Wide band Microstrip Patch Antenna Array with Parasitic Element for Automotive Radar Applications

In this paper a low cost array of 6 patch elements for 24 GHz is designed for automotive radar applications. Antenna array is made up of FR-4 material having dielectric constant of 4.4 that makes it very cost effective. This antenna has the complete dimension of 55X30X0.8 mm
³
. This antenna array covers a wide frequency range 22.65- 25.33 GHz. Antenna array has the gain of 7.3dBi at the frequency of 24 GHz. A single parasitic element is used to enhance the property of the antenna array.