[天线]47 High-Gain and Wide-Band Single-Layer Patch Antenna for Wireless Communications

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 1, JANUARY 2005 33 LGK&&srJs  
High-Gain and Wide-Band Single-Layer Patch Antenna for Wireless Communications 6 w'))Z  
Chi-Lun Mak, Member, IEEE, Hang Wong, Member, IEEE, and Kwai-Man Luk, Fellow, IEEE T/FZn{I  
Abstract—A technique employing the use of parallel feeds is '#C5m#v  
applied to the recently proposed -probe coupled patch antenna Eunmc  
design. By employing only two -probes, with proper separation, ]N2! 'c  
for feeding one single patch, a twin- -probe coupled patch ~h:(9q8NLC  
antenna is designed with both high-gain (10 dBi) and wide-band @\r2%M-  
[25%, standing wave radio (SWR) 1 5] characteristics. In 6zi 5#23  
addition, the 1-dB-gain bandwidth is around 26%, which covers U[?f@.&  
the impedance bandwidth. Furthermore, a noticeable suppression #KNl<V+c}1  
of cross-polarization radiation is observed. Simulation results are "ql$Rz8  
in good agreement with those noteworthy characteristics obtained nYR#Q|  
from experiments. The proposed antenna is suitable for modern 34QW^{dgE  
mobile communication applications. .. Z~w2m6;s  
D\Y,2!I  

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