A SURVEY ANALYSIS ON COMPACT UWB CIRCULAR MONOPOLE ANTENNA WITH MULTIPLE NOTCHED BANDS
Keywords:
UWB Antenna,, Monopole Antenna,, Notched bandsAbstract
Evolution in high speed wireless communication technology triggers the necessity for wideband antennas in portable devices. Federal communication commission (FCC) has authorized 3.1 GHz to 10.6 GHz for ultra widebandapplications and is considered as eminent solution for emerging wireless technology due to its enticing merits like high data rate, jamming resistance and improved throughput capabilities. In recent years, ultra wideband(UWB) system has been requiredfor many applications because of its plenty of advantages, such as low complexity and low cost, resistant to severe multipath and jamming, etc. The increased growth of wireless technology has motivated researchers to design antennas. Ultra wideband(UWB) technologies have become very attractive due to the numerous advantages such as gigabit/second-level data rate, high security, and low cost. Interference between ultra wideband(UWB) antennas and other narrow band systems have spurred growth in designing UWB antennas with notch characteristics. Most of these UWB antennas are designed to meet the UWB specification and are suitable for practical implementation. However, the existing narrowband services such as WLAN (5.15~5.35 and 5.725~5.85 GHz) and WiMAX (3.4~3.6 GHz) may produce interference with the UWB spectrum. The use of a notch filter has put an additional constraint on antenna design. Therefore, a UWB antenna with band-notch characteristics can be an alternative method.
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