Circularly-Polarized Discrete Lens Antennas in the 60-GHz Band
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This paper presents the design and demonstration of two circularly-polarized transmit-arrays operating in the 60-GHz band and generating a broadside beam and a 30°-tilted beam respectively. These arrays have a fairly simple structure with only three metal layers and are fabricated with a standard printed-circuit board technology. The simulated results show the performances of the unit-cells as well as the whole arrays, and detail their power budget. The experimental results in V-band are in very good agreement with the simulations and demonstrate very satisfactory characteristics. Power efficiencies up to 53.7% are reached with a 1-dB gain-bandwidth up to 9.1%, and low cross-polarization level.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2011, vol. 20, č. 4, s. 733-738. ISSN 1210-2512
- 2011/4