In this paper, the authors carried out to analyze the design parameters of hexagonal patch antenna with coaxial feedings. With the use of coaxial cable as a radiating element in microstrip antenna efficiency up to 98.64% has been achieved. Different ground dimensions have been taken for better current distribution results. The dimension of the microstrip antenna also has an effect on the antenna performance because the current is distributed along the edge on the radiator. Moreover different slots have been made in ground to make better current distribution.