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
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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
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
Joint CCI Mitigation and Power Control for MC-DS-CDMA in LEO Satellite Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3156376
Abstract: We investigate a novel downlink multicarrier direct-sequence code division multiple access (MC-DS-CDMA) resource allocation scheme in the context of low earth orbit (LEO) satellite-ground integrated networks (SGINs). In contrast to the existing MC-DS-CDMA works which… read more here.
Keywords: leo satellite; power; cci mitigation; joint cci ... See more keywords
Deep Learning (DL)-Based Channel Prediction and Hybrid Beamforming for LEO Satellite Massive MIMO System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3190412
Abstract: Low-Earth orbit (LEO) satellites are recognized as one of the most promising infrastructures for realizing global Internet of Things (IoT) services. With the explosive growth of user terminals (UTs) and data traffic, the integration of… read more here.
Keywords: deep learning; leo satellite; hybrid beamforming; csi ... See more keywords
Channel Allocation for Mega LEO Satellite Constellations in the MEO–LEO Networked Telemetry System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3213687
Abstract: Recently, numerous mega LEO satellite constellation plans have emerged as an indispensable part supporting the future 6G satellite communications. Since the traditional telemetry systems are inappropriate for monitoring the operation status of all satellites, a… read more here.
Keywords: mega leo; channel allocation; leo satellite; telemetry ... See more keywords
Design of Joint Device and Data Detection for Massive Grant-Free Random Access in LEO Satellite Internet of Things
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3228730
Abstract: Recently, low-Earth orbit (LEO) satellite Internet of Things (IoT) has received considerable interests due to its global coverage for massive IoT devices distributed over a large area, especially in remote areas, e.g., ocean, desert, and… read more here.
Keywords: grant free; leo satellite; satellite internet; internet things ... See more keywords