M. Nandakumar, K. Ansal, Arjun B Murali, Nina Cleetus, Lakshmi Anil
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引用次数: 0
摘要
比较了不同分环几何形状的弯曲线CPW馈电单极天线在5.8GHz应用中的性能。该六角形裂环天线设计在13mm × 19.8mm × 0.8mm的FR4衬底上，介电常数为4.4，损耗正切为0.02。作为一种新颖的天线，在天线中加入了方形和圆形劈裂环谐振器，并对其性能进行了分析。在ANSYS HFSS version 21中绘制了三种天线的回波损耗、辐射方向图、增益、驻波比和阻抗特性的仿真结果。三种不同的劈裂环谐振器(SRR)中，采用HSRR、SSRR和CSRR的弯曲CPW馈电天线的最大增益分别为1.8dB、2.7dB和2.8dB，其中采用HSRR的天线增益最高。天线的所有三种配置提供的驻波比值在1和2之间，阻抗特性约为50Ω。
A CPW Fed Meandered Metamaterial Loaded Antenna for Wireless Applications
The performance of meandered line CPW fed monopole antenna with different split ring geometries for 5.8GHz applications is compared. The antenna with a hexagonal shaped split ring is designed on a 13mm x 19.8mm x 0.8mm FR4 substrate with dielectric constant 4.4 and loss tangent 0.02. As a novelty, square and circular shaped split ring resonators are incorporated in the antenna and the performance is analyzed. The simulation results of the return loss, radiation pattern, gain, VSWR and impedance characteristics exhibited by the three antennas are plotted in ANSYS HFSS version 21. The maximum gain provided by the meandered CPW fed antenna with HSRR, SSRR and CSRR are 1.8dB, 2.7dB and 2.8dB respectively and it is found that the antenna with HSRR exhibits the highest gain among the antennas with the three different split ring resonators (SRR). All the three configurations of the antenna provide a VSWR value between 1 and 2 and an impedance characteristic of approximately 50Ω.
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