The Antennas for Mobile Radio Communications A. Krjukov, V. Ovsyanikov Radiophysics Department, Dniepropetrovsk National University, build. 12, Naukovy ­ 9 str., Dniepropetrovsk, Ukraine, 49050, e-mail: root-ap1.net-rff.dsu.dp.ua Abstract The results of new two-frequency two-vibrator radiators researches are presented. It is shown that under certain ratios of operational frequencies there is a cur

WAVE PROPAGATION PHENOMENA FOR WIRELESS INCAR COMMUNICATION Jürgen v. Hagen, Werner Sörgel, Werner Wiesbeck Institut für Höchstfrequenztechnik und Elektronik, Universität Karlsruhe Kaiserstr. 12, 76199 Karlsruhe, Tel +49 721 608 76 76, Fax +49 721 69 18 65 Juergen.vonHagen-etec.uni-karlsruhe.de, Werner.Soergel-etec.uni-karlsruhe.de INTRODUCTION Wireless communication in buildings is a quickly grow

60 GHz Wireless Access System Concept Veselin Brankovic1, Kenichi Kawasaki2, Kazuji Sasaki3, Keiji Fukuzawa3 Yasuhiro Okada3, Dragan Krupezevic1, Mohamed Ratni1, Hamid Alikhani1 Telecommunication Research & Development Europe (TRDE); SONY International GmbH, Stuttgart, Germany1 Advanced Technology Center, Sony Electronics Inc., San Diego, USA2 RF Systems Lab., Home Network Company, Tokyo, Japan3 E

DESIGN OF MILLIMETERWAVE MICRO-MACHINED PATCH ANTENNAS FOR WLAN APPLICATIONS USING A COMPUTATIONALLY EFFICIENT METHOD Dhanesh G-Kurup, Anders Rydberg and Erik Öjefors Signals and Systems Group, Uppsala University, Box 528, SE-75120, Uppsala, Sweden e-mail: dg-signal.uu.se ABSTRACT This paper presents a computationally efficient method for the design of millimeter wave H-slot coupled silicon mi

Millimetre Wave Transmit / Receive Subsystem for Broadband Mesh Networks. Author: E. Bayar Radiant Networks PLC The Mansion Little Chesterford Essex CB10 1XL United Kingdom Tel. +44 1799 533600 Fax. +44 1799 533601 e-mail: esen.bayar-radiantnetworks.co.uk Abstract A completely new approach to broadband wireless access has been developed by Radiant Networks Plc. This radical approach relies on rem

COMPACT DIELECTRIC RESONATOR FILTER FOR MOBILE COMMUNICATIONS K. Mamasis+ and D. Mirshekar-Syahkal* + Siemens Tele Industrie S. A., Georgikis Sholis 89 Ave., Thessaloniki, Greece mamassis-otenet.gr * Dept. of Electronic Systems Eng., University of Essex, Colchester, Essex CO4 3SQ, UK daiush-essex.ac.uk ABSTRACT Using very low-loss ceramic resonators with dielectric constant of 100, design of a

A Design of Predistortive High Power Amplifier using Carrier Complex Power Series Analysis o Sang-Young Yun* , Se-Woong Jeong** , Yong-Chae Jeong** , Chul-Dong Kim* * Sewon Teletech, Anyang-Si, Kyounggi-Do, Korea **Division of Electronics and Information Engineering, Chonbuk Nat'l Univ., Chonju-Si, Korea Email: ycjeong-moak.chonbuk.ac.kr Abstract ­ In this paper, a new carrier complex power seri

BROADBAND PREDISTORTION LINEARISERS P. Kangaslahti, L. Ruokokoski, J. Pohjalainen and P. Jukkala Ylinen Electronics Ltd., Kauniainen, Finland, tel: +358-9-5055211, fax: +358-9-5055547, email:pekka.kangaslahti-ylinen.fi ABSTRACT Digital communications place ever-increasing demands on the linearity of power amplifiers. To meet these challenges, the system engineer needs to either increase the maxim

A Feedforward Power Amplifier with Loops that can reduce RX Band Noises Signals as well as Intermodulation Signals Si-Gyun Jeong*, Seong-Hoon Jeong*, Jeong-Hyeon Cha*, Yong-Chae Jeong*, Chul-Dong Kim** *Division of Electronic & Information Engineering , Chonbuk Nat'l Univ. , R. O. Korea **Sewon Teletech, Anyang-Si, Kyunggi-Do, Korea E-mail : ycjeong-moak.chonbuk.ac.kr Abstract - In this paper, a n