[天线]35 Modeling Omnidirectional Small Antennas for UWB Applications

Modeling Omnidirectional Small Antennas for UWB Applications SO$Af!S:bB  
Stanley Bo-Ting Wang*, Ali M. Niknejad and Robert W. Brodersen 6Wu*zY_+  
Berkeley Wireless Research Center B.q/}\ ?(  
Department of Electrical Engineering and Computer Science Ktq4b%{  
University of California, Berkeley, CA 94704 hx:q@[ +J/  
Email: {sbtwang, niknejad, rb}@eecs.berkeley.edu Re,;$_6o  
ABSTRACT l6/VJ~(}'  
Small antennas are candidates for indoor UWB communication systems operating below K92j BR  
1GHz due to their omnidirectionality and small form factor. The small antennas are modeled m4mE7Wn.3  
as simple circuit networks, and the radiated far fields can be estimated from the voltages =nhY;pY3u  
across the radiation resistors in the networks. With these models, UWB transmitters and [7Lr"  
receivers can be designed in circuit simulators in order to facilitate the co-d .. dHc\M|HCC  
m\6/:~qWW  

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