Open Complementary Split Ring Resonator dual Band Wireless MIMO Antenna

2023 International Conference in Advances in Power, Signal, and Information Technology (APSIT) Pub Date : 2023-06-09 DOI:10.1109/APSIT58554.2023.10201730

Shripad Kulkarni, Ashwini S. Kunte

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Abstract

The demand for dual-band Wi-Fi has increased in recent years, as it allows for high-speed data transmission of up to 10 GB/s. A proposed MIMO antenna design incorporates an open complementary split ring resonator (OCSRR) meta-material structure. The OCSRR unit cell comprises two metallic terminals that can be activated by voltage or current. In this design, two OCSRRs are attached to rectangular slotted antenna patches, which are symmetrical and positioned nearly orthogonally over a 40 mm x 80 mm area in a MIMO configuration. The distance between the two antenna edges, has been optimized to 3.2 mm. This MIMO antenna design functions as a band-pass filter for both the 2.4 GHz band, with a bandwidth of 498 MHz, and the 5.5 GHz band, with a bandwidth of 840 MHz. The maximum return loss (S11) is -29 dB, while the mutual coupling (S12) is -22.8 dB. This 2X1 MIMO antenna design is suitable for use in small Wi-Fi routers operating at wireless frequencies ranging from 5.15 to 5.5 GHz and 2.4 to 2.48 GHz.

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开放式互补分环谐振器双频无线MIMO天线

近年来，对双频Wi-Fi的需求有所增加，因为它允许高达10gb /s的高速数据传输。提出了一种MIMO天线设计，该天线采用开放式互补裂环谐振器(OCSRR)超材料结构。OCSRR单元电池包括两个可由电压或电流激活的金属端子。在本设计中，两个ocsrr连接到矩形开槽天线贴片上，在MIMO配置中，矩形开槽天线贴片是对称的，并且几乎垂直放置在40 mm x 80 mm的区域上。两个天线边缘之间的距离已优化为3.2毫米。该MIMO天线设计在2.4 GHz频段(带宽为498mhz)和5.5 GHz频段(带宽为840mhz)均可作为带通滤波器。最大回波损耗(S11)为-29 dB，互耦(S12)为-22.8 dB。这种2X1 MIMO天线设计适用于在5.15至5.5 GHz和2.4至2.48 GHz无线频率范围内工作的小型Wi-Fi路由器。

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2023 International Conference in Advances in Power, Signal, and Information Technology (APSIT)

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