Planar 9-Element Quasi-Yagi Antenna Array for X-Band Application Frank Weinmann1 1 FGAN Research Establishment for Applied Science, Research Institute for High Frequency Physics and Radar Techniques, Neuenahrer Str. 20, D-53343 Wachtberg, Germany, Phone: +49-228-9435-223, Fax: +49-228-9435-521, Email: Weinmann-fgan.de approach requires a completely new design of the feeding network because conven

An Ultra-Wideband 0.18µm SiGe BiCMOS LNA for 3.1GHz to 10.6 GHz Wireless Receivers Haolu Xie Albert Wang Dept of ECE, Illinois Institute of Technology, 3301 S Dearborn St., Chicago, IL 60616, USA Tel.: 312-567-6912, Fax: 312-567-8976, email: awang-ece.iit.edu Abstract Ultra wideband (UWB) radio emerges as a very promising wireless communication technology due to its many advantages: i.e., 7.5GHz s

A TM-UWB Prototype with Multi-User Synchronization Thomas Buchegger1, Gerald Oßberger1, Gerhard Kaineder2, Alexander Reisenzahn3, Andreas Stelzer2, Andreas Springer2 1 2 Linz Center of Mechatronics, Altenbergerstr. 69, A-4040 Linz, Austria, +43-732-2468-1856 Johannes Kepler University of Linz, Institute for Communications and Information Engineering, Altenbergerstr. 69, A-4040, Linz, Austria, +4

Small-aperture, high-resolution beam-scanning antenna array using nonlinear signal processing Wolfgang Menzel, Arnold Gronau, Vijayam Maiyappan, Winfried Mayer Microwave Techniques, University of Ulm, D-89069 Ulm, Germany Phone +49-731-5026350, Fax +49-731-5026359, E-mail wolfgang.menzel-ieee.org Abstract -- A high-resolution two-element antenna array is demonstrated using nonlinear signal process

Wideband Beam Forming with a Rectangular Array Antenna Monthippa Uthansakul1 and Marek E Bialkowski1 1 University of Queensland, School of Information Technology, St. Lucia, 4072 Brisbane, Qld, Australia Tel: +61-7-33658308 and +61-7-33653563, Email: mtp-itee.uq.edu.au; meb-itee.uq.edu.au Abstract -- This paper presents a wideband beamformer which avoids the use of frequency filters or delay net

Diagonal Slotted Diamond Shaped Dual Circularly Polarized Microstrip Patch Antenna With Dumbbell Aperture Coupling Ajay Kumar Sharma and Ashok Mittal, Member, IEEE Central Research Laboratory, Bharat Electronics Limited, Bharat Nagar Post, Ghaziabad ­ 201 010 (U.P.), India Phone: +91-120-2774906; Fax: +91-120-2770916 Abstract ­ Improvement in ellipticity bandwidth with a diagonal slotted diamond s

A Transceiver Module for Quad Band EGPRS (GSM/GPRS/EDGE) Class 12 Applications. Morgan E Fitzgibbon 1, Jyoti Mondal2 Diarmuid McSwiney , Dermot O'Keeffe 1, David Redmond 1, William Waldie 2 1 Freescale Semiconductor (FSL) Ireland Design Centre, Building #3400, Cork Airport Business Park, Cork, IRELAND, Phone +353-21-4910218. 2 Freescale Semiconductor, 4 Corporate Drive, Suite 200, Kemper Lake Sit

Method to Simulate Contactless System Based on S-Parameters Measurements Alexandre Tramoni1 , Jean-Pierre Enguent2 , Claude Tetelin1 1 University of Provence, Computing/Electronics, Place Georges Pompidou, 83000 Toulon, France, +33(0)494038950 alexandre.tramoni-isen.fr 2 ST MICROELECTRONICS, Smart Card division, 13119 Rousset, France, +33(0)442685828 j-p.enguent-st.com the well known model of the

Parametric Studies on Isolation in Probe-Fed Dual Polarized Microstrip Antennas Sachin Gupta1, M.Ramesh1 and A.T.Kalghatgi1 1 Central Research Laboratory, BEL, Bangalore, India. Tel: (080)-28381125 using FR4 glass epoxy ( material. r1 Abstract -- Dual Polarized antennas are useful for both polarization diversity and frequency reuse applications. Isolation between the ports is a critical paramete

Joint Fragment Size and Transmission Rate Optimization for Basic Access Mechanism of IEEE 802.11b Distributed Coordination Function Stanislav A. Filin, Alexandre V. Garmonov, Andrew Y. Savinkov, Vladimir B. Manelis, Sergey N. Moiseev, Mikhail S. Kondakov1, Seok Ho Cheon, Do Hyon Yim, Ki Tae Han, Yun Sang Park 2 Kodofon, Moskovsky prospekt, 97, 394077 Voronezh, Russia, Phone: +7-0732-747241, filin-