Dual-band L-shaped SIW Slot antenna

Dual-band L-shaped substrate integrated waveguide (SIW) Slot antenna is proposed in this paper. The proposed L-shaped structure is constructed using two different slots oriented along longitudinal and transversal direction to feed. The longitudinal slot produces single band measured response with frequency range of 13.16 GHz to 13.38 GHz with 13.28 GHz as the center frequency. Along with, the transversal slot produces single band measured response with frequency range of 10.18 GHz to 10.34 GHz with 10.25 GHz as the central frequency. These two different slots are combined into a single L-shaped slot, which produces dual band measured response with frequency range of 10.84 GHz to 11.01 GHz and 12.60 GHz to 12.78 GHz. The center frequencies are 10.93 GHz and 12.69 GHz. The gain of the designed antenna is 6.58 dB and 6.82 dB at 10.93 GHz and 12.69 GHz, respectively. The analysis is carried out using the HFSS software, and the simulated results are verified using the measurements.