Investigation of SAR Reduction Using Flexible Antenna With Metamaterial Structure in Wireless Body Area Network

被引：117
|
作者：
Wang, Mengjun [1 ]
Yang, Ze [1 ]
Wu, Jianfei [2 ,3 ]
Bao, Jianhui [1 ]
Liu, Jianying [1 ]
Cai, Lulu [1 ]
Dang, Tao [4 ]
Zheng, Hongxing [1 ]
Li, Erping [5 ]
机构：
[1] Hebei Univ Technol, Sch Elect & Informat Engn, Tianjin 300401, Peoples R China
[2] Natl Univ Def Technol, Sch Informat & Commun Engn, Changsha 410073, Hunan, Peoples R China
[3] Tianjin Binhai Civil Mil Integrated Innovat Inst, Tianjin 300450, Peoples R China
[4] Sichuan Jiuzhou Elect Technol Co Ltd, Gener Technol Res Dept, Mianyang 621000, Peoples R China
[5] Zhejiang Univ, Dept Elect Engn, Hangzhou 310007, Zhejiang, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Artificial magnetic conductor (AMC); flexible antenna; metamaterial structure (MS); specific absorption rate (SAR); wireless body area network; AMC;
D O I：
10.1109/TAP.2018.2820733
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A flexible dual-band antenna with a metamaterial structure (MS) is presented. Polyimide substance, which makes the antenna thin and bendable, is used as the substrate for the antenna. When the MS is placed between the antenna and the human's forearm, the antenna gain is increased by 9.3 and 5.37 dB, and the radiation efficiency is increased by 48.4% and 35.7%, at 2.45 and 5.8 GHz, respectively. In addition, the specific absorption rate is decreased by more than 70%, considering the limitations imposed by Federal Communications Commission and the regulation of International Commission on Non-Ionizing Radiation Protection (ICNIRP) for the frequencies cited above. The fabricated prototype of the antenna with the integrated MS was investigated by placing it on different places of human body, as also on different human bodies. The obtained results show that the proposed antenna is safe and suitable for use, in terms of the ICNIRP standards of World Health Organization.
引用
收藏
页码：3076 / 3086
页数：11
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