Design and realization of microstrip linear antenna array based on siw (substrate integrated waveguide) feed network /


Thesis Type: Postgraduate

Institution Of The Thesis: Middle East Technical University, Faculty of Engineering, Department of Electrical and Electronics Engineering, Turkey

Approval Date: 2014

Thesis Language: English

Student: Ali Özgün

Supervisor: ŞİMŞEK DEMİR

Abstract:

A microstrip patch antenna array with substrate integrated waveguide (SIW) feed network is designed and realized. With this configuration, waveguide which is advantageous in high frequency designs is integrated to antenna array in planar form by eliminating the drawback of the bulky structure of them. The design is based on an E-plane SIW power divider in multilayer form. For the feed network, a 4-way E-plane SIW power divider is constituted with 3-layered structure and an antenna system is obtained by merging the antenna layer with this 3-layered feed network. Through this multilayer feed network, resultant antenna system has a compact structure which is not enlarged by the feeding part. The developed network has comparable performance with microstrip counterparts and it is more advantageous for higher frequencies due to the planar waveguide structure. Through the realization of the design, TRL calibration technique is applied to extract the effects of the non-SIW parts from the measurement results.