Paper published in a book (Scientific congresses, symposiums and conference proceedings)
Wide-Beamwidth Circular Polarized Antenna for Diversity Combining Applications
Vasquez-Peralvo, Juan Andres; Merlano Duncan, Juan Carlos; Eappen, Geoffreyet al.
In press • In Vasquez-Peralvo, Juan Andres; Merlano Duncan, Juan Carlos; Eappen, Geoffreyet al. (Eds.) Global Communications Conference, Rio de Janeiro, 4 - 9 December 2022
[en] This paper presents the design, simulation, and manufacturing of a right-hand circularly polarized antenna working in the frequency band 17.7-20.2 GHz with a beamwidth of 42.4$^\circ$ and 5.4$^\circ$ for the H-plane and E-plane, respectively. The presented antenna is part of a set of three antennas, two high-gain antennas, and, presented in this paper, a low directive antenna used for reception. The application we describe in this paper combines the radio-frequency signals obtained from the O3b satellite constellation, using three antennas to apply path diversity later to reconstruct the original signal. Moreover, using an antenna with a beamwidth in one plane allows receiving two satellite signals at the same time, increasing by 3 dB the overall gain. The wide-band capabilities of the antenna are obtained using aperture coupling. In particular, the circular polarization of the antenna is generated using a truncated corner square patch. Further, a metasurface is placed at the top to enhance the axial ratio. Importantly, the simulation results obtained using CST Microwave Studio show that the antenna has a reflection coefficient below -10 dB and an axial ratio below -3 dB in the intended frequency range.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Vasquez-Peralvo, Juan Andres ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Merlano Duncan, Juan Carlos ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Eappen, Geoffrey ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Singh, Vibhum ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Palisetty, Rakesh ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Gonzalez Rios, Jorge Luis ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
External co-authors :
no
Language :
English
Title :
Wide-Beamwidth Circular Polarized Antenna for Diversity Combining Applications
Publication date :
In press
Event name :
GlobeCom
Event organizer :
IEEE
Event place :
Rio de Janeiro, Brazil
Event date :
04/12/2022 to 08/12/2022
By request :
Yes
Main work title :
Global Communications Conference, Rio de Janeiro, 4 - 9 December 2022
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