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Multi-band polarization-versatile array antenna for smart antenna applications in cellular systems

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5 Author(s)
Wagner, M. ; Huber + Suhner AG, Pfaffikon, Switzerland ; Goebel, Uhland ; Hesselbarth, J. ; Graeni, M.
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A new array antenna concept for application as smart antenna in cellular systems has been developed. It was implemented as a compact, 4×4 dual polarized, multi-band array together with a calibration network which satisfies the tight tolerances of the system requirements. A three-dimensional radiator structure made of metalized plastic covers more than 20% bandwidth (VSWR<1.5) and allows various polarizations, e.g., dual-slant polarization. A large microstrip board for signal distribution forms a sandwich structure together with a carbon-fiber reinforced back-plate and a foam-filled epoxy radome. These measures keep the weight of the array exceptionally low while ensuring high mechanical stability.

Published in:

Microwave Symposium Digest, 2004 IEEE MTT-S International  (Volume:3 )

Date of Conference:

6-11 June 2004