Linear transmitter architecture using a 1-bit I.Hibon1,2, C.Berland1, D.Pache2, M.Villegas1, D.Belot2 , V.Le Goascoz2 1 ESYCOM-ESIEE, Cité Descartes, 2 bd Blaise Pascal, 93162 Noisy le grand, France 2 STMicroelectronics, 850 rue Jean Monnet, 38926 Crolles, France Abstract -- Linearity of transmitter is a difficult point to achieve with non constant envelope modulation. The simplest solution is t

Design and implementation of a chaotic codec Safwan EL ASSAD, Chadi TARHINI Ecole polytechnique de l'université de Nantes, Rue Christian Pauc BP 50609 Nantes Cedex 3, France Tel: (33) 2 40 68 30 36 Fax: (33) 2 40 68 32 32 Email: safwan.elassad-univ-nantes.fr Abstract __ In this paper, we propose a secure spread spectrum communication systems, using chaotic spreading sequences. The main advantages

A Gaussian Beam Antenna Based on an Open Resonator G. Di Massa,L. Boccia, G. Amendola Università della Calabria ­ DEIS Via P. Bucci 87036 Rende (CS) Italy appropriate reactance [7] . The equivalent circuit of the cavity is shown in fig.2 where L0 l 0 / 4 is the cavity inductance, Furthermore, Abstract -- In the present work a novel Gaussian beam antenna is presented. The antenna is based on a hal

High Gain Microstrip Antenna Element and Array on Low and High Permittivity Substrate A. Abdel Rahman 1, A. K. Verma2 and A. S. Omar1 adel-iesk.et.uni-magdeburg.de, anand48-bol.net.in, a.omar-ieee.org 1 Microwave and Communication Engineering, University of Magdeburg, Magdeburg, Germany 2 Department of Electronic Science,University of Delhi South Campus, New Delhi-110021, India horn could be pyra

Adaptive Equalization For Digital Channels RBF Neural Network Rima ASSAF1, Safwan EL ASSAD2, and Youssef HARKOUSS1 2 Ecole polytechnique de l'université de Nantes, Rue Christian Pauc BP 50609 Nantes Cedex 3, France Tel:(33) 2 40 68 30 36 Fax:(33) 2 40 68 32 32 E-mail: safwan.elassad-polytech.univ-nantes.fr 1 Université Libanaise, Faculté de Génie-Branche III, Rue de l'aéroport, Beyrouth, Liban. e

Joint TOA/DOA Measurements for Spatio-Temporal Characteristics of 2.4 GHz Indoor Propagation Channel Van Yem VU, A. Judson BRAGA, Bernard HUYART and Xavier BEGAUD GET-Telecom Paris CNRS UMR 5141, 46 rue Barrault 75634 Paris cedex 13 Tel: ++ 33 (0) 1 45 817 222, Fax: ++ 33 (0) 1 45 890 020 E-mails: vanvu-enst.fr, judson-enst.fr, huyart-enst.fr, and begaud-enst.fr Abstract - The aim of this paper i

A new UWB antenna with excellent time domain characteristics. Lye-Whatt Chua Thales Research and Technology (UK) Limited, Worton Drive, Reading, Berkshire, United Kingdom, RG2 0SB, Tel. +44 (0)118 923 8331, Fax +44 (0)118 923 8399, email. lye-whatt.chua-thalesgroup.com Abstract - Description and performance of a novel physically small UWB omnidirectional antenna are presented. Greater than an oct

Reconfigurable Mixed-Signal Single-Chip Transmitter for Multistandard-Terminals Georg Strasser1 , Gernot Hueber2 , Linus Maurer3 , Thomas Bauernfeind2 , Simon Martin4 , and Andreas Springer1 1 LCM GmbH, Altenbergerstrasse 69, 4040 Linz, Austria, 0043/70/757 868-170, georg.strasser-lcm.at 2 Research Institute for Integrated Circuits (RIIC), University of Linz, Austria 3 Dice - Danube Integrated Ci

System Concepts dedicated to UWB Transmitter David Marchaland , Martine Villegas , Genevi` ve Baudoin , Carlo Tinella and Didier Belot e ESIEE ESYCOM ­ Cit´ Descartes, 2 Bd Blaise Pascal, F­93162 Noisy-le-Grand Cedex e STMicroelectronics ­ 850 rue Jean Monnet, F­38926 Crolles Cedex Email: d.marchaland-esiee.fr, carlo.tinella-st.com Abstract-- This paper introduces new system concepts for an UW

A Direct Wireless Signals Receivers Architecture with Noise Sources Modeling M. Capodiferro, G. Avitabile, N. Lofù Politecnico di Bari, DEE, via E. Orabona 4, 70125 Bari, Italy, tel.+390805963854 Furthermore an alternative equation can be developed, relating the sampling frequency, fs, to the RF signal carrier frequency, fc: fs = 4 fc 1 + 2m Abstract -- The paper focuses on the modeling of the no