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引用次数: 10
摘要
我们提出了一种使用epsilon负零阶谐振器(ENG-ZOR)的双元分集天线阵列，用于长期演进(LTE)和Wibro(韩国的WiMax)频段，用于多输入多输出(MIMO)应用。每个元件的设计都采用了尺寸为10mm × 6mm × 6mm的英卓单晶片。较低的谐振频率由ENG ZOR的零阶谐振固定，较高的谐振频率由散热器利用ENG ZOR的一阶谐振选择。为了提高MIMO天线在高频段的隔离特性，在两个元件之间增加了隔离器。MIMO天线制作在接地面的顶部，尺寸为48 mm × 108 mm × 0.4 mm。制作的天线在低频段隔离度约为20 dB，在高频段隔离度高于13 dB。
Dual band MIMO antenna using ENG zeroth order resonator for 4G system
We propose a two-element diversity-antenna array using epsilon negative zeroth order resonator (ENG-ZOR) at the long-term evolution (LTE) and Wibro (WiMax in Korea) bands for the multiple-input multiple-output (MIMO) application. Each element is designed by utilizing an ENG ZOR unit cell with size of 10 mm × 6 mm × 6 mm. The lower resonant frequency is fixed by the zeroth order resonance of the ENG ZOR and the higher is selected by the radiator utilizing the first order resonance of the ENG ZOR. An isolator is added between the two elements in order to enhance the isolation characteristic at higher band of the designed MIMO antenna. The MIMO antenna is fabricated on the top side of the ground plane with size of 48 mm × 108 mm × 0.4 mm. The fabricated antenna has the isolation of about 20 dB at the lower band and higher than 13 dB at the higher band.
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