Title :
Comparative analysis of four types of high-impedance surfaces for low profile antenna applications
Author :
Sohn, Jong Ryul ; Tae, Heung-Sik ; Lee, Jae-Gon ; Lee, Jeong-Hae
Author_Institution :
Sch. of Electron. & Electr. Eng., Kyungpook Nat. Univ., Taegu, South Korea
Abstract :
We have analyzed and compared four types of high-impedance surfaces for low profile antennas. The considered high-impedance surface (HIS) structures are: mushroom-like electromagnetic band gap (EBG); uniplanar compact EBG (UC-EBG); Peano curve; Hilbert curve. These structures are designed to behave effectively as a magnetic conductor surface at 2.45 GHz. The various properties, namely, the return loss, radiation pattern, and gain, of a horizontal wire antenna placed in close proximity to the four types of high-impedance surfaces are simulated and compared using a full wave simulation tool.
Keywords :
UHF antennas; antenna accessories; antenna radiation patterns; computational electromagnetics; microwave materials; photonic band gap; surface impedance; wire antennas; 2.45 GHz; Hilbert curve; Peano curve; antenna gain; electromagnetic band gap structures; high-impedance surfaces; horizontal wire antenna; low profile antennas; magnetic conductor surface; mushroom-like EBG structure; radiation pattern; return loss; uniplanar compact EBG structure; Antenna radiation patterns; Antennas and propagation; Bandwidth; Conductors; Frequency; Metamaterials; Periodic structures; Reflection; Surface waves; Wire;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
DOI :
10.1109/APS.2005.1551433
