MULTIBEAM ANTENNA IN MILLIMETER WAVES O. LAFOND, M. HIMDI Université de Rennes I, Institut d'Electronique et de Télécommunications de Rennes, UMR CNRS Campus de Beaulieu, 35042 Rennes Cedex, France Email : Olivier.Lafond-univ-rennes1.fr This paper deals with a multibeam antenna in 60 GHz band. This structure is based on a Butler Matrix which fed a four printed antenna array. Two different solution

Flat Limited Scanning Phased Array Antenna for DBS Reception A. Toshev, E. Totomanov, M. Gatchev, B. Marinov, I. Stoyanov, S. Kamenopolsky Sky Gate BG, 2A Mogilata str., 1700-Sofia, Bulgaria, e-mail: toshev_a-skygate.bg A flat limited scanning phased array antenna working at 12.2-12.7GHz and suitable for DBS satellite reception is presented. The antenna utilizes a patented phase control device tha

Novel Compact Narrow-band Microstrip Dual-mode Resonator Filters for 3G Telecommunication Systems L. Roselli, L. Lucchini, P. Mezzanotte Dip. di Ingegneria Elettronica e dell'Informazione, Universit` di Perugia, Perugia, Italy. a Tel: +39-75-585.3633, Fax: +39-75-585.3654, E-mail: urlo-diei.unipg.it Abstract--Novel compact microwave bandpass filter configurations based on the dual-mode microstrip

On the Implementation of Miniaturized and Optimized Transceivers for UMTS Base Stations Erwan Goron*, Yann Toutain*, Jean Philippe Coupez**, Serge Toutain***,Christian Person* *LEST/ENST B. - UMR 6165 - BP 832 - 29285 BREST Cedex - FRANCE - Christian.Person-enst-bretagne.fr ***IRCCyN- BP50609 - 44306 NANTES Cedex 03 - FRANCE - serge.toutain-polytech.univ-nantes.fr Abstract -- An original implemen

Generic Modulation Adaptive LINC Transmitter T. Brabetz, V. F. Fusco Queen's University Belfast Electrical & Electronic Eng. Ashby Building, Stranmillis Road BELFAST, BT9 5AH, UNITED KINGDOM Phone: +44.(0)28.9027-4089, Fax: +44.(0)28.9066 7023 E- mail: v.fusco-ee.qub.ac.uk Abstract ­ A novel generic LINC topology with multiple digital modulation capability is introduced. It uses two pairs of pha

Triple-mode Filter Based on Dielectric Loaded Cubical Cavity Lye H. Chua and Dariush Mirshekar-Syahkal University of Essex, Department of E.S.E., Wivenhoe Park, Colchester, Essex CO4 3SQ, UK lhchua-essex.ac.uk dariush-essex.ac.uk Analysis of a cubical cavity loaded concentrically with cubical dielectric resonator is conducted using the commercially available transmission-line matrix (TLM) software

A Rigorous Approach for Calibrating Six-Port Reflectometers S. ABOU CHAHINE*, G. NEVEUX**, B. HUYART** * Beirut Arab University, BP115020, Lebanon, achahine-bau.edu.lb ** ENST, 46, rue Barrault, 75634 Paris cedex 13, France, huyart-com.enst.fr This paper presents a new rigorous approach for finding the parameters of Engen's six to four-port reduction algorithm for six -port reflectometer calibrati

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Calibration Methods for Free Space Dielectric Microwave Measurements with a 4-Channel-Network-Analyzer I. Rolfes, B. Schiek Ruhr-University Bochum, RF & Microwave Engineering Institute Universitaetsstr. 150, 44801 Bochum, Germany Tel.: +49 234 32-26497, Fax: +49 234 32-14167, e-mail: Ilona-HF.Ruhr-Uni-Bochum.de At microwave frequencies the dielectric properties of ceramic and composite materials c

A Novel Measurement Technique of the Full 4 x 4 Scattering Matrix of Grtho-Mode Transducers o. A. Peverini, R. Tascone, A. Olivieri, M. Baralis, R. Orta, G. Virone IRITI (C.N.R.) and Dip. di Elettronica, Politecnico di Torino C.so Duca degli Abruzzi 24, 10129 Torino, Italy Abstract Ortho-mode transducers (OMTs) are key components in both dual-polarized antenna feed systems for telecommunication a