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The new services available through smart devices require very high cellular network capacity. The capacity requirement is expected to increase exponentially with the forthcoming 5G networks. The only available spectrum for truly wideband communication (>1 GHz) is at millimeter wavelengths. The high free space loss can be overcome by using the directive and beam-steerable antennas. This paper describes...
This paper presents design of an integrated lens antenna aimed for beam-steering applications at the E-band. A 95-mm lens antenna is designed and fabricated in order to provide high and almost constant gain in an angular beam steering range up to 16° off from the bore-sight. The radiation pattern of the lens antenna is measured at 75 GHz with an open-ended WR-10 waveguide as the lens antenna feed...
Electrical beam steering is demonstrated using a lens antenna integrated with an LTCC feed array at 77 GHz. The Teflon lens antenna is an extended hemispherical lens with diameter of 100 mm and its extension length of 85 mm is optimised in order to provide the maximum directivity. The feed array has eight patch antenna elements, which are in a linear configuration. The separation between adjacent...
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