Title :
Widened bandwidth of a metamaterial ZOR patch antenna with a short-circuited ring
Author :
Mok, Se-gyoon ; Kahng, Sungtek ; Kim, Yongjin
Author_Institution :
Dept. of Inf. & Telecommun. Eng., Univ. of Incheon, South Korea
Abstract :
In this paper, we present a new low-profile composite right and left-handedness(CRLH) metamaterial zeroth order resonance(ZOR) antenna which originally has the bandwidth of 80MHz and is treated further to have 1428 MHz as an improved bandwidth for center frequency 2.5GHz as the ZOR frequency, by merging the -1st, zeroth, and +lst resonance modes to the ZOR. We have experienced nearly 50% fractional bandwidth(FBW) and the monopolar radiation patterns are maintained in the entire band, which outdoes other ZOR antennas [1-5] suffering from FBW far less than 10%. This design method is verified by 3D EM simulations and measurement.
Keywords :
antenna radiation patterns; equivalent circuits; metamaterial antennas; microstrip antennas; monopole antennas; CRLH metamaterial; bandwidth 1428 MHz; composite right and left-handedness metamaterial; frequency 2.5 GHz; metamaterial ZOR patch antenna; monopolar radiation patterns; short-circuited ring; widened bandwidth; zeroth order resonance antenna; Metamaterial CRLH; Wide Band; Zeroth Order Resonance;
Conference_Titel :
Antennas and Propagation in Wireless Communications (APWC), 2011 IEEE-APS Topical Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4577-0046-0
DOI :
10.1109/APWC.2011.6046768
