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Lvyang Ye, Ning Gao, Yikang Yang and Xue Li
To solve the problem of location services in harsh environments, we propose an integrated navigation algorithm based on broadband low-earth-orbit (LEO) satellite communication and navigation integration with 3-satellite alternate switch ranging. First, w...
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Eric A. Sproles, Andrew Mullen, Jordy Hendrikx, Charles Gatebe and Suzi Taylor
We present technical advances and methods to measure effective broadband physical albedo in snowy mountain headwaters using a prototype dual-sensor pyranometer mounted on an Autonomous Aerial Vehicle (an AAV). Our test flights over snowy meadows and fore...
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Julia Bilbao and Argimiro de Migue
The study shows an analysis of a 7-year data set measuring Ultraviolet-B (UVB) irradiance values and ultraviolet index TABLEUVI) values derived from ground-based broadband irradiance measurements, satellite-derived total ozone, and UVB solar irradiance r...
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Wang Cheng, Cao Yushi and Wang Weidong
In recent years, the constant-envelope orthogonal frequency-division multiplexing (CE-OFDM) has been considered as a candidate waveform in broadband satellite systems as it has a 0-dB peak-to-average power ratio (PAPR). However, the carrier frequency off...
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Sergei P. Belov,Evgeniy G. Zhilyakov,Sergey A. Raczynski,Aleksandr S. Belov,Andrei S. Belov,Ivan Iv. Oleynik
Currently, one of the dominant types of information exchange is remote interaction between geographically distributed subscribers using a wide range of wireless telecommunication systems. One of the important requirements for such systems is the minimum ...
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Sergey P. Belov,Evgeniy G. Zhilyakov,Sergey A. Raczynski,Aleksandr S. Belov,Andrei S. Belov,Andrei D. Bukhantsov
It is known, when using narrow-band signals in high orbital satellite communication systems for organizing exchange of information, the efficiency of allocated frequency and time communication channel resource usage is reduced due to the large uncertaint...
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Theodore T. Kapsis, Nikolaos K. Lyras, Charilaos I. Kourogiorgas and Athanasios D. Panagopoulos
Next generation 5G networks generate a need for broadband, low latency and power efficient backhauling and data-relay services. In this paper, optical satellite communications links, as an integrated component of 5G networks, are studied. More specifical...
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Francis Canisius, Shusen Wang, Holly Croft, Sylvain G. Leblanc, Hazen A. J. Russell, Jing Chen and Rong Wang
A multiple sensor payload for a multi-rotor based UAV platform was developed and tested for measuring land surface albedo and spectral measurements at user-defined spatial, temporal, and spectral resolutions. The system includes a Matrice 600 UAV with an...
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Donat Shneps-Shneppe
Pág. 28 - 37
The article considers possible communication networks for Moscow City Railways. This fast-growing railway system requires both the modernization of existing communication network on existing lines, and the use of modern train communication systems on the...
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Philip Dobson,Paul Jackson
Australia is conducting a substantial nationwide provision of broadband. It is primarily a fixed line network but includes wireless and satellite networks in more remote areas. The rollout is under the control of the NBN Co, whose goal is ensuring access...
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