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A novel four-port high isolation MIMO antenna design for high-capacity wireless applications

机译:用于高容量无线应用的新型四端口高隔离MIMO天线设计

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摘要

A novel four-port multiple-input-multiple-output (MIMO) antenna with high isolation is proposed in this article. This antenna is fabricated on a FR4 substrate with a compact size of 84 mm x 26 mm x 1.6 mm (0.98 x 0.3 x 0.019, is the wavelength at 3.5 GHz). The design adopts curved slot-lines on both sides of the substrate to enhance the isolation level and radiation in the working bands. The measured results show that the fabricated prototype can cover the working bands of advanced TD-LTE, WiLAN/WiFi, and cognitive radio applications with good radiation pattern characteristics. Furthermore, the isolation among multiple ports exceeds 15, 28, and 16 dB in the three working bands respectively, and high channel capacities could be achieved by this four-port design.
机译:本文提出了一种新的四端口多输入 - 多输出(MIMO)天线,具有高隔离。 该天线在FR4基板上制造,紧凑的尺寸为84mm×26mm×1.6mm(0.98×0.3×0.019,是3.5GHz的波长)。 该设计采用衬底两侧的弯曲槽线,以增强工作带中的隔离水平和辐射。 测量结果表明,制造的原型可以覆盖高级TD-LTE,Wilan / WiFi和认知无线电应用的工作带,具有良好的辐射图案特性。 此外,在三个工作频带中,多个端口之间的隔离超过15,28和16dB,并且可以通过该四端口设计来实现高通道容量。

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