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Calibration of a RF receiver using the "Five-Port" technology
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An Active Integrated Antenna (AIA) With Image Rejection
An Active Integrated Antenna (AIA) With Image Rejection Widad Ismail, Peter Gardner Electronic, Electrical And Computer Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK. TEL: +44 (0) 121 4144334 / 4144343 Abstract -- A new configuration of active integrated antenna (AIA) featuring low noise and image frequency rejection is implemented. The LNAs, mixers, LO and IF hybrid co
S parameter model for Contactless smart Cards
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Carrier recovery in five-port receivers
Carrier recovery in five-port receivers Fernando Rangel de Sousa and Bernard Huyart Departament of Communications and Electronics - COMELEC Ecole Nationale Sup´ rieure des T´ l´ communications e ee 46 rue Barrault, 75634 Paris - FR Tel.:+33(0)145-81-7208, Fax:+33(0)145-80-4036 Email:fernando.rangel@enst.fr,bernard.huyart@enst.fr Abstract-- Direct conversion receivers present unique advantages wit
New Method for the Estimation and Compensation of IQ-Imbalances in Direct Down Converters
New Method for the Estimation and Compensation of IQ-Imbalances in Direct Down Converters T. Bitzer, F. Endress, A. Pascht and M. Schreiter Alcatel SEL AG, Holderaeckerstrasse 35, 70499 Stuttgart, Germany phone: +49 711 821 36756, fax: +49 711 821 32185, e-mail: Thomas.Bitzer@alcatel.de Abstract -- In this work, a new method for the estimation and the compensation of IQ-imbalances in direct down c
A Table-Based Asymmetric System Mixer Model
A Table-Based Asymmetric System Mixer Model* Jiang Liu1, Lawrence P. Dunleavy1 and Terje B. Svensen2 1 2 Department of Electrical Engineering, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, USA 33620 G.A. International Electronics Corp., 825 Brickel Bay Drive, Tower Three, Suite 1845, Miami, FL, USA 33131 such as intermodulation table (IMT) files [8] to predict mixer performance. A c
Compensation of the HF memory effect of a nonlinear amplifier in a multi-carrier transmission
Compensation of the HF memory effect of a nonlinear amplifier in a multi-carrier transmission 1 2 ECIME ENSEA/UCP ETIS - ENSEA/UCP/CNRS 6 avenue du Ponceau - 95014 Cergy Cedex - France A.Chaker1,2, M.Ariaudo1, I.Fijalkow2, J.LGautier1 Abstract This paper presents some results on the effect of the HF memory of a nonlinear amplifier during an OFDM (Orthogonal Frequency Division Multiplexing) tra
Effect of PA Nonlinearity on Edge Modulation Standard
Effect of PA Nonlinearity on Edge Modulation Standard Gianfranco Avitabile1, Biagio Bisanti2, Stefano Cipriani2, Nicola Lofù1 2 Politecnico di Bari, DEE, via E. Orabona 4, 70125, Bari, Italy, +39-0805963854 Texas Instruments France, Mixed Signal group, avenue Jack Kilby 821, 06271, Villeneuve Loubet Cedex, France In (2) the term ln=0,1,...7 gives the correct mapping of each triplet (i.e. each sym
Combined Effect of Power Amplifier Non-linearity and Oscillator Phase Noise in IEEE 802.11a Wireless LAN Transmitter
Combined Effect of Power Amplifier Non-linearity and Oscillator Phase Noise in IEEE 802.11a Wireless LAN Transmitter Sanghyun Woo i-Networking LAB, Samsung Advanced Institute of Technology (SAIT), San 14-1,Nong-se-ri, Ki-hung-ub, Yong-in-si, Kung-gi-do, 449-712, Korea, Tel : 82-31-280-9614, email : shwoo@sait.samsung.co.kr Abstract -- In this paper, the performance degradation of an IEEE 802.11a W
Vehicular Occultation in Mobile Radio Propagation and its Modeling with Knife Edge Diffraction
Vehicular Occultation in Mobile Radio Propagation and its Modeling with Knife Edge Diffraction Hiroaki Uemura, Takuya Taniguchi, and Takehiko Kobayashi Wireless Systems Laboratory, Tokyo Denki University 2-2 Nishiki-cho, Kanda, Chiyoda-ku, Tokyo, 101-8457 Japan Phone/Fax: +81-3-5280-3839 E-mail: hiro@grace.c.dendai.ac.jp Abs r --Thi paper pres s t t act s ent he res t of t uls he propagaton cam pa