期刊
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
卷 65, 期 6, 页码 1778-1786出版社
WILEY
DOI: 10.1002/mop.33618
关键词
Archimedean spirals; complementary split-ring resonator; curved meander line; electrically small antenna; transmission line
This work presents the design and development of a dual-band and dual-polarized epsilon-negative transmission line-inspired antenna for wireless applications. The antenna achieves miniaturization through the implementation of curved meander lines and bandwidth enhancement through the loading of complementary split-ring resonator-based mushroom resonator. Circular polarization radiation is achieved through the loading of two-arm Archimedean spiral resonators. The proposed antenna is suitable for ISM 2.4 GHz, WLAN/WiFi IEEE 802.11 b/g/n, and LTE 2500 applications.
This work describes the design and development of a dual-band and dual-polarized epsilon-negative transmission line-inspired antenna for wireless applications. In the proposed antenna, the implementation of curved meander lines results in antenna miniaturization; bandwidth enhancement is mainly due to the additional loading of complementary split-ring resonator-based mushroom resonator. Further, circular polarization radiation is obtained due to the additional loading of two-arm Archimedean spiral resonators in the backside of the antenna forming a hybrid metamaterial structure. The proposed dual-polarized antenna provides an overall electrical dimension of 0.17 lambda(0) x 0.25 lambda(0) x 0.026 lambda(0) at the first resonating frequency of 2.49 GHz. The proposed antenna provides a fractional bandwidth of 7.22% (2.40-2.58 GHz) and 1.13% (2.62-2.65 GHz) for the first and second bands, respectively. Furthermore, the intended antenna provides maximum gain values of 1.28 dBi at 2.41 GHz and 1.94 dBi at 2.64 GHz for the first and second bands, respectively. As a result, the proposed antenna is well suited for ISM 2.4 GHz (2.4-2.484 GHz), WLAN/WiFi IEEE 802.11 b/g/n (2.4-2.48 GHz) and LTE 2500 (2.5-2.69 GHz) applications.
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