Title :
Uniplanar Ultrawideband Polarization Diversity Antenna With Dual Band-Notched Characteristics
Author :
He Huang ; Ying Liu ; Shaoshuai Zhang ; Shuxi Gong
Author_Institution :
Sci. & Technol. on Antenna & Microwave Lab., Xidian Univ., Xi´an, China
fDate :
7/6/1905 12:00:00 AM
Abstract :
A uniplanar ultrawideband diversity antenna with dual band-notched characteristics is presented in this letter. The antenna employs orthogonal feeding structure to achieve polarization diversity performance over the ultrawideband from 2.3 to 11 GHz. The dual band-rejected operation is realized by employing two different methods. In addition, the stepped rectangle stub inserted in the ground at 45° and irregular ground plane are adopted to enhance port isolation and antenna performance. The antenna was fabricated to study the performance such as S-parameters, radiation pattern, peak gain, antenna efficiency, and envelope correlation coefficient. Reasonable results show the suitability of the proposed antenna for portable terminal devices.
Keywords :
antenna feeds; multifrequency antennas; planar antennas; polarisation; ultra wideband antennas; S-parameters; UWB antenna; antenna efficiency; antenna performance enhancement; dual band-notched characteristics; dual band-rejected operation; envelope correlation coefficient; irregular ground plane; orthogonal feeding structure; peak gain; port isolation enhancement; portable terminal devices; radiation pattern; stepped rectangle stub; uniplanar ultrawideband polarization diversity antenna; Antenna measurements; Frequency measurement; Ports (Computers); Scattering parameters; Ultra wideband antennas; Band-notched; envelope correlation coefficient (ECC); polarization diversity; ultrawideband (UWB) antenna; uniplanar;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2014.2354051
