Results 21 to 30 of about 45,051 (163)
LoRa and Rotating Polarization Wave: Physical Layer Principles and Performance Evaluation
IEEE Access, 2023 Link reliability and enhanced coverage are the primitive concerns of Low-Power Wide-Area Networks (LPWANs) for suitability to critical Internet of Things (IoT) applications.
Zaid Ahmad +5 more
doaj +1 more source
Techne, 2016 Migrasi dari jaringan akses tembaga menuju jaringan akses optik maupun penggelaran baru jaringan akses serat optik menjadi solusi bagi penyedia layanan telekomunikasi untuk memenuhi kebutuhan pelanggan akan layanan suara, data dan video yang terintegrasi
Maria Enggar Santika +2 more
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Design and Performance Analysis of Downlink in Space Communications System for Lunar Exploration [PDF]
Journal of Astronomy and Space Sciences, 2010 This paper designs a data link between a Lunar Orbiter (LO) and an Earth Station (ES), and analyzes the downlink performance of a space communications system for lunar exploration, conforming to the recommendations by the Consultative Committee for ...
Wooju Lee +3 more
doaj +1 more source
Applied Sciences, 2023 This research proposes a low-inclined orbit concept and design for the Internet-of-Things (IoT) using lean satellite standards in near-equatorial regions.
Zineddine Haitaamar +3 more
doaj +1 more source
Rework the Radio Link Budget for 5G and Beyond [PDF]
IEEE Access, 2020 The 5th generation of mobile communication system (5G) enables the use of millimeter wave frequency bands and beamforming with narrow-beam directional antennas for mobile communication. Accurate estimation of radio link budget which enables direct assessment of achievable cell range or maximum throughput and facilitates network parametrization before ...
Kamil Bechta +2 more
openaire +2 more sources
Millimeter Wave Attenuation Due to Wind and Heavy Rain in a Tropical Region
Sensors, 2023 Millimeter wave fixed wireless systems in future backhaul and access network applications can be affected by weather conditions. The losses caused by rain attenuation and antenna misalignment due to wind-induced vibrations have greater impacts on the ...
Ukrit Mankong +7 more
doaj +1 more source
Remote Sensing, 2015 In order to study forests at the global scale, a detailed link budget for a lidar system onboard satellite is presented. It is based on an original approach coupling airborne lidar observations and an end-to-end simulator. The simulator is initialized by
Xiaoxia Shang, Patrick Chazette
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Tracking Capability Analysis of ARGO-M Satellite Laser Ranging System for STSAT-2 and KOMPSAT-5 [PDF]
Journal of Astronomy and Space Sciences, 2010 Korea Astronomy and Space Science Institute (KASI) has developed a mobile satellite laser ranging (SLR) system called ARGO-M since 2008 for space geodesy research and precise orbit determination technologies using SLR with mm level accuracy.
Hyung-Chul Lim +7 more
doaj +1 more source
International Journal of Antennas and Propagation, 2017 This paper provides practical 60 GHz link budget estimation results with IEEE 802.11ad standard-defined parameters and 60 GHz specific attenuation factors.
Joongheon Kim, Liang Xian, Ali S. Sadri
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Satellite to buoy IoT communications in the Arctic Ocean
Frontiers in Marine Science, 2023 Internet of things (IoT), to Arctic Ocean areas using Low Earth Orbit (LEO) satellites for communication to and from sensor units on the sea, has become increasingly important.
Terje Røste, Kun Yang, Chengyuan Wen
doaj +1 more source