[天线]35 Modeling Omnidirectional Small Antennas for UWB Applications

Modeling Omnidirectional Small Antennas for UWB Applications kjW`k?'s  
Stanley Bo-Ting Wang*, Ali M. Niknejad and Robert W. Brodersen :@X@8j":  
Berkeley Wireless Research Center I-q@@!=  
Department of Electrical Engineering and Computer Science dQFx]p3L  
University of California, Berkeley, CA 94704 {z%%(,I  
Email: {sbtwang, niknejad, rb}@eecs.berkeley.edu mY1$N}8fm  
ABSTRACT \oGZM0j  
Small antennas are candidates for indoor UWB communication systems operating below /SD2e@x{U  
1GHz due to their omnidirectionality and small form factor. The small antennas are modeled aI8K*D )@  
as simple circuit networks, and the radiated far fields can be estimated from the voltages `Uw^,r  
across the radiation resistors in the networks. With these models, UWB transmitters and J_mpI.^Bsf  
receivers can be designed in circuit simulators in order to facilitate the co-d .. bsmnh_YRj  
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