Beam Forming Network For WLAN - Couverture souple

Yadav, Ajay; Upmanu, Vishal

Couverture souple

ISBN 10 : 3659313769 ISBN 13 : 9783659313769

Editeur : LAP LAMBERT Academic Publishing, 2012

Synopsis

In recent years, high-speed wireless communication is in vogue. In wireless communication systems, multipath fading, delay and interference occurred by reflection or diffraction. In a high-speed wireless communication, it becomes a necessity to separate desired signal from delay or interference signal. Thus to overcome these problems Smart antenna systems have been developed. Smart antennas employ a set of the radiating elements that are combined to form a movable or switchable beam pattern that follows the desired user. The arrays by themselves are not smart, it is the digital signal processing that makes them smart. The process of combining the signals and then focusing the radiation in a particular direction is often referred to as digital beam forming. Smart antennas are most often realized with either switched-beam or fully adaptive array antennas. A smart antenna system consists of an antenna array, associated RF hardware, and a computer controller that changes the array pattern in response to the radio frequency environment, in order to improve the performance of a communication or radar system. In the switched beam system there is the beam forming network which w

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This thesis presents the Design,and Analysis of a beam forming network as a key component of a switched beam smart antenna system, operating at 5.3GHz for WLAN with a dielectric substrate, FR4 of =4.9 and h=1.6mm. Conception details, simulation results and measurements are also given for the components (microstrip antenna, hybrid coupl

Détails de l'édition

• Éditeur: LAP LAMBERT Academic Publishing
• Date d'édition: 2012
• Langue: anglais
• ISBN 10: 3659313769
• ISBN 13: 9783659313769
• Reliure: Broché
• Nombre de pages: 68
• Coordonnées du fabricant: non disponible
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