Abstract
A novel type of integrated dielectric antenna is presented, which is suitable for low-loss integrated transceiver front-ends in the upper microwave or millimeter wave frequency ranges. The proposed antenna comprises a dielectric high permittivity substrate acting as grounded slab waveguide and a simple planar lens on top for beam focusing. The guided wave is gradually transformed to free space by a curved ground plane for end-fire radiation from the substrate edge. Apart from high radiation efficiency due to very low conductor losses, the use of a standard substrate material also simplifies manufacturing and allows accommodating MMICs or bias circuitry at minimum cost. Simulation and measurement results are presented for a scaled prototype in X-band. Simulation studies were also conducted at millimeter-wave frequencies, where the low-loss advantage is even more evident. Having dimensions of 10 mm × 18 mm, an example design provides a gain of 15 dBi at 60 GHz and a radiation efficiency of more than 80 % if a Duroid ® 6010LM
Highlights
Among the most important parts of a wireless system is the antenna, since it strongly influences the overall receiver sensitivity and the link budget
Wireless transmission for consumer products will happen at much higher frequencies than nowadays, i.e. in the millimeter wave frequency range
An additional simulation study of a 60-GHz example antenna is presented to demonstrate its suitability for mm-wave frequencies
Summary
Among the most important parts of a wireless system is the antenna, since it strongly influences the overall receiver sensitivity and the link budget. Wireless transmission for consumer products will happen at much higher frequencies than nowadays, i.e. in the millimeter wave (mm-wave) frequency range. This is required to achieve very fast data exchange and HD video streaming between all kinds of consumer products [1,2,3]. An additional simulation study of a 60-GHz example antenna is presented to demonstrate its suitability for mm-wave frequencies
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