Low profile and miniaturized dual-band antenna based on graphene assembled film for wearable applications

被引:4
作者
Wang, Chen [1 ]
Song, Rongguo [1 ]
Jiang, Shaoqiu [1 ]
Hu, Zelong [1 ]
He, Daping [1 ]
机构
[1] Wuhan Univ Technol, Hubei Engn Res Ctr RF Microwave Technol & Applica, Wuhan 430070, Peoples R China
基金
中国国家自然科学基金;
关键词
graphene antenna; low profile; metamaterials; miniaturized; wearable antenna; HIGH-CONDUCTIVITY; TEXTILE ANTENNA; DIPOLE ANTENNA; STRAIN; GAIN; AMC;
D O I
10.1002/mmce.23050
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Wearable electronic devices are the basic components of wireless human body local area network. Due to their close contact with the human body, it is necessary to improve the flexibility and isolation of the antenna to maintain high signal transmission performance. In this paper, a flexible wearable antenna based on highly conductive graphene assembled film (GAF) and polydimethylsiloxane dielectric material is proposed. The planar combination of the powerful novel materials and supple polymer maximizes the flexibility and chemical stability of the antenna. In addition, the coplanar waveguide feeding and artificial magnetic conductor (AMC) structure enhance the efficiency and isolation with an easier preparation process. In the wearing measurement, the GAF antenna operates at 3.5 GHz for 5G communication frequency band and 5.8 GHz for ISM (Industrial, Scientific, Medical) frequency band. The GAF antenna has a minimizes SAR level, which in accordance with IEEE C95.1 International standard, by taking up a small space with 50.5 x 48.5 x 2.08 mm(3). Furthermore, the GAF antenna has good radiation performance both under several different bending conditions and human body conditions.
引用
收藏
页数:10
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