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Article
Telecommunications
Bassel Al Homssi et al.
Summary: The letter presents an analytic framework for uplink coverage probability in hybrid satellite-terrestrial networks, extending existing terrestrial models and capturing the impact of constellation size and terrestrial base station density on uplink traffic coverage.
IEEE COMMUNICATIONS LETTERS
(2021)
Article
Telecommunications
Akram Al-Hourani et al.
Summary: This letter introduces a systematic framework for modeling satellite-to-ground path-loss in urban environments, utilizing a semi-analytic approach that combines tools from stochastic geometry and a Gaussian mixture model. The framework achieves a balance between simplicity and accuracy, as demonstrated by the results of conducted measurements.
IEEE COMMUNICATIONS LETTERS
(2021)
Article
Telecommunications
Anna Talgat et al.
Summary: This study examines the performance of a low-earth-orbit (LEO) satellite communication system, modeling the locations of LEO satellites as a binomial point process on a spherical surface. By comparing with fiber-connected base stations, it is found that adopting LEO satellite communication systems can improve coverage probability in rural and remote areas. Insights are drawn on the density of gateway stations needed to outperform base stations, as well as the number of LEO satellites and their altitudes.
IEEE COMMUNICATIONS LETTERS
(2021)
Article
Computer Science, Information Systems
Akram Al-Hourani
Summary: Optimizing the altitude of dense satellite constellations is crucial in maximizing downlink coverage probability. The presented analytic framework leverages stochastic geometry tools to determine the optimal altitude under different scenarios, which are validated through simulations. A balance between satellite availability and signal power losses is needed to find the optimal altitude for the constellation.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2021)
Article
Computer Science, Information Systems
Akram Al-Hourani
Summary: This paper presents an approach for modeling downlink coverage probability in dense satellite networks, utilizing tools from stochastic geometry and path-loss modeling. Simulation results demonstrate a strong match to the proposed analytical forms even with a lower number of satellites, indicating potential for system designers to predict and optimize downlink coverage performance.
IEEE WIRELESS COMMUNICATIONS LETTERS
(2021)
Article
Computer Science, Information Systems
Bassel Al Homssi et al.
Summary: LoRa technology is designed to meet the demands of extended battery life and interference resistance for wireless IoT applications, primarily for shared spectrum applications. Therefore, when designing IoT networks, it is important to consider the impacts of interference and propagation environments, particularly focusing on how interference affects network coverage.
Article
Telecommunications
Anna Talgat et al.
IEEE COMMUNICATIONS LETTERS
(2020)
Article
Computer Science, Information Systems
Zhicheng Qu et al.
Article
Computer Science, Information Systems
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IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
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Computer Science, Information Systems
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IEEE INTERNET OF THINGS JOURNAL
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Engineering, Electrical & Electronic
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IEEE TRANSACTIONS ON COMMUNICATIONS
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Engineering, Electrical & Electronic
Martin Haenggi et al.
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
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Article
Computer Science, Hardware & Architecture
B Evans et al.
IEEE WIRELESS COMMUNICATIONS
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