[天线]Band-Rejected Design of the Printed Open Slot Antenna for WLAN/WiMAX Operation

Band-Rejected Design of the Printed Open Slot Antenna for WLAN/WiMAX Operation 2c8,H29  
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Wen-Shan Chen, Senior Member, IEEE, and Kuang-Yuan Ku m'aw`?  
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Abstract—The band-rejected designs of the printed open slot antenna I+`~6  
for wireless local area network (WLAN)/worldwide interoperability /,E%)K;  
for microwave access (WiMAX) applications are investigated. ZW+{<XTof4  
First, the broadband characteristic (2 3 6 GHz) of gA~Ih  
open slot antenna design with small size is implemented and measured. !c(B^E  
Then, inserted a single strip on the broadband antenna is :8Q6=K87  
studied and investigated. By inserting a strip on the printed open w`>xK sKW>  
slot of the broadband antenna, to reject frequency from 3.56 to 4.58 {*jkx,|  
GHz, a dual-broadband design of the open slot antenna with small ;EL!TzL:8  
size is obtained for WLAN applications in the 2.4 GHz (2400–2484 6G@_!i*2F  
MHz) and 5 GHz (5150–5825 MHz) bands. Furthermore, by inserting ']Y:f)i#  
two strips of different length on the open slot antenna, a 0lmoI4bW}s  
three-band antenna is achieved. By adjusting the dimension of two -k$rkKHZ(  
strips on open slot antenna, a three operating modal frequencies at Y&'2/zI6~  
2 37 2 72, 3 31 3 78, and 4 5 5 97 GHz for WiMAX |P5?0{  
application have been obtained. Detailed design steps and experimental jn)~@~c  
results for the designs are studied and investigated in this ;M"hX  
paper. hbE;zY%hP  
Index Terms—Band-rejected (band-not .. ^!pagt^  
n2(~r 'r)  

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