-
421
Design of Satellite-Based FSO/QKD Systems Using GEO/LEOs for Multiple Wireless Users
Published 2023-01-01“…This article proposes the design of a global-scale free-space optics/quantum key distribution (FSO/QKD) network based on a geosynchronous (GEO) satellite as the secret key source and low-Earth orbit (LEO) satellites as relay nodes for multiple legitimate users on the ground. …”
Get full text
Article -
422
Doppler-Aided Positioning for Fused LEO Navigation Systems
Published 2023-10-01“…Fused LEO navigation systems have been proposed as a low-cost means of supplementing and backing up global navigation satellite system (GNSS) navigation services based on low-earth orbit (LEO) constellations, which means broadcasting navigation signals based on the spectrum and hardware of the currently planned communication constellation. …”
Get full text
Article -
423
Modelling, Investigation, and Feasibility of Stratospheric Broadband mm-Wave 5G and beyond Networks for Aviation
Published 2020-11-01“…In addition, the aircraft–SB 5G network is compared to the most recent low-Earth orbit (LEO) Internet satellites where the proposed system is expected to provide low latency, less atmospheric attenuation, longer aircraft–SB link duration, and very low handover rate.…”
Get full text
Article -
424
Caching-Aware Intelligent Handover Strategy for LEO Satellite Networks
Published 2021-06-01“…Recently, many Low Earth Orbit (LEO) satellite networks are being implemented to provide seamless communication services for global users. …”
Get full text
Article -
425
Design and Evaluation of Dynamic Topology for Mega Constellation Networks
Published 2023-04-01“…Due to numerous Low Earth Orbit (LEO) satellites, urgent analysis of many temporary inter-satellite links (ISLs) is necessary for mega constellation networks. …”
Get full text
Article -
426
Cooperative Caching and Resource Allocation in Integrated Satellite–Terrestrial Networks
Published 2024-03-01“…Due to the rapid development of low earth orbit satellite constellations, e.g., Starlink, OneWeb, etc., integrated satellite-terrestrial networks have been viewed as a promising paradigm to globally provide satellite internet services for users. …”
Get full text
Article -
427
Trajectory Approximation of a Coulomb Drag-Based Deorbiting
Published 2022-11-01“…The presence of a number of space debris in low Earth orbits poses a serious threat for current spacecraft operations and future space missions. …”
Get full text
Article -
428
A Disruption Tolerant Distributed Routing Algorithm in LEO Satellite Networks
Published 2022-04-01“…The low earth orbit (LEO) constellation network has become a promising approach to provide global communication services, due to its advantages in wide global coverage, low transmission delay, and convenient networking. …”
Get full text
Article -
429
Enhancing Satellite Non-Terrestrial Networks Through Advanced Constellation Management: Optimizing In-Orbit Resources for NB-IoT
Published 2024-01-01“…It addresses the challenges of managing the operations of Low Earth Orbit (LEO) constellations for the Internet of Things (IoT), emphasizing intermittent connectivity and resource constraints. …”
Get full text
Article -
430
Research on EDAC Schemes for Memory in Space Applications
Published 2021-02-01“…For commercial memories used in low Earth orbit (LEO), single-bit errors and double-byte errors account for a large proportion. …”
Get full text
Article -
431
An optimum magnetic control torque generation of a momentum bias satellite
Published 2016-09-01“…This paper describes a comparison study of magnetic attitude control torque generation performance of a momentum bias satellite operated in Low Earth Orbit (LEO) with various orbit inclinations. …”
Get full text
Article -
432
Comparison and Evaluation of Numerical Techniques and Physico-Chemical Algorithms for the Simulation of an Iodine and Xenon Powered Ion Thrusters
Published 2022-06-01“…It is assumed that the thruster is in vacuum conditions propelling a CubeSat in low Earth orbit. Iodine is chosen here as the propellant under test. …”
Get full text
Article -
433
Robust Symbol Timing Synchronization for Initial Access under LEO Satellite Channel
Published 2023-10-01“…This paper proposes a robust symbol timing synchronization scheme for return link initial access based on the Digital Video Broadcasting-Return Channel via Satellite 2nd generation (DVB-RCS2) system for the Low Earth Orbit (LEO) satellite channel. In most cases, the feedforward estimator structure is considered for implementing Time Division Multiple Access (TDMA) packet demodulators such as the DVB-RCS2 system. …”
Get full text
Article -
434
Ionospheric Electron Density Concurrently Derived by TIP and GOX of FORMOSAT-3/COSMIC
Published 2009-01-01“…Meanwhile, a technique of the low earth orbit (LEO) tomography is applied to analyze theGOX data obtaining the 3D distribution of ionosphere electron density. …”
Get full text
Article -
435
Nonlinear Optics for Frequency-Doubling in Nanosatellite Laser Communication
Published 2017“…However, while satellite-to-ground optical communication has been tested from low Earth orbit and the Moon, intersatellite optical links are still an area of active research and development. …”
Get full text
Article -
436
Developing a Platform for Expanding AUV exploRation to Longer ranges (PEARL)
Published 2022“…PEARL is an autonomous floating platform that utilizes renewable energy to recharge docked AUVs, while simultaneously uploading their mission data to a high-bandwidth low-Earth orbit satellite constellation for remote access and monitoring. …”
Get full text
Thesis -
437
An investigation on space debris of unknown origin using proper elements and neural networks
Published 2023“…Proper elements for debris fragments in low-Earth orbit are computed using an ad hoc numerical scheme, akin to the state-of-the-art Fourier-series-based synthetic method for the asteroid domain. …”
Get full text
Article -
438
-
439
Evaluation of a spacecraft attitude and rate estimation algorithm
Published 2010“…The assessment of the algorithm performance is realized through a Monte Carlo simulation using a low‐Earth orbit, nadir‐pointing satellite. Findings: Given some attitude and rate error requirements, the range of admissible initial errors on the filter state and the effect of un‐modelled disturbance torque are determined, along with the achievable attitude and rate accuracies. …”
Get full text
Article -
440
Modeling and Simulation of Active Attitude Control for Satellites
Published 2004“…Different attitude control strategies of satellite in Low Earth Orbit (LEO) are presented in this thesis as well as their simulation with the MATLAB® software. …”
Get full text
Thesis