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RECONFIGURABLE SINGLE AND MULTIBAND INSET FEED MICROSTRIP PATCH ANTENNA FOR WIRELESS COMMUNICATION DEVICES

By D. M. N. Elsheakh, H. A. Elsadek, E. A. Abdallah, M. F. Iskander, and H. M. S. El-Hennawy

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Abstract:
Two novel designs for compact reconfigurable antennas are introduced for wireless communication devices. These designs solve the steering frequency problem by tracking the desired resonance frequency or by generating various operating frequency bands to be selected electronically. In the first design, the length of the rectangular defected ground structure (RDGS) is electrically adjusted to change the resonant frequency of the MPA. While in the second design different turns of spiral AMC ground plane generate frequency bands, or modes, that are selected/optimized to serve different communication systems simultaneously. These systems may include various combinations of bluetooth, S-band and wireless local-area network (WLAN). These designs have several advantages as the total antenna volume can be reused, and therefore the overall antenna will be compact, although, the radiation of the MPA is kept fixed without any degradation. The designs are verified through both numerical simulations and measurement of a fabricated prototype. The results confirm good performance of the single and multiband reconfigurable antenna designs.

Citation:
D. M. N. Elsheakh, H. A. Elsadek, E. A. Abdallah, M. F. Iskander, and H. M. S. El-Hennawy, "Reconfigurable Single and Multiband Inset Feed Microstrip Patch Antenna for Wireless Communication Devices," Progress In Electromagnetics Research C, Vol. 12, 191-201, 2010.
doi:10.2528/PIERC10011503

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