A Novel Kind of Bluetooth and UWB Antenna

摘要

Microstrip antennas have many attractive propertieslow profile, light weight, and easy to be integrated with circuits and so on. The paper puts forward a novel kind of microstrip antenna, which can cover 2.4-2.5 GHz (Bluetooth) and 3.1-10.6 GHz (UWB) bands. At the same time, it can realize omnidirectional radiation patterns across the whole operating frequency band by catting the gronnd conductor and adding a branch at the top of the antenna. Simulated results have shown that the antenna has a stable phase center, constant group delay, linear phase and good time-domain impulse response, low cross polarization level, flat gain. Therefore, the antenna can well meet the requirements of wireless communication in both the Bluetooth and UWB bands.