This research analyzes and implements an innovative and tiny ultrawideband (UWB) antenna with band-notched features for body-centric communication. The shape of the designed antenna looks like a 'swan' with a slotted patch. Computer Simulation Technology (CST) is used to assess and investigate the performance of this antenna. With a band notch, this antenna can prevent interference from Wireless Local Area Network (WLAN) (5.15-5.825 GHz) and Worldwide Interoperability for Microwave Access (WiMAX) (5.25-5.85 GHz) systems. At first, the performance parameters like return loss response, gain, radiation patterns, and radiation efficiency of this UWB antenna are evaluated. After that, the human body effects on the antenna performance of the antenna are also examined to place the antenna at various distances away from 3-layers of phantom body model at different frequencies. All the on-body performance parameter results are compared and analyzed with free space performance parameter results. Lastly, by changing patch slot length and ground plane length, parametric studies were done for performance comparison. According to this research, it is noticed that the antenna is tiny and new. It shows good performance in body case as well. Hence, the antenna is very suitable for healthcare applications.