Design, Development and Realization of UWB Antenna for Wireless Capsule Endoscopy

In the modern era, humans are suffering from life-threatening diseases that are curable if detected in the early stages. Wireless capsule endoscopy is a modern, non-invasive technique to diagnose the gastrointestinal tract for cancer, Crohn's disease, bleeding, etc. Hence this diagnostic technique has the utmost importance which attracted attention in recent times. To achieve higher data rates and frame rates with higher image resolution, an inner wall dual loop antenna with a u-slotted patch at the UWB band (3.1 GHz to 10.6 GHz) is proposed in this paper. The simulated results show the antenna's excellent performance in terms of return loss with a bandwidth of 7.5 GHz ranging from 3.1 GHz to 10.6 GHz. The antenna is quasi omnidirectional with maximum gains of -36.78 dBi, -38 dBi, -34.36 dBi, and -34.68 dBi at 3 GHz, 5 GHz, 8 GHz, and 10 GHz respectively which is common in antennas for wireless capsule endoscopy because of the highly lossy environment.