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A low profile dual band MIMO antenna for LTE/Bluetooth/Wi-Fi/WLAN applications
Journal of Electromagnetic Waves and Applications ( IF 1.2 ) Pub Date : 2020-01-28 , DOI: 10.1080/09205071.2020.1716859
Rakesh N. Tiwari 1 , Prabhakar Singh 2 , Binod Kumar Kanaujia 3 , Sachin Kumar 4 , Surendra Kumar Gupta 5
Affiliation  

ABSTRACT In the present endeavor, a CPW-fed dome-shaped monopole radiating elements with 2 × 2 MIMO configuration is presented. The dual-band response of the antenna is obtained by embedding a pair of comb-shaped slots in the ground plane. The measured dual frequency bands of 2.11–4.19 GHz (lower) and 4.98–6.81 GHz (upper) effectively cover LTE, Wi-Fi/WLAN, Bluetooth, and Wi-MAX applications. A T-shaped stub is integrated with the ground plane to obtain high isolation (>21 dB). The measured antenna gain varies in the range of 2.75–4.19 dBi and its radiation efficiency is found greater than 70% in both the resonating bands. The overall size of the proposed antenna is 20 × 34 × 1.6 mm3. The antenna is fabricated and measured results are validated with the results obtained by CST Microwave Studio. Finally, various diversity parameters are evaluated for the antenna and the results are satisfactory for MIMO applications.

中文翻译:

适用于 LTE/蓝牙/Wi-Fi/WLAN 应用的薄型双频 MIMO 天线

摘要 在目前的努力中,提出了具有 2 × 2 MIMO 配置的 CPW 馈电圆顶形单极辐射元件。天线的双频响应是通过在地平面中嵌入一对梳状缝隙获得的。测得的 2.11–4.19 GHz(下)和 4.98–6.81 GHz(上)双频段有效覆盖了 LTE、Wi-Fi/WLAN、蓝牙和 Wi-MAX 应用。T 形短截线与接地平面集成以获得高隔离度 (>21 dB)。测得的天线增益在 2.75–4.19 dBi 的范围内变化,并且发现其辐射效率在两个谐振频带中都大于 70%。建议天线的整体尺寸为 20 × 34 × 1.6 mm3。天线制作完成,测量结果与 CST Microwave Studio 获得的结果进行了验证。最后,
更新日期:2020-01-28
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