2020. Gain and Bandwidth Considerations for Microstrip Patch Antenna Employing U and Quad L shaped Slots with DGS and Parasitic Elements for WiMax / WiFi Applications. European Journal of Engineering and Technology Research. 5, 3 (Mar. 2020), 327–330. DOI:https://doi.org/10.24018/ejeng.2020.5.3.1834.