Adaptive elliptical patch antenna array for WLAN: A Smart approach to beam switching through phase shifting in feed network using elliptical patch array for Dual Band
Abstract
The WLAN is operated in some high traffic area where the radiation beam produced by the elliptical patch antenna is to be utilized with optimum efficiency. The aim of the antenna array is to produce some directive and switched beams rather than producing omni-directional pattern which cover 360°, can be considered to be wastage in some non-used or low traffic areas. Hence, directive beam and switching it without actually changing the direction of the elliptical patch array is a smart way for WLAN application . A smart antenna array system performs the adaptive beam forming by focusing the beam in the desired direction and creating nulls in other directions to avoid the interference and the wasting of the beams. This is performed by the operating the phase shifting in its feed network and different ports. This paper investigates the performance of the elliptical patch array patterns operating in dual bands with different phase shifting for the optimum performance of the WLAN applications.
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