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Zhihui Shang, Tao Zhang, Yueming Cai, Weiwei Yang, Hao Wu, Yu Zhang and Liwei Tao
This paper studies the secure transmission in the dual-hop cognitive wiretap networks, where the secondary transmitter (Alice) aims to transmit confidential information to the secondary receiver (Bob) in the face of a multi-antenna relay (Relay), while t...
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Simone Cosoli
The International Telecommunication Union (ITU) Resolution 612, in combination with Report ITU-R M2.234 (11/2011) and Recommendation ITU-R M.1874-1 (02/2013), regulates the use of the radiolocation services between 3 and 50 MHz to support high frequency ...
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Stephan Haefner,Reiner Thomä
Pág. 27 - 34
Estimating the parameters of a geometric propagation model from MIMO channel sounding measurements will be considered, which requires the solution of an inverse problem. Thus, a model of the measured data is derived, which incorporates a model of the mea...
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Endrit Shehaj, Vincenzo Capuano, Cyril Botteron, Paul Blunt and Pierre-André Farine
In recent years, global navigation satellite system (GNSS)-based navigation in high earth orbits (HEOs) has become a field of research interest since it can increase the spacecraft?s autonomy, thereby reducing the operating costs. However, the GNSS avail...
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Jason Gross, Yu Gu and Matthew Rhudy
This article considers a novel approach to using global positioning system (GPS) signal strength readings and estimated velocity vector for estimating the attitude of a small fixed-wing unmanned aerial vehicle (UAV). This approach has the benefit being a...
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