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2013-01-11
Design of a Novel Wideband Loop Antenna with Parasitic Resonators
By
Progress In Electromagnetics Research Letters, Vol. 37, 47-54, 2013
Abstract
A novel coax-fed wideband loop antenna loaded with rectangular patches and U-shaped elements is presented and studied. By inserting a pair of rectangular patches inside the strip loops and employing a pair of U-shaped elements as the parasitic resonators, two additional resonances are excited and a good performance of bandwidth enhancement can be obtained. The measured results indicate that the impedance bandwidth (VSWR≤2) is about 87.1% from 1.58 to 4.02 GHz, which covers the required operating bands of DCS1800 (1710-1880 MHz), PCS1900 (1850-1990 MHz), UMTS2100 (1920-2170 MHz), WLAN2400 (2400-2484 MHz), LTE2300/2500 (2300-2690 MHz) and WiMAX3500 (3300-3690 MHz). In addition, good radiation characteristics such as symmetrical radiation pattern, moderate peak gain, low back radiation, and low cross-polarization are observed over the entire operating band.
Citation
Shou-Tao Fan, Shu-Feng Zheng, Yuan-Ming Cai, Ying-Zeng Yin, Ya-Jun Hu, and Jing Hua Yang, "Design of a Novel Wideband Loop Antenna with Parasitic Resonators," Progress In Electromagnetics Research Letters, Vol. 37, 47-54, 2013.
doi:10.2528/PIERL12112903
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