Bandwidth, Efficiency and Directivity Enhancement of Printed Antenna Performance Using Planar Circularly Symmetric EBGs N. Llombart1 , A. Neto1 , G. Gerini1 , P. De Maagt2 TNO Defense, Security and Safety, TNO, Den Haag 2597 AK, The Netherlands E-Mail: nuria.llombartjuan, andrea.neto, giampiero.gerini-tno.nl Electromagnetics Division, European Space Agency, 2200 AG, Noordwijk, The Netherlands E-ma

Direction-of-Arrival Estimation of Highly Correlated Signals by Applying Forward-Backward Averaging to the ESPRIT Algorithm for 7-element ESPAR Antenna Micka¨ l Pencol´ , Eddy Taillefer, Tatsuya Shimizu, and Makoto Taromaru e e ATR Wave Engineering Laboratories 2-2-2 Hikaridai, "Keihanna Science City", Kyoto 619-0288, Japan : +81 774 95 1501, Fax: +81 774 95 1508, Email: {eddy,taromaru}-atr.jp Ab

High-Gain and Wide-Band Single-Layer Twin-L Coupled Patch Antenna Hang Wong, Chi-Lun Mak and Kwai-Man Luk City University of Hong Kong, Department of Electronic Engineering, Tat Chee Avenue, Hong Kong SAR, China (E-mail: hangwong-ieee.org; clmak-ieee.org; eekmluk-cityu.edu.hk) Abstract --The technique of parallel feeds is applied to the recent L-probe coupled patch design. A twin-L-probe coupled p

Wideband Stacked Patches Antenna Fed by a Meandering Probe Hau Wah Lai and Kwai Man Luk City University of Hong Kong, Department of Electronic Engineering, Tat Chee Avenue, Hong Kong SAR, China (E-mail: hwlai-ee.cityu.edu.hk; eekmluk-cityu.edu.hk) (0.4 0) respectively. The upper patch is a parasitic element whereas the lower patch is fed by a meandering probe. The height of the lower patch H1 is 1

Multiple-Step Rectangular Horn with Two Orthogonal Sectral Tapers for Elliptical Beam Hiroyuki Deguchi, Hirotsugu Urata, Mikio Tsuji and Hiroshi Shigesawa Doshisha University, Department of Electronics, Kyotanabe, Kyoto 610-0321, Japan. Tel: +81 774 65 6371, fax: +81 774 65 6824, e-mail: hdeguchi-mail.doshisha.ac.jp Abstract-- This paper proposes a new rectangular horn with two orthogonal sidewall

Optimised Scanning of a Visibility Graph Data Structure for Efficient Ray-Tracing F. Mora, L. Aveneau University of Poitiers, SIC FRE 2731, SP2MI, Bd Marie et Pierre Curie, BP 30179, 80962 Futuroscope Chasseneuil Cedex ­ France Email : mora-sic.sp2mi.univ-poitiers.fr Abstract-- An efficient way to implement a ray tracing is to use the visibility relations between geometric primitives, as in Hoppe'

Block based Predistortion for Amplifier Linearization in Burst Type Mobile satellite Communications Nima Safari1 , Joar Petter Tanem2 , Terje Roste 1 3 NTNU, Department of Electronics and Telecommunications, Trondheim, Norway, nima safari-ieee.org 2,3 Nera Research, 1375,Billingstad, Norway, jot-research.nera.no , terje.roste-research.nera.no Abstract-- Predistortion (PD) technique has been pro

A Novel Electronically Tunable Active Duplexer for Wireless Transceiver Applications Sundaram Balamurugan1, Student Member, IEEE, and Prasad. N. Shastry (S. N. Prasad)2, Senior Member, IEEE Graduate Student, Bradley University, Department of Electrical and Computer Engineering, 1501, W. Bradley Ave., Peoria, IL 61625, U.S.A. Tel: +1(309)472-2401, Email: bala_sai_2000-yahoo.com 2 Professor, Bradley

A Software Defined Radio Direct Conversion Receiver Mehrbod Mohajer1, Abbas Mohammadi1, Abdolali Abdipour1 1 Amirkabir University of Technology (Tehran Polytechnic), Electrical Engineering Department, Microwave and Wireless Communications Research Lab., Tehran, 15914, Iran. Email: abm125-aut.ac.ir presented to show the performance of new five-port structure. Finally, the measurement results are p

Current Compensation in Probe Feeding Simulation Using FDTD Algorithm Kyeong-Sik Min and Manh-Dat Vu Department of Radio Sciences and Engineering, College of Sciences and Engineering, Korea Maritime University, #1 Dongsam-Dong Yeongdo-Ku Busan, 606-791, Korea E-mail : ksmin-mail.hhu.ac.kr ,Tel: +82-51-410-4425 Abstract This paper presents a method to compensate the probe current computation in mic