Frequency notched wide slot antenna for UWB/2.4 GHz WLAN applications |
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Authors: | L Wen-jun ZHU Hong-bo |
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Affiliation: | Laboratory of Wireless communications and EMC, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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Abstract: | A compact frequencynotched microstrip slot antenna for ultra-wideband (UWB) /2.4 GHz-band wireless local areanetwork (WLAN) applications is proposed. The antenna is similar to a conventionalmicrostrip slot antenna; however, by introducing a cross wide slot and a meandered-slottedstub, both compact size and frequency notched function can be achieved. It has beenstudied both numerically and experi- mentally for its impedance bandwidth, surface currentdistribution, radiation patterns, and gain. As will be seen, an operation bandwidth ofover 4.61 ranging from 2.39 to 11.25 GHz for return loss lower than having a frequencynotched band ranging from 4.75 to 5.85 GHz has been achieved, and good radiationperformance over the entire frequency range has also been achieved. |
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Keywords: | printed slot antenna frequency notched ultra- wideband 2.4 GHz-band WLAN |
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