Title :
A new kind of circularly polarized leaky-wave antenna based on corrugated substrate integrated waveguide
Author :
Chunming Liu ; Zheng Li ; Junhong Wang
Author_Institution :
Inst. of Lightwave Technol., Beijing Jiaotong Univ., Beijing, China
Abstract :
In this paper a novel circularly polarized (CP) leaky-wave antenna (LWA) based on the corrugated substrate integrated waveguide (CSIW) is proposed. It is composed of eight slot pair elements on top surface of the CSIW, and is designed to operate around 16.4GHz. The design approach is based on the analysis and optimization of the aperture fields of one radiation unit cell in order to produce good performance of circular polarization. The simulation results show that broadside radiation can be realized that is useful in practical application, and good axial ratio (AR) can be obtained in the main beam direction.
Keywords :
leaky wave antennas; polarisation; slot antennas; substrate integrated waveguides; CSIW; LWA; aperture fields; axial ratio; beam direction; broadside radiation; circular polarization performance; circularly polarized leaky-wave antenna; corrugated substrate integrated waveguide; design approach; frequency 16.4 GHz; radiation unit cell; Arrays; Leaky wave antennas; Microwave theory and techniques; Optical waveguides; Polarization; Substrates; SIW; array; circular polarization; leaky wave antenna; slot;
Conference_Titel :
Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE), 2013 IEEE 5th International Symposium on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4673-6077-7
DOI :
10.1109/MAPE.2013.6689827
