Title :
Design a dual-band high-impedance surface structure for electromagnetic protection in WLAN applications
Author :
Ming-Shing Lin ; Yi-Han Huang ; Hsu, Chung-I G.
Author_Institution :
Dept. of Electr. Eng., NYUST, Yunlin, Taiwan
Abstract :
In this study, a dual-band high-impedance surface (HIS) structure and a dual-band monopole antenna were designed for 2.45 GHz and 5.25 GHz WLAN applications. This HIS structure was proposed as an electromagnetic (EM) protective sheet to reduce undesirable EM radiation of antenna. The effects of EM protection sheets including metallic plates, R-cards, and HIS on the specific absorption rate (SAR) and on the antenna performance were then numerically and experimentally investigated. It was found that that the HIS can serve as an EM protective sheet without affecting the forward radiation power of the antenna.
Keywords :
UHF antennas; antenna radiation patterns; microwave antennas; monopole antennas; multifrequency antennas; wireless LAN; HIS structure; R-cards; SAR; WLAN applications; antenna performance; dual-band high-impedance surface structure; dual-band monopole antenna; electromagnetic protection; electromagnetic protective sheet; forward radiation power; frequency 2.45 GHz; frequency 5.25 GHz; metallic plates; specific absorption rate; undesirable EM radiation; Antenna measurements; Antenna radiation patterns; Dual band; Specific absorption rate; Wireless LAN; Wireless communication; electromagnetic compatibility; electromagnetic protection sheet; high-impedance surface (HIS); specific absorption rate (SAR); total radiated power (TRP);
Conference_Titel :
Electromagnetic Compatibility, Tokyo (EMC'14/Tokyo), 2014 International Symposium on
Conference_Location :
Tokyo
