote sensing, specifically for satellite image classification. We compare a fuzzy-inferenc...

  • Article
  • Open Access
1,094 Views
22 Pages

Masked and Clustered Pre-Training for Geosynchronous Satellite Maneuver Detection

  • Shu-He Tian,
  • Yu-Qiang Fang,
  • Hua-Fei Diao,
  • Di Luo and
  • Ya-Sheng Zhang

28 August 2025

Geosynchronous satellite maneuver detection is critical for enhancing space situational awareness and inferring satellite intent. However, traditional methods often require high-quality orbital sequence data and heavily rely on hand-crafted features,...

  • Article
  • Open Access
1 Citations
1,359 Views
14 Pages

Locating Strong Electromagnetic Pulses Recorded by a Single Satellite with Cluster Analysis and Worldwide Lightning Location Network Observations

  • Zongxiang Li,
  • Baofeng Cao,
  • Wenjuan Zhang,
  • Xiaoqiang Li,
  • Xiong Zhang,
  • Yongli Wei,
  • Xiao Li,
  • Changjiao Duan and
  • Peng Li

27 November 2024

The integration of satellite-borne and ground-based global lightning location networks offers a better perspective to study lightning processes and their evolutionary characteristics within thunderstorm clouds, thereby bolstering the predictive capab...

  • Article
  • Open Access
2,364 Views
25 Pages

14 November 2022

Backbone satellites in a space information network (SIN) can be used as air base stations or data relay satellites (DRSs) to realize cross-system, cross-network and long-distance relay transmission. In this paper, a traffic load optimization problem...

  • Feature Paper
  • Article
  • Open Access
7 Citations
4,246 Views
11 Pages

Urban Logistics through River: A Two-Echelon Distribution Model

  • Angie Ramirez-Villamil,
  • Jairo R. Montoya-Torres and
  • Anicia Jaegler

18 June 2023

Studies that use rivers in a last-mile delivery context are scarce. This research considers the first multimodal alternative based on a barge for parcel delivery activities. It proposes two sustainable network designs for a two-echelon distribution....

  • Article
  • Open Access
1 Citations
2,986 Views
17 Pages

4 October 2023

We present a novel approach to providing greater insight into the characteristics of an unlabelled dataset, increasing the efficiency with which labelled datasets can be created. We leverage dimension-reduction techniques in combination with autoenco...

  • Article
  • Open Access
3 Citations
5,106 Views
21 Pages

A Runtime-Scalable and Hardware-Accelerated Approach to On-Board Linear Unmixing of Hyperspectral Images

  • Alberto Ortiz,
  • Alfonso Rodríguez,
  • Raúl Guerra,
  • Sebastián López,
  • Andrés Otero,
  • Roberto Sarmiento and
  • Eduardo De la Torre

12 November 2018

Space missions are facing disruptive innovation since the appearance of small, lightweight, and low-cost satellites (e.g., CubeSats). The use of commercial devices and their limitations in cost usually entail a decrease in available on-board computin...

  • Article
  • Open Access
1 Citations
2,285 Views
35 Pages

28 September 2022

The traditional on-board centralized-distributed mission negotiation architecture has poor security and reliability. It can easily give rise to the collapse of the whole system when the master node is attacked by malicious nodes. To address this issu...

  • Article
  • Open Access
7 Citations
2,770 Views
18 Pages

An Efficient Group-Based Replica Placement Policy for Large-Scale Geospatial 3D Raster Data on Hadoop

  • Zhipeng Liu,
  • Weihua Hua,
  • Xiuguo Liu,
  • Dong Liang,
  • Yabo Zhao and
  • Manxing Shi

5 December 2021

Geospatial three-dimensional (3D) raster data have been widely used for simple representations and analysis, such as geological models, spatio-temporal satellite data, hyperspectral images, and climate data. With the increasing requirements of resolu...

  • Article
  • Open Access
4 Citations
4,401 Views
18 Pages

16 January 2020

Satellite and reanalysis precipitation products perform poorly over regions with low-density ground observation networks. In order to improve space-dependent parameterization of precipitation estimation models in data-scarce environments, the delinea...

