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SiGe Circuits for Future LEO Constellations
2022 Microwave Mediterranean Symposium (MMS), 2022 This work presents an overview of the current state-of-the-art Power Amplifiers and Low-Noise amplifiers in the 40–75 GHz frequency band (i.e., V -band). These RF blocks are critical for the development of future LEO constellations that have recently begun to target these frequencies. Special attention is brought to GaAs, GaN, SiGe, FDSOI and classical
Margalef-Rovira, Marc +2 more
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Navigation services from LEO constellations
, 2022 Current generation satellite-based navigation systems have been typically located in Middle Earth Orbit (MEO) to achieve a convenient trade-off between number of spacecraft required for coverage and launch costs and signal power issues. The rapid spread of very large constellations in Low Earth Orbit (LEO), with hundreds or more satellites, is changing
Palmerini G. B., Kapilavai P.
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Inter-Plane Inter-Satellite Connectivity in Dense LEO Constellations [PDF]
IEEE Transactions on Wireless Communications, 2021 With numerous ongoing deployments owned by private companies and startups, dense satellite constellations deployed in low Earth orbit (LEO) will play a major role in the near future of wireless communications.
Israel Leyva-Mayorga +2 more
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Computing call-blocking probabilities in leo satellite constellations
IEEE Transactions on Vehicular Technology, 2003 We present an analytical model for computing call-blocking probabilities in a low Earth orbit (LEO) satellite network that carries voice calls. Both satellite-fixed and Earth-fixed constellations with interorbit links and handoffs are considered. We assume a single beam per satellite.
Abdul Halim Zaim +2 more
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Static beam placement and frequency plan algorithms for LEO constellations
International Journal of Satellite Communications and Networking, 2021 © 2020 John Wiley & Sons, Ltd. LEO satellites are growing rapidly in number, but also in configurability of the payload, which presents new challenges of how to allocate the satellite's resources. We present an algorithm to solve two subproblems of the
Nils Pachler +2 more
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Performance Analysis of LEO PNT Constellations
2025 IEEE/ION Position, Location and Navigation Symposium (PLANS)Young-Jin Song, Jong-Hoon Won
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An Efficient LEO Global Navigation Constellation Design Based on Walker Constellation
2020 IEEE Computing, Communications and IoT Applications (ComComAp), 2020Compared with medium Earth orbit (MEO) and high Earth orbit (HEO) satellites, low Earth orbit (LEO) satellites have lower cost, smaller power loss and shorter transmission delay, which mean they can be used in many areas like navigation and space-based internet of things (IOT), etc.
Yanbo Wei, Huaijian Li, Xiaojing Du
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NDN in large LEO satellite constellations
Proceedings of the 8th ACM Conference on Information-Centric Networking, 2021Large low Earth orbit (LEO) satellite constellations are intended to provide global low-latency high-bandwidth Internet connectivity. Due to their large scale and high mobility nature, networking is a big challenge. In this paper, we investigate applying Named Data Networking (NDN) to this scenario.
Teng Liang +4 more
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A Study of Constellation for LEO Satellite Network
22nd AIAA International Communications Satellite Systems Conference & Exhibit 2004 (ICSSC), 2004For a LEO constellation system, it is important to optimize the orbit parameters to maximize the quality of communication service. At the Next-generation LEO System (NeLS) Research Center, the LEO parameters were evaluated for a mobile satellite communication system. A 2π constellation was selected to maintain a stable inter-satellite link (ISL).
Ryutaro Suzuki +2 more
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