A compact and geometrically simple millimeter wave antenna is proposed and discussed in this work. The suggested design contains an inverted L-shaped stub and a circular ring-shaped stub. The antenna is fed at the left corner of the substrate material Rogers 6002. The purpose of the stubs is to increase the antenna's bandwidth and return loss. Furthermore, the antenna operates at the resonance frequency of 28 GHz and provides wideband with a high gain up to 10 dBi. Additionally, antenna results are compared to recent research works. Based on the comparison and outcomes, the presented antenna is an excellent choice for future compact devices operating in the millimeter wave spectrum.