In this work a 2-D electronic beam steering array is presented. The 8×8 antenna operates in the frequency range 4.4 ÷ 5 GHz. Each radiating element is connected to an independently controlled analog phase shifter, thus allowing a continuous steering of the main beam both in elevation and in azimuth. The whole antenna is realized in printed technology, and all the RF and biasing circuitry is realized on a single layer, while the radiating part is realized by an array of cavitybacked slot-fed patches, thus resulting in an extremely compact and modular solution. Preliminary measurements show the good performance achievable and confirm the beam-shaping and interference-nulling capabilities of the presented antenna system.
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