论文信息 - High-efficiency microstrip patch antennas using non-periodic artificial magnetic conductor structure

High-efficiency microstrip patch antennas using non-periodic artificial magnetic conductor structure

A novel artificial ground composed by several non-periodic rectangle artificial magnetic conductor (RAMC) structures is firstly proposed, and employed as the ground plane of a probe-fed patch antenna. Based on the design strategy of parasitic patches, the dimensions and arrangements of these RAMC cells in the artificial ground as well as the size of the ground plane are investigated and discussed. As results, two RAMC-based antennas with high efficiency are proposed, which respectively can achieve very high efficiency of over 90% and stable efficiency of over 80% within the operating frequency band. For demonstration, two proposed antennas are fabricated and measured. Good agreement can be observed between the simulated and measured results.

Wenquan Che | Wanchen Yang | Dongxu Chen

[1] D. Sievenpiper,et al. High-impedance electromagnetic surfaces with a forbidden frequency band , 1999 .

[2] T. Weller,et al. Study of a Low-Profile 2.4-GHz Planar Dipole Antenna Using a High-Impedance Surface With 1-D Varactor Tuning , 2013, IEEE Transactions on Antennas and Propagation.

[3] Hao Wang,et al. A Wideband and High-Gain Edge-Fed Patch Antenna and Array Using Artificial Magnetic Conductor Structures , 2013, IEEE Antennas and Wireless Propagation Letters.

[4] Y. Rahmat-Samii,et al. Reflection phase characterizations of the EBG ground plane for low profile wire antenna applications , 2003 .

[5] Xue-Song Yang,et al. Pattern‐reconfigurable quasi‐yagi microstrip antenna using a photonic band gap structure , 2004 .

[6] L. Shafai,et al. Application of combined electric- and magnetic-conductor ground planes for antenna performance enhancement , 2008, Canadian Journal of Electrical and Computer Engineering.

[7] Wenquan Che,et al. High-Gain Design of a Patch Antenna Using Stub-Loaded Artificial Magnetic Conductor , 2013, IEEE Antennas and Wireless Propagation Letters.