Abstract
This paper presents the design and development of a four-element, corporate feed, linear subarray for possible use in a base-station antenna developed for the DCS1800 system. The subarray, with the main beam 30° off boresite toward the ground, uses strip-slot-foam inverted-patch construction to increase the operational bandwidth. The design was carried out using a combination of the commercial software packages Ensemble and PCAAD. Experimental and simulated results for return loss and radiation patterns are presented and compared; a good agreement is seen in the return loss results, and the main beam is tilted as predicted; however, the measured sidelobe levels are higher than desired. ©1999 John Wiley & Sons, Inc. Microwave Opt Technol Lett 20: 169–173, 1999.
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