@Article{cmc.2019.07073,
AUTHOR = {Taohua  Chen, Yueyun  Chen, Rongling  Jian, Zushen  Liu, Alan  Yang},
TITLE = {A Novel Broadband Microstrip Antenna Based on Operation of Multi-Resonant Modes},
JOURNAL = {Computers, Materials \& Continua},
VOLUME = {60},
YEAR = {2019},
NUMBER = {1},
PAGES = {335--349},
URL = {http://www.techscience.com/cmc/v60n1/28362},
ISSN = {1546-2226},
ABSTRACT = {A novel broadband microstrip antenna under operation of TM<sub>1/2,0</sub>, TM<sub>10</sub> and TM<sub>12</sub> modes through a shorting wall and slots is proposed in this paper. Initially, an inverted U-shaped slot is adopted around the feeding point, which achieves a good impedance matching on TM<sub>10</sub> mode and separates the patch into two parts. Additionally, a shorting wall is added underneath the edge of smaller patch to excite another one-quarter resonant mode, i.e., TM<sub>1/2,0</sub> mode of smaller patch close to TM<sub>10</sub> mode to expand the impedance bandwidth. Further, the antenna width is enlarged and two symmetrical vertical rectangular slots are cut on the patch to reduce the frequency of TM<sub>12</sub> mode to form a broadband. Based on the arrangements above, a wide impedance bandwidth with three minima can finally be achieved. The results show that the impedance bandwidth of proposed antenna for |S11|<-10 dB is extended to 26.5% (23.5-30.67 GHz), which is three times of the conventional antenna at same profile. Moreover, a stable radiation pattern at broadside direction is realized over the operating band.},
DOI = {10.32604/cmc.2019.07073}
}