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LEO Satellite Constellation for Internet of Things
IEEE Access, 2017 Internet of Things (IoT) is one of the evolutionary directions of the Internet. This paper focuses on the low earth orbit (LEO) satellite constellation-based IoT services for their irreplaceable functions.
Zhicheng Qu, Haotong Cao
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Real-Time Estimation of Low Earth Orbit (LEO) Satellite Clock Based on Ground Tracking Stations
Remote Sensing, 2020 The rapid movement of low Earth orbit (LEO) satellite can improve geometric diversity, which contributes to the rapid convergence of Global Navigation Satellite System (GNSS) precise point positioning (PPP). However, the LEO onboard receiver clock cannot
Zhixin Yang, Chuang Qian, Bao Shu
exaly +3 more sources
Resource Allocation for Cognitive LEO Satellite Systems: Facilitating IoT Communications [PDF]
Sensors, 2023 Due to the characteristics of global coverage, on-demand access, and large capacity, the low earth orbit (LEO) satellite communication (SatCom) has become one promising technology to support the Internet-of-Things (IoT).
Bowen Cai +3 more
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A Satellite Handover Strategy Based on the Potential Game in LEO Satellite Networks
IEEE Access, 2019 In a low earth orbit (LEO) satellite network, handover management across satellite spot beams needs to be addressed to decrease handover times while using network resources efficiently since the speed of LEO satellites is much higher than that of mobile ...
Yang Wu, Guyu Hu, Jiachen Zu
exaly +3 more sources
Downlink Cooperative MIMO in LEO Satellites [PDF]
IEEE Access, 2020 We consider a communication scheme in which two low earth orbit (LEO) satellites jointly transmit (at the same time and frequency) to a multi antenna land terminal (LT). This scheme can increase the achievable terminal throughput by up to a factor of 2, depending on the channel matrices.
Rei Richter +3 more
openaire +2 more sources
Optimal Progressive Pitch for OneWeb Constellation with Seamless Coverage
Sensors, 2022 Large-scale broadband low earth orbit (LEO) satellite systems have become a possibility due to decreased launch costs and rapidly evolving technology. Preventing huge LEO satellite constellations from interfering with the geostationary earth orbit (GSO ...
Cheng Zou +5 more
doaj +1 more source
Controlling Antenna Sidelobe Radiation to Mitigate Ku-Band LEO-to-GEO Satellite Interference
IEEE Access, 2023 Low-Earth orbiting (LEO) satellites now can provide broadband service anywhere in the world, but they must share the radio spectrum with geosynchronous Earth-orbiting (GEO) satellites.
Alex Hills +3 more
doaj +1 more source
Trends in LEO Satellite Handover Algorithms [PDF]
2021 Twelfth International Conference on Ubiquitous and Future Networks (ICUFN), 2021 In this paper, we review well-known handovers algorithms in satellite environment. The modern research trends and contributions are proposed and summarized in order to overcome their considering problems in satellite-air-ground integrated network environment caused by the fast movement of Low Earth Orbit (LEO) satellite and related frequent handover ...
S.-K. Park, Joongheon Kim
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Management of MEC Service and Optimization of Mission Migration in LEO Satellite Networks
天地一体化信息网络, 2022 Low earth orbit (LEO) satellites play an important role in the communication of earth observation and wide area coverage because of their advantages of short transmission delay and low deployment cost.Due to limited size and weight of LEO satellite ...
Zhihui LIU +5 more
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A survey on networking key technologies for LEO satellite network
Dianxin kexue, 2023 With the continuous development of information and communication technology, the requirements for expanding network coverage and reducing communication delay are becoming higher and higher.Low earth orbit (LEO) satellite networking, as a network system ...
Ruihong JIANG +3 more
doaj +2 more sources