  • Technical Note
  • Open Access
8 Citations
6,561 Views
20 Pages

Bias in Deep Neural Networks in Land Use Characterization for International Development

  • Do-Hyung Kim,
  • Guzmán López,
  • Diego Kiedanski,
  • Iyke Maduako,
  • Braulio Ríos,
  • Alan Descoins,
  • Naroa Zurutuza,
  • Shilpa Arora and
  • Christopher Fabian

24 July 2021

Understanding the biases in Deep Neural Networks (DNN) based algorithms is gaining paramount importance due to its increased applications on many real-world problems. A known problem of DNN penalizing the underrepresented population could undermine t...

  • Communication
  • Open Access
1 Citations
2,089 Views
14 Pages

6 October 2022

High-precision rainfall information is of great importance for the improvement of the accuracy of numerical weather prediction and the monitoring of floods and mudslides that affect human life. With the rapid development of satellite constellation ne...

  • Article
  • Open Access
12 Citations
4,267 Views
17 Pages

2 November 2022

Predicting the shape evolution and movement of remote sensing satellite cloud images is a difficult task requiring the effective monitoring and rapid prediction of thunderstorms, gales, rainstorms, and other disastrous weather conditions. We proposed...

  • Article
  • Open Access
13 Citations
4,093 Views
18 Pages

Optimization of Rain Gauge Networks for Arid Regions Based on Remote Sensing Data

  • Mona Morsy,
  • Ruhollah Taghizadeh-Mehrjardi,
  • Silas Michaelides,
  • Thomas Scholten,
  • Peter Dietrich and
  • Karsten Schmidt

22 October 2021

Water depletion is a growing problem in the world’s arid and semi-arid areas, where groundwater is the primary source of fresh water. Accurate climatic data must be obtained to protect municipal water budgets. Unfortunately, the majority of these ari...

  • Article
  • Open Access
1 Citations
1,562 Views
20 Pages

8 September 2025

Carbon satellites, as the most direct means of observing carbon dioxide globally, offer credible and scientifically robust methods for estimating carbon emissions. To enhance the accuracy and timeliness of urban-scale carbon emission estimates, this...

  • Article
  • Open Access
20 Citations
5,357 Views
23 Pages

LSTM-Based Prediction of Mediterranean Vegetation Dynamics Using NDVI Time-Series Data

  • Christos Vasilakos,
  • George E. Tsekouras and
  • Dimitris Kavroudakis

16 June 2022

Vegetation index time-series analysis of multitemporal satellite data is widely used to study vegetation dynamics in the present climate change era. This paper proposes a systematic methodology to predict the Normalized Difference Vegetation Index (N...

  • Article
  • Open Access
1 Citations
2,318 Views
13 Pages

Type II Cells in the Human Carotid Body Display P2X7 Receptor and Pannexin-1 Immunoreactivity

  • Marcos Anache,
  • Ramón Méndez,
  • Olivia García-Suárez,
  • Patricia Cuendias,
  • Graciela Martínez-Barbero,
  • Elda Alba,
  • Teresa Cobo,
  • Iván Suazo,
  • José A. Vega and
  • Yolanda García-Mesa
  • + 1 author

29 October 2025

The carotid body is a peripheral chemoreceptor that consists of clusters of chemoreceptive type I cells, glia-like type II cells, afferent and efferent nerves, and sinusoidal capillaries and arterioles. Cells and nerves communicate through reciprocal...

  • Article
  • Open Access
4 Citations
1,628 Views
30 Pages

5 November 2024

This study introduces a global land cover clustering using an unsupervised algorithm, incorporating the novel step of filtering data to retain only temporally stable pixels before applying K-means clustering. Unlike previous approaches that did not a...

