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ECWT: Low-Cost Direct 23GHz Transceiver for Wideband Wireless Internet Access
Low-Cost Direct 23GHz Transceiver for Wideband Wireless Internet Access Miroslav Peri 1, Branka Jokanovi 1, Predrag Manojlovi 1, Nenad Popovi 1 1 IMTEL Institute, Bulevar Mihaila Pupina 165, 11070 Novi Beograd, Serbia and Montenegro [1]. With significant equipment cost reduction as our main goal, we realized alloutdoor system for 23GHz band based on direct modulation and demodulation [2] and ana
ECWT: A 2.14 GHz, 0.78 dB Noise Figure CMOS Low Noise Amplifier
A 2.14 GHz, 0.78 dB Noise Figure CMOS Low Noise Amplifier Dariusz Pienkowski, Radu Circa and Georg Boeck Technische Universitaet Berlin, Microwave Engineering Group Sekr. HFT 5-1, Einsteinufer 25, 10587 Berlin, Germany Phone: +493031426895, Fax: +493031426893 Email: dariusz.pienkowski@ieee.org Abstract-- This work presents a 2 GHz LNA designed for UMTS mobile terminals. The circuit is implemented
ECWT: A Comparison Between Spatial and Polarisation Diversity for Transmit Beamforming Techniques
A Comparison between Spatial and Polarisation Diversity for Transmit Beamforming Techniques Guillaume Andrieux, Jean-François Diouris and Yide Wang IREENA, équipe Communications Numériques et Radiofréquences Ecole Polytechnique de l'université de Nantes La Chantrerie, 44306 Nantes Cedex, France Tel : +33 2 40 68 32 25, Fax : +33 2 40 68 32 33 guillaume.andrieux@polytech.univ-nantes.fr Abstract :
ECWT: Investigation of 2D Phased Smart Antenna Array for LEO Satellite System
Investigation of 2D phased smart antenna array for LEO satellite system Krzysztof Kurek, Yevhen Yashchyshyn, Grzegorz Kondrak, Jozef Modelski Warsaw University of Technology, Institute of Radioelektronics, ul. Nowowiejska, 15/19, 00-665 Warsaw, Poland phone +48 22 660 54 76, fax +48 22 825 37 69, e-mail: K.Kurek@ire.pw.edu.pl, E.Jaszczyszyn@ire.pw.edu.pl, gkondrak@elka.pw.edu.pl, J.Modelski@ire.pw
ECWT: A Miniature UWB Planar Monopole Antenna with 5 GHz Band-Rejection Filter
A Miniature UWB Planar Monopole Antenna with 5 GHz Band-Rejection Filter Young Jun Cho1, Ki Hak Kim1, Soon Ho Hwang1, and Seong-Ook Park1 1 Information and Communications University, School of Engineering, 119, Munjiro, Yuseong-gu, Daejeon, 305-714, Korea, +82-42-866-6202 bandwidth operation, but increase the size of the antenna [7], [8]. Broadband performance can be obtained by using a monopole
ECWT: Micromachined CPW-Fed Suspended Patch Antenna for 77 GHz Automotive Radar Applications
Micromachined CPW-Fed Suspended Patch Antenna For 77 GHz Automotive Radar Applications Hyung Suk Lee, Jeong-Geun Kim, Songcheol Hong, Jun-Bo Yoon Korea Advanced Institute of Science and Technology, Department of Electrical Engineering and Computer Science, Daejeon 305-701, Korea (e-mail: hslee@3dmems.kaist.ac.kr) antenna, various methods have been reported such as making a cavity around and beneat
ECWT: On the MIMO Capacity of Planar, Log.-Per. Four-Arm Antennas
On the MIMO Capacity of Planar, Log.-Per. Four-Arm Antennas Oliver Klemp, Hermann Eul University of Hannover, Department of High Frequency Technology and Radio Systems, Appelstr. 9A, 30167 Hannover, Germany, Tel.: +49 (0)511-762 5266, klemp@hft.uni-hannover.de to 6.0 GHz, where they provide almost constant impedanceand radiation properties and offer a high degree of crosspolarization decoupling. I
ECWT: A Fully Integrated Low-Power CMOS Power Amplifier for Biomedical Applications
A Fully Integrated Low-Power CMOS Power Amplifier for Biomedical Applications Samar M. Abdelsayed, M. Jamal Deen and Natalia K. Nikolova McMaster University, Department of Electrical and Computer Engineering 1280 Main Street West, Hamilton, ON, L8S 4K1, Canada Tel: 1-905-5259140 x27137, Email: jamal@mcmaster.ca Abstract -- There is an emerging need for fully integrated power amplifiers (PAs) for v
ECWT: Modeling of a Communication Chain with Implementation of a Volterra Power Amplifier Model for Efficient System Level Simulation
Modeling of a communication chain with implementation of a Volterra power amplifier model for efficient system level simulation A. Bennadji1, A. Layec1, A. Soury1, A. Mallet2, E. Ngoya1 and R. Quéré1 1 IRCOM,UMR CNRS 6615, University of Limoges;123 av. A. Thomas, 87060 Limoges, France. Email : layec@ircom.unilim.fr, benadji@ircom.unilim.fr. 2 CNES, Avenue E.Belin, Toulouse, France. II. DESCRIPTIO
ECWT: A Low-Profile Antenna Solution for Mobile Phones with GSM, UMTS and WLAN Operation
A Low-Profile Antenna Solution for Mobile Phones with GSM, UMTS and WLAN Operation A. Rennings, S. Otto, A. Pimpertz, P. Waldow Duisburg-Essen University, Department of Engineering (ATE), Bismarckstr. 81, D-47048 Duisburg, Germany Tel: +49-203-379-3183, Fax: +49-203-379-3499, E-Mail: A.Rennings@ieee.org Abstract -- A novel low-profile antenna solution for mobile communication devices consisting of