Doppler effect‐based low‐Earth orbit satellite constellation parameters
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34074
Abstract: The present study focuses on the manifestation of the Doppler effect in low‐Earth orbit (LEO) satellite constellations with laser inter‐satellite links (LISLs). In this letter, the LEO satellite constellation parameters that influence the variation of… read more here.
Keywords: constellation parameters; constellation; doppler effect; satellite constellation ... See more keywords
Real-time LEO satellite clock estimation with predicted LEO satellite orbits constrained
Sign Up to like & getrecommendations! Published in 2024 at "GPS Solutions"
DOI: 10.1007/s10291-024-01723-6
Abstract: Low Earth Orbit (LEO) satellites can augment the traditional GNSS-based positioning, navigation and timing services, which require real-time high-precision LEO satellite clock products. As the complicated systematic effects contained in the LEO satellite clock estimates… read more here.
Keywords: leo satellite; clock estimation; clock; real time ... See more keywords
Polyaniline nano-material backed lens antenna for X-band LEO satellite transceivers
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-14270-y
Abstract: This paper presents the design and implementation of an open-ended waveguide lens antenna engineered to generate a conical-shaped radiation pattern for the X-band fully-duplex communication subsystem of a low Earth orbit (LEO) satellite dedicated to… read more here.
Keywords: nano material; lens antenna; axial ratio; ratio ... See more keywords
Folded Chirp-Rate Shift Keying Modulation for LEO Satellite IoT
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2930327
Abstract: In the low earth orbit (LEO) satellite Internet of Things (IoT), the IoT devices can be distributed in remote areas (e.g., desert, ocean, and forest) for some special applications, where they are unable to have… read more here.
Keywords: doppler; shift; rate; folded chirp ... See more keywords
Deep Neural Network-Based Receiver for Next-Generation LEO Satellite Communications
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3044321
Abstract: This paper proposes a novel deep neural network (DNN)-based receiver for next-generation low Earth orbit (LEO) satellite communications. The DNN receiver can concurrently compensate for multiple imperfections of the satellite communication system to improve the… read more here.
Keywords: neural network; deep neural; satellite communications; leo satellite ... See more keywords
Multi-Scene Doppler Power Spectrum Modeling of LEO Satellite Channel Based on Atlas Fingerprint Method
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3051774
Abstract: The modeling of low earth orbit (LEO) satellite channel depends on its Doppler power spectrum. Due to satellite during transit, diversity and dynamic channel scene, the modeling of Doppler power spectrum has two serious problems:… read more here.
Keywords: leo satellite; power spectrum; doppler power;
Load-Balancing Method for LEO Satellite Edge-Computing Networks Based on the Maximum Flow of Virtual Links
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3207293
Abstract: With the increasing number of satellites in orbit, traditional scheduling methods can no longer satisfy the increasing data demands of users. The timeliness of remote sensing images with large data volumes is poor in the… read more here.
Keywords: virtual links; topology; maximum flow; leo satellite ... See more keywords
Joint Communication, Computing, and Caching Resource Allocation in LEO Satellite MEC Networks
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3237701
Abstract: Driven by the urgent requirement of ubiquitous and reliable coverage for global users, the low earth orbit (LEO) satellite network has attracted numerous attentions from the academic and industry circles. By deploying multi-access edge computing… read more here.
Keywords: computing caching; leo satellite; satellite mec; resource allocation ... See more keywords
Dynamic Downlink Interference Management in LEO Satellite Networks Without Direct Communications
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3253870
Abstract: We investigate effective interference management for Low Earth Orbit (LEO) satellite networks that provide downlink services to ground users and share the same frequency spectrum range. Since there are multi-group LEO satellites with different constellation… read more here.
Keywords: leo satellite; satellite networks; interference management; interference ... See more keywords
Leveraging Multi-LEO Satellite Signals for Opportunistic Positioning
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3456382
Abstract: The study of navigation solutions other than GNSS is becoming increasingly important due to growing concerns about the vulnerability of GNSS to interference. The use of existing LEO satellite signals is a promising option in… read more here.
Keywords: leveraging multi; doppler shift; multi leo; leo satellite ... See more keywords
User Activity Detection and Channel Estimation for Grant-Free Random Access in LEO Satellite-Enabled Internet of Things
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2020.2997336
Abstract: With recent advances on the dense low-Earth orbit (LEO) constellation, the LEO satellite network has become one promising solution for providing global coverage for Internet-of-Things (IoT) services. Confronted with the sporadic transmission from randomly activated… read more here.
Keywords: access; leo satellite; internet things; channel ... See more keywords