FENG Kuisheng, LI Na, MENG Qingwei, et al., “Study on Dielectric Resonator Antenna with Annular Patch for High Gain and Large Bandwidth,” Chinese Journal of Electronics, vol. 24, no. 4, pp. 869-872, 2015, doi: 10.1049/cje.2015.10.034
Citation: FENG Kuisheng, LI Na, MENG Qingwei, et al., “Study on Dielectric Resonator Antenna with Annular Patch for High Gain and Large Bandwidth,” Chinese Journal of Electronics, vol. 24, no. 4, pp. 869-872, 2015, doi: 10.1049/cje.2015.10.034

Study on Dielectric Resonator Antenna with Annular Patch for High Gain and Large Bandwidth

doi: 10.1049/cje.2015.10.034
Funds:  This work is supported by the National Natural Science Foundation of China (No.61401499).
  • Received Date: 2014-10-17
  • Rev Recd Date: 2015-03-25
  • Publish Date: 2015-10-10
  • A new high-gain cylindrical Dielectric resonator antenna (DRA) with a large bandwidth is proposed. A cylindrical Dielectric resonator (DR), a double-annular patch and a metallic cylinder are used to obtain a large bandwidth and a high gain. The mode TM12 excited in the patch is used to enhance the gain of the DRA, and the cavity formed by the metallic cylinder provides a further higher gain and a larger bandwidth. The measured results demonstrate that the proposed DRA achieves a large bandwidth of 23% from 5.3 to 6.8GHz with VSWR less than two and a high gain around 11 dBi.
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