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Título: ANALYSIS OF OMNIDIRECTIONAL ANTENNAS WITH RADOME OPERATING IN LMDS BAND FOR SIGNALS OF DIGITAL TV
Instituição: ---
Autor(es): URSULA C RESENDE
FERNANDO JOSE DA SILVA MOREIRA
JOSE RICARDO BERGMANN
Colaborador(es): ---
Catalogação: 07 11:10:20.000000/02/2013
Tipo: PAPER Idioma(s): ENGLISH - UNITED STATES
Nota:
© 2009 IEEE. Reprinted, with permission, from IEEE INTERNATIONAL MICROWAVE & OPTOELECTRONICS CONFERENCE (IMOC 2009), 2009. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Pontifícia Universidade Catolica do Rio de Janeiro’s. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubspermissions@ ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
Referência [en]: https://www.maxwell.vrac.puc-rio.br/eletricaonline/serieConsulta.php?strSecao=resultado&nrSeq=21138@2
Resumo:
This work considers the use of dual-reflector antennas for omnidirectional coverage in a LMDS system base station to operate with the distribution of digital TV signals. We investigate the performance of omnidirectional antenna with and without dielectric radome. Numerical simulations based the method of moments are presented to illustrate the usefulness of the omnidirectional antennas to operate in LMDS systems. The analyses are conducted for a 20 per cent bandwidth. It is used a radome with thickness equal to A./2 and relative permittivity equal to 2.08. The analyses intend to demonstrate the radome influence in the antenna behavior across the operation band and to identify the best radome thickness.
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