  • Review
  • Open Access
19 Citations
4,117 Views
16 Pages

Social Network and Bibliometric Analysis of Unmanned Aerial Vehicle Remote Sensing Applications from 2010 to 2021

  • Jingrui Wang,
  • Shuqing Wang,
  • Dongxiao Zou,
  • Huimin Chen,
  • Run Zhong,
  • Hanliang Li,
  • Wei Zhou and
  • Kai Yan

24 July 2021

Unmanned Aerial Vehicle (UAV) Remote sensing (RS) has unique advantages over traditional satellite RS, including convenience, high resolution, affordability and fast acquisition speed, making it widely used in many fields. To provide an overview of t...

  • Article
  • Open Access
27 Citations
3,735 Views
18 Pages

An Innovative Fingerprint Location Algorithm for Indoor Positioning Based on Array Pseudolite

  • Lu Huang,
  • Xingli Gan,
  • Baoguo Yu,
  • Heng Zhang,
  • Shuang Li,
  • Jianqiang Cheng,
  • Xiaohu Liang and
  • Boyuan Wang

12 October 2019

Since the signals of the global navigation satellite system (GNSS) are blocked by buildings, accurate positioning cannot be achieved in an indoor environment. Pseudolite can simulate similar outdoor satellite signals and can be used as a stable and r...

  • Article
  • Open Access
11 Citations
3,097 Views
12 Pages

Estimation of Spatial-Temporal Distribution of Grazing Intensity Based on Sheep Trajectory Data

  • Xiantao Fan,
  • Chuanzhong Xuan,
  • Mengqin Zhang,
  • Yanhua Ma and
  • Yunqi Meng

14 February 2022

In the arid grasslands of northern China, unreasonable grazing methods can reduce the water content and species numbers of grassland vegetation. This project uses solar-powered GPS collars to obtain track data for sheep grazing. In order to eliminate...

  • Article
  • Open Access
99 Citations
8,566 Views
22 Pages

Many scholars have conducted in-depth research on the theme of land use change and food security, and formed fruitful research results, but there is a lack of quantitative analysis and comprehensive evaluation of research achievements. Therefore, bas...

  • Article
  • Open Access
3 Citations
2,648 Views
19 Pages

Machine Learning-Based Harvest Date Detection and Prediction Using SAR Data for the Vojvodina Region (Serbia)

  • Gordan Mimić,
  • Amit Kumar Mishra,
  • Miljana Marković,
  • Branislav Živaljević,
  • Dejan Pavlović and
  • Oskar Marko

2 April 2025

Information on the harvest date of crops can help with logistics management in the agricultural industry, planning machinery operations and also with yield prediction modelling. In this study, the determination and prediction of harvest dates for dif...

  • Article
  • Open Access
10 Citations
6,613 Views
23 Pages

20 April 2023

With methods for processing remote sensing data becoming widely available, the ability to quantify changes in spatial data and to evaluate the distribution of diverse landforms across target areas in datasets becomes increasingly important. One way t...

  • Article
  • Open Access
1 Citations
9,708 Views
31 Pages

14 November 2024

Remote sensing techniques provide crucial insights into ancient settlement patterns in various regions by uncovering previously unknown archaeological sites and clarifying the topological features of known ones. Meanwhile, in the northern part of the...

  • Article
  • Open Access
96 Citations
17,509 Views
27 Pages

12 July 2019

More than 50% of the world’s population consumes rice. Accurate and up-to-date information on rice field extent is important to help manage food and water security. Currently, field surveys or MODIS satellite data are used to estimate rice growing ar...

  • Article
  • Open Access
4 Citations
5,284 Views
23 Pages

24 August 2018

Machine learning-based remote-sensing techniques have been widely used for the production of specific land cover maps at a fine scale. P-learning is a collection of machine learning techniques for training the class descriptors on the positive sample...

  • Article
  • Open Access
17 Citations
4,447 Views
21 Pages

Global and Regional High-Resolution VTEC Modelling Using a Two-Step B-Spline Approach

  • Andreas Goss,
  • Michael Schmidt,
  • Eren Erdogan and
  • Florian Seitz

8 April 2020

The ionosphere is one of the largest error sources in GNSS (Global Navigation Satellite Systems) applications and can cause up to several meters of error in positioning. Especially for single-frequency users, who cannot correct the ionospheric delay,...