Design of a MIMO Antenna with High Gain and Enhanced Isolation for WLAN Applications

被引：36
|
作者：
Peng, He [1 ]
Zhi, Ruixing [1 ]
Yang, Qichao [1 ]
Cai, Jing [1 ]
Wan, Yi [1 ]
Liu, Gui [1 ]
机构：
[1] Wenzhou Univ, Coll Elect & Elect Engn, Wenzhou 325035, Peoples R China
来源：
ELECTRONICS | 2021年 / 10卷 / 14期
基金：
中国国家自然科学基金;
关键词：
multiple-input multiple-output (MIMO); wireless local area network (WLAN); dual-band antenna; IEEE; 802.11;
D O I：
10.3390/electronics10141659
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A multi-input multi-output (MIMO) antenna for wireless local area network (WLAN) applications operating in 2.4 GHz and 5.8 GHz frequency bands is proposed in this paper. The proposed dual-band MIMO antenna is composed of two symmetrical radiation elements, and the isolation performance is improved by adopting parasitic elements and a defective ground plane. The measured reflection coefficients are less than -10 dB in the bandwidth range of 2.12-2.8 GHz and 4.95-6.65 GHz, respectively. The measurements show excellent isolation of -21 dB and -15 dB in both desired frequency bands, respectively. The total peak gain is greater than 4.8 dBi. The calculated envelope correlation coefficients (ECC), based on the measured S-parameters, are smaller than 0.01 and 0.024 in the lower and higher frequency bands, respectively. The dimension of the presented antenna occupies 50 x 40 x 1.59 mm(3). It is suitable for IEEE 802.11 a/b/g/n (2.4-2.4835 GHz, 5.15-5.35 GHz and 5.725-5.85 GHz) WLAN applications.
引用
收藏
页数：10
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