PROVIDING EMC OF DECT WIRELESS LOCAL LOOPS WITH LINE-OFSIGHT RADIO-RELAY STATIONS OF THE FIXED SERVICE IN RUSSIA A. Gulyaev, Dr. S. Dudukin Radio Research and Development Institute (NIIR), 16, Kazakova str., 103064, Moscow, Russia; Fax +70952678430; e-mail: gulyaev-hotmail.com Abstract - The paper deals with EMC problems of DECT wireless local loops (WLL) with line-of-sight radio-relay stations (R

24 to 5 GHz UplDown Converters with Integrated Antennas Aleksandar N esicl, Veselin Brankovic2, Dragan Krupezevic2, Ivana Radnovic1 TelecommunicationResearch & DevelopmentEurope (TRDE); SONYInternational GmbH, Germany Institute IMTEL, Belgrade, Yugoslavia! e-mail: aca-imtel.co.vu.branko-fb.sony.de ABSTRACT: Within the research efforts toward new generation of in-door communication systems, utiliz

AN INDOOR PLANNING TOOL WIm BOTH ANTENNAS PLACEMENT AND WIRING OPTIMIZATION B. Glorial, J.F. Legendre2, V. Antunesl, B. Uguen3 1Bouygues Telecom, La Boursidiere, 92357 Le Plessis Robinson, France. 2Siradel, Centre Alphasys, 35769 Saint Gregoire, France. 3L.c.S.T., 20 avodes Buttes de Coesmes, 35043 Rennes, France. Phone: (33) +2 99234234 Fax: (33) +2 9923 1822 Email: berenicegloria-hotmail.com

Non linearities modelling method influence in High Power Amplifier on the CDMA spectral analysis Laurent Lecheminoux, Martine Villegas Pole d'Electronique Hautes Frequences du Polytechicum de Marne-la-Vallee Laboratoire signaux et telecommunications - Groupe ESIEE - Cite Descartes - 93162 Noisy-Ie-Grand Cedex, FRANCE Emaillechemil-esieeJr Abstract -- The radio frequency ressource utilization in mo

A Prototype Digital Beamforming Antenna for Future Satellite Communications L. Kuehnke(l), J. Helrninger(2), F. Klefenz(3), A. Dreher(3) (1): University of Hannover, Institut fuer Hochfrequenztechnik, eMail: kuehnke-mbox.hft.uni-hannover.de (2): TU Muenchen, Lehrstuhl fuer Hochfrequenztechnik - HFS, eMail: helminger-ei-tum.de (3): German Aerospace Center, Institute of Radio Frequency Technology,

DUAL GSM/DCS-1800 FIBRE RADIO REPEATERS: IMPLEMENTATION A PRACTICAL Adolfo Galindo*, Luis Cucala*, David Fillmore*, Wsewolod Warzanskyj, Xavier Cabez6n**, Eduardo Alonso*** *Telef6nica I+D, Emilio Vargas, 6 28043 Madrid (SPAIN) Phone: +34 913374861 Fax: +34913374502 E-mail: adolfog-tid.es **IKUSI, Martutene, 20080, San Sebastian, Spain ***Telef6nica M6viles, Orduiia 3, 28034, Madrid, Spain Abst

Simulation of Substrate Coupling with Special Regard to Shielding in High-Speed Si/SiGe Bipolar ICs Martin Pfost, 1 Hans-Martin Rein,2 Wolfgang Steiner,2 and Anton Stiirmer3 I Infineon Technologies AG, CPR 3, Otto-Hahn-Ring 6, D-81730 Munich, Germany Tel.: (+49) 89-234-41039, Fax: (+49) 89-234-40822, email: martin.pfost-infineon.com 2 AG Halbleiterbauelemente, Ruhr-University Bochum, D-44780 Bochu

Noise Characteristics of 0.5 /lm/50 GHz Si and 0.5 /lm/70 GHz SiGe Bipolar Technologies K. Aufinger, H. Knapp, R. Gabl, T. F. Meister, J. Bock, H. Schafer, M. Pohl, and L. Treitinger Infineon Technologies AG, Corporate Research, Otto-Hahn-Ring 6, D-81730 Munich, Germany email: Klaus.Aufinger-infineon.com Abstract This of 0.5 paper µm presents the noise characteristics / 50 GHz Si [8] and

Electro- Thermal Large-Signal Modeling of SiGe HBTs F. X. Sinnesbichler and G. R. Olbrich Technische Universitaet Muenchen, Lehrstuhl fuer Hochfrequenztechnik Arcisstr. 21, 80333 Muenchen, Germany Email: Sinnesbichler-ei.tum.de Abstract - The temperature dependence of double-mesa SiGe HBTs is investigated. The different bandgaps of the hetero junctions cause the characteristic temperature behavio

Large Signal Characterization of HB.T's for Microwave Applications, including Self-Heating Effects Akhil Garlapati and Sheila Prasad Dept. of Electrical and Computer Eng., 409 Dana Research Center, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA. Ph. No. 617-373-3010, Fax No. 617-373-8970, e-mail: prasad-cdsp.neu.edu July 5, 1999 Abstract This paper presents a unified analyt