FENG Kuisheng, LI Na, MENG Qingwei, WANG Yongfeng, ZHANG Jingwei. Study on Dielectric Resonator Antenna with Annular Patch for High Gain and Large Bandwidth[J]. Chinese Journal of Electronics, 2015, 24(4): 869-872. doi: 10.1049/cje.2015.10.034
Citation: FENG Kuisheng, LI Na, MENG Qingwei, WANG Yongfeng, ZHANG Jingwei. Study on Dielectric Resonator Antenna with Annular Patch for High Gain and Large Bandwidth[J]. Chinese Journal of Electronics, 2015, 24(4): 869-872. 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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