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Shaped dielectric lenses for wireless millimeter-wave communications

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1 Author(s)
Fernandes, C.A. ; Inst. de Telecommun.-Polo de Lisbon, Inst. Superior Tecnico, Lisbon

Dielectric-lens antennas are effective at producing highly shaped beams that can enhance the performance of wireless broadband communication systems. Beam shaping is used to reduce multipath interference, which causes fading and decay spread, and to enhance gain, so that the received power level is compatible with the requirements of high-data-rate transmission. This paper presents an overview of the design and measured performance of some examples of dielectric lenses that can be used in typical scenarios of wireless broadband communication systems. The paper also addresses the radio coverage produced by these antennas. The lenses are based on a single basic configuration where the feed is embedded in the lens body. This antenna configuration is flexible enough to accommodate different target beam-shaping specifications

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:41 ,  Issue: 5 )

Date of Publication:

Oct 1999

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