Improved diversity on the uplink of multi-user MIMO systems Veljko Stankovic and Martin Haardt Ilmenau University of Technology, Communications Research Laboratory P.O. Box 10 05 65, 98684 Ilmenau, Germany {veljko.stankovic, martin.haardt}-tu-ilmenau.de Abstract-- In this paper we analyse the performance of a MIMO receive algorithm that represents a modification of a precoding technique. Thereby w

Beamforming System Using Five-Port Discriminator A. Judson Braga, Van Yem Vu, Bernard Huyart, and J. C. Cousin COMELEC ­ ENST Paris, 46 rue Barrault 75634 Paris Cedex 13 ­ France, +33 (0)1 4581 77 77 output ports (hence its name). The five-port reflectometer and the measurement system are described in section II. The estimation procedure of the direction of arrival (DoA) of the signals is supposed

Influence of an accurate environment description for the indoor propagation channel modelling S. Reynaud1, Y. Cocheril1, R. Vauzelle1, A. Reineix2, L. Aveneau1, C. Guiffaut2 University of Poitiers, SIC, FRE CNRS 2731, Blvd Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, +33549496567 2 University of Limoges, IRCOM, UMR CNRS 6615, 123 avenue Albert Thomas, 87000 Limoges, +33555

Selective RF power density measurements radiated by mobile telephony RBS in Rio de Janeiro city Sidney Carlos da Cruz1, Maurício Henrique Costa Dias2, Gláucio Lima Siqueira1 Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Center for Telecommunications Studies. Rua Marquês de São Vicente, 225, Ed Kennedy, 7o andar, Rio de Janeiro ­ RJ, Brazil, 22543-900. Tel: +55 21 31141696. Fax: +55 2

An Ad-hoc network simulator based on an optimized semi-deterministic channel characterization Ruddy Delahaye, Pierre Combeau, Anne-Marie Poussard, Yannis Pousset, Rodolphe Vauzelle University of Poitiers, SIC, FRE CNRS 2731, Bd Marie et Pierre Curie, 86360 Chasseneuil du Poitou, France {delahaye, combeau, poussard, pousset, vauzelle}-sic.sp2mi.univ-poitiers.fr Abstract -- Classical studies on Ad-

Quantized MFSK for real-time data transmission in HF channels Bogdan Uljasz, Piotr Gajewski Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland, Phone: +4822 6839517, Fax: +4822 6839038, e-mail: buljasz-wel.wat.edu.pl, pgajewski-wel.wat.edu.pl Abstract -- Paper presents a novel modulation that can be used for short packet transmission in the HF channel with high reliability and

Temporal Modelling of Phase Noise in an Oscillator A. Le Brun1, C. Poumier1, J.C. Nallatamby2, S. Mons2, R. Quéré2 Thales Communications, 6 rue du Lt-Colonel Laporte, 19100 Brive, France, +33(0)5.55.92.87.25, aymeric.lebrun-fr.thalesgroup.com 2 IRCOM, CNRS-University of Limoges, 7 rue Jules Valles, 19100 Brive, France, +33(0)5.55.86.73.22 usually defined as being the ratio of noise power Pssb in a

DSP-Based Technique for Power Efficiency Improvement in Low-IF 5 GHz WLAN Transmitter M. Helaoui1, S. Boumaiza2, A. Ghazel1, and F. M. Ghannouchi2 2 École Supérieure des Communications de Tunis, Parc technologique, El Ghazela, 2083, Ariana, Tunisia. Electrical an Computer Engineering Department, The University of Calgary, 2500 University Dr., Calgary, Canada this method is limited by the amplifie

On the Design of a Multi-Mode Receive Digital-Front-End for Cellular Terminal RFICs Research Gernot Hueber , Linus Maurer Georg Strasser , Rainer Stuhlberger¶ , Karim Chabrak§, and Richard Hagelauer Institute for Integrated Circuits (RIIC), Johannes Kepler University, Altenbergerstrasse 69, A-4040 Linz, Austria, +43 732 2468 7120, Email: hueber-riic.at Danube Integrated Circuits Engineering (DI

Microwave power for biological tissue ablation S.Nana1, H.Kokabi1, N.Belhadj-Tahar1, P.Leprince2, M.Karouia2 1 Université Pierre et Marie Curie (UPMC), Laboratoire d'Instruments et Systèmes d'Ile de France (LISIF), +33 (0)144279619, Fax : +33 (0)144276214 3 rue Galilé, 94200 Ivry sur Seine, France 2 Groupe Hospitalier Pitié-Salpêtrière, Chirurgie CardioVasculaire et Thoracique (CCVT), Bd de l'hôp