A 60-GHz on-chip antenna using standard 0.18μm CMOS technology

This paper presents a 60GHz planar on-chip antenna fabricated with a standard 0.18-μm CMOS process. The antenna has a U-shaped radiating patch, which is fed by a 50-Ω coplanar waveguide (CPW). It has a compact size of 1.5mm × 1.5mm × 0.26mm. The simulation work is optimized by using an FEM-based 3-D commercial EM software Ansoft HFSS. Simulated results shows that the on-chip antenna has a good impedance from 55GHz to 64GHz and nearly omni-directional radiation patterns and stable gain are also achieved. Measuring experiment has also been conducted to verify the antenna's performance. Measured results matches well with the simulation, which shows that it has a good impedance matching across 55-64GHz and it can be integrated in CMOS circuits for future wireless network.

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