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Effects of Nonlinear Amplifier Distortions on UMTS Transmitter System Performance
Effects of Nonlinear Amplifier Distortions on UMTS Transmitter System Performance A. Springer , T. Frauscher , B. Adler , D. Pimingsdorfer , R. Weigel `Institute for Communications and Information Engineering, University of Linz, Austria Altenbergerstr. 69, A-4040 Linz, Tel.: +43-732-2468-9725, Fax.: +43-732-2468-9725, email: springer@mechatronik.uni-linz.ac.at 2 Infineon Technologies, Munich, Ger
TRANSMISSION AND RECEPTION FRONT-END ARCHITECTURES FOR SOFTWARE RADIO
TRANSMISSION AND RECEPTION FRONT-END ARCHITECTURES FOR SOFTWARE RADIO Giuseppe Caire, Pierre A. Humblet, Giuseppe Montalbano, and Alessandro Nordio Institut Eurécom, B.P. 193,06904 Sophia-Antipolis CEDEX, France E-mail: firstname.name@eurecom.fr Abstract- We present low-complexity algorithms for trans- mitter and receiver front-end suited to the implementation of Software Radio (SR) terminals. T
Performance of a MC-CDMA system including Turbo Code for wireless indoor communications
Performance of a MC-CDMA system including Turbo Code for wireless indoor communications Rodolphe Le Gouable, Maryline Hélard France Télécom R&D, DMR/DDH 4, Rue du Clos Courtel B.P. 59 35512 CESSON-SEVIGNE CEDEX France rodolphe.legouable@francetelecom.fr, maryline.helard@francetelecom.fr Abstract In this article, we present performance of a Multi Carrier Code Division Multiple Access (MC-CDMA) f
STOCHASTIC HOPFIELD NETWORK FOR MULTI-USER DETECTION
STOCHASTIC HOPFIELD NETWORK FOR MULTI-USER DETECTION G. Jeney, J. Levendovszky Department of Telecommunications/BUTE, P´ zm´ ny P. s´ t´ ny 1/D. H-1117, Budapest, Hungary a a ea jeneyg@hit.bme.hu - levendov@hit.bme.hu Abstract-- In this paper a novel multi-user receiver is introduced, which unites fast convergence of neural networks with the asymptotically global optimization power of stochastic a
BASED ON SIX-PORT TECHNOLOGY CDMA DIGITAL CELLULAR SYSTEM
BLIND ZF MMSE RECEIVER FOR ASYNCHRONOUS CDMA DIGITAL CELLULAR SYTEM Eric Jadas-Hécart, Jean-Pierre Cances, Vahid Meghdadi University of Limoges / ENSIL, Parc d'ESTER, BP 6804, 87068 Limoges Cedex, France Tel.: (33) 5 55 42 36 70, Fax. : (33) 5 55 42 36 80, Email: cances@ensil.unilim.fr Abstract - We present a new blind adaptive multiuser receive capable of suppressing the multiple-access interfere
BASED ON SIX-PORT TECHNOLOGY
DIRECT CONVERSION RECEIVER MMIC BASED ON SIX-PORT TECHNOLOGY Masayoshi Abe1, Noboru Sasho1, Veselin Brankovic2, and Dragan Krupezevic2 1: Semiconductor Company, Core Technology Network Co., Sony Corporation, 4-14-1, Asahicho, Atsugi, Kanagawa, Japan, abemy@sabip.semicon.sony.co.jp 2: Telecommunication Research & Development Europe, Sony International (Europe) GmbH, Heinrich-Hertz Str. 1, D-70327 S
Hidden Markov Modeling of Error Patterns and Soft Outputs for
Hidden Markov Modeling of Error Patterns and Soft Outputs for Simulation of Wideband CDMA Transmission Systems Peter Kuczynski , Arnaud Rigollé , Wolfgang Gerstacker , Johannes Huber 1 1 2 3 3 Lucent Technologies, Global Wireless Systems Research, Network Technology Group, Thurn-und-Taxis-Str. 10, D-90411 Nürnberg, Germany, pkuczynski@lucent.com 2 Mitsubishi Electric Telecom Europe S.A. - Tri
Necessary and Sufficient Network Size for Pole Capacity Estimation in UMTS FDD
Necessary and Sufficient Network Size for Pole Capacity Estimation in UMTS FDD Thomas NEUBAUER1, Thomas BAUMGARTNER1, Ernst BONEK1,2 1 Institut für Nachrichtentechnik und Hochfrequenztechnik Technische Universität Wien Gußhausstrasse 25/389, A-1040 Wien, Austria 2 FTW, Forschungszentrum Telekommunikation Wien Maderstraße 1/9, A-1040 Wien, Austria email: Thomas.Neubauer@nt.tuwien.ac.at Abstract -
Least Squares De-Spread Re-Spread Multi-target Array (LS-DRMTA) Algorithm for Multi-user Detection in CDMA Mobile Systems
Least Squares De-Spread Re-Spread Multi-target Array (LS-DRMTA) Algorithm for Multi-user Detection in CDMA Mobile Systems M. Hajian, M. Attar, L. P. Ligthart IRCTR/TU Delft, Mekelweg 4, 2628 CD Delft, The Netherlands e-mail: m.hajian@its.tudelft.nl Abstract- LS-DRMTA is a blind algorithm that utilizes the information of the spreading signal of each user in the CDMA system to adapt the weight vecto
PERFORMANCE OF MULTIPLE ANTENNA COMBINING ALGORITHMS IN THE UPLINK OF UTRA/FDD
PERFORMANCE OF MULTIPLE ANTENNA COMBINING ALGORITHMS IN THE UPLINK OF UTRA/FDD Klaus Kopsa1,2, Reinold Weinmann3, Volker Braun3, and Michael Tangemann3 Institut für Nachrichtentechnik und Hochfrequenztechnik Technische Universität Wien, Gußhausstraße 25/389, A-1040 Wien, Austria Klaus.Kopsa@mobile.nt.tuwien.ac.at 2 1 FTW, Telecommunications Research Center Vienna Maderstraße 1/9, A-1040 Wien, Aus