A new method for enhancing the 2:1 VSWR impedance bandwidth of microstrip antennas is presented. Bandwidth enhancement is achie¨ed by loading the microstrip antenna by a ceramic microwa¨e ( ) dielectric resonator DR . The ¨alidity of this technique has been established using rectangular and circular
Enhanced bandwidth microstrip patch antennas loaded with high permittivity dielectric resonators
β Scribed by P. V. Bijumon; Sreedevi K. Menon; M. T. Sebastian; P. Mohanan
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 124 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0895-2477
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β¦ Synopsis
Abstract
A novel technique for the bandwidth enhancement of conventional rectangular microstrip antenna is proposed in this paper. When a high permittivity dielectric resonator of suitable resonant frequency was loaded over the patch, the % bandwidth of the antenna was increased by more than five times without much affecting its gain and radiation performance. A much more improved bandwidth was obtained when the dielectric resonator was placed on the feedline. Experimental study shows a 2:1 VSWR bandwidth of more than 10% and excellent cross polarization performance with increased pass band and radiation coverage almost the same as that of rectangular microstrip antenna. Β© 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 327β330, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10597
π SIMILAR VOLUMES
## Abstract Experimental investigations of rectangular and circular suspended microstrip patch antennas with dielectric resonator loading at Xβband are reported. With loading, enhanced impedance bandwidth to about 18% is achieved in a single circular patch as compared to 13% for a single rectangula
## Abstract This letter presents a slotβcoupled microstrip patch antenna with harmonics suppression capability within an enhanced bandwidth. Measured return loss result at the operating frequency, second harmonic frequency, and third harmonic frequency were 22.2 dB, 1.77 dB, and 1.93 dB, respective