An Efficient Multi-Dimensional Resource Allocation Mechanism for Beam-Hopping in LEO Satellite Network [PDF]
Sensors, 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 limited
Shengjun Guo +5 more
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Intelligent Beam-Hopping-Based Grant-Free Random Access in Secure IoT-Oriented Satellite Networks [PDF]
SensorsThis research presents an intelligent beam-hopping-based grant-free random access (GFRA) architecture designed for secure Internet of Things (IoT) communications in Low Earth Orbit (LEO) satellite networks.
Zhongliang Deng, Yicheng Liao
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A Beam Hopping Scheme Based on Adaptive Beam Radius for LEO Satellites [PDF]
SensorsToward the vision of seamless global connectivity in the 6G era, the non-terrestrial network (NTN) in space-air-ground integrated networks (SAGINs) network architecture is one of the highly promising solutions.
Jinhui Chen, Quanjiang Jiang, Mubiao Yan
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LEO Satellite Beam Hopping for Power Consumption Minimization at Different Elevation Angles
IEEE Open Journal of the Communications SocietyLow Earth orbit (LEO) satellite communication promises to bridge the digital divide. As satellite payload is limited, methods such as beam hopping techniques are necessary to ensure that the scarce resources are used efficiently. Current literature lacks
Agnes Fastenbauer +4 more
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Beam-Hopping-Based Resource Allocation in Integrated Satellite-Terrestrial Networks [PDF]
SensorsThe integrated satellite-terrestrial network (ISTN) provides a promising solution to achieve high-data-rate and ubiquitous connectivity in next-generation communication networks.
Mengying Zhang, Xiumei Yang, Zhiyong Bu
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Improved Spread Spectrum Aloha Protocol and Beam-Hopping Approach for Return Channel in Satellite Internet of Things [PDF]
Sensors, 2023 This paper examines potential performances of the Spread Spectrum-based random access technique and proposes an Improved Spread Spectrum Aloha (ISSA) protocol for the return channel in satellite Internet of Things (IoT) based on the beam-hopping ...
Liang Gou +3 more
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Research on Terminal Access Performance of Beam-Hopping Satellite in IoT Scenario [PDF]
Sensors, 2023 In recent years, low-orbit satellites have become an important development direction in satellite IoT systems. The number of terminals is large and data collisions occur frequently in the low-orbit satellite IoT scenario.
Yulei Nie, Gengxin Zhang
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IEEE AccessAgainst the backdrop of the widespread deployment of 5G systems and humanity’s entry into a new era of sixth-generation mobile communication, countries are now turning their attention to exploring uncharted territories through satellite ...
Yifeng Jin +5 more
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Satellites Beam Hopping Scheduling for Interference Avoidance
IEEE Journal on Selected Areas in CommunicationsThe deployment of low earth orbit (LEO) satellites megaconstellations presents a promising way for achieving global coverage and service, attributed to their comparatively low round-trip latency and launch costs.
YuanZhi He, Daquan Feng, Xiang-Gen Xia
exaly +2 more sources
Experimental validation and simulation of a U-Shaped elastic beam robot for stable running locomotion [PDF]
Scientific ReportsThis paper presents an innovative terrestrial robot employing a vibration-based locomotion system powered by a single DC motor with an eccentric rotating mass.
Wael Khalifa +3 more
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