Bandwidth Enhancement on Half-Mode Substrate Integrated Waveguide Antenna Using Cavity-Backed Triangular Slot

Figure 1

(a) HMSIