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A wide-band monopole antenna is reported here. This antenna attributes a broad band-width ranging from 1.5 GHz to 7.2 GHz (76.31%) effectful for broad-band wireless application. The antenna comprises of a rectangular metal patch and an altered ground plane. This antenna is named as Antenna XX and is fed with 50 Ω transmission line. Now the antenna is suitably cut at the two corner sides of the metal patch near the feed line and also a rectangular portion of the metal patch has been removed to make the above said antenna perform as a dual band nature. This new geometry of the antenna is named as Antenna YY and provides double band of frequencies. Range of lower bandwidth is 1.7-3.2 GHz having 2.4 GHz middle frequency and range of upper bandwidth is 6.1-7.6 GHz with 6.9 GHz centre frequency. Accessible bandwidths for lower and upper band are 61.44% and 22% individually. The resultant two bands are effective for WLAN and C band applications. These two detailed antennas give monopole similar E-Plane and omnidirectional H-plane radiations patterns. These two antennas are designed and simulated by HFSS software.

Design of Broadband and Dual-band Monopole Antennas applicable in Various Wireless Fields