双频高增益超材料谐振腔天线

2018 Second International Conference on Computing Methodologies and Communication (ICCMC) Pub Date : 2018-02-01 DOI:10.1109/ICCMC.2018.8487528

Sourav Ghosh, S. Sahu

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引用次数: 1

摘要

提出了一种利用频率选择表面(FSS)层设计双频高增益超材料谐振腔天线的技术。辐射介质谐振器(DR)通过微带线连接，并在地面上切割出矩形槽。采用圆柱形介质谐振器天线(CDRA)作为基本辐射体。CDRA由微带线通过矩形槽激发，在相邻的两个频段(S和C频段)沿宽侧方向辐射。天线仿真结果表明，该系统在3.9 GHz和7.1 GHz两个相邻频段共振。DRA在这两个波段的增益分别为2.43 dBi和4.32 dBi。采用单层5 × 5阵列叠加层，天线的增益在3.6 ~ 4.1 GHz频段增加了8.02 dBi，在6.7 ~ 7.5 GHz频段增加了1.05 dBi。这种高增益双频DRA可用于毫米波无线通信、小型卫星通信终端。

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Dual-band High-gain Metamaterial Based Resonant Cavity Antenna

A technique is presented to design dual-band, high-gain metamaterial based resonant cavity antenna using frequency selective surface (FSS) layer. The radiating dielectric resonator (DR) is connected by a microstrip line and a rectangular slot is cut from the ground surface. Cylindrical dielectric resonator antenna (CDRA) is used as an elementary radiator. CDRA is excited by the microstrip line through the rectangular slot and it is radiating in the broadside direction at two adjacent frequency bands (S and C bands). Antenna simulation results confirmed it resonates in two adjacent bands centered at 3.9 GHz and 7.1 GHz. The gain of the DRA at these two bands are 2.43 dBi and 4.32 dBi respectively. With a single layer 5 × 5 array superstrate the gain of the proposed antenna increased by 8.02 dBi from 3.6 to 4.1 GHz frequency band and 1.05 dBi from 6.7 to 7.5 GHz frequency band. This high-gain dual-band DRA can be used for millimeter wave wireless communication, small satellite communication terminals.

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2018 Second International Conference on Computing Methodologies and Communication (ICCMC)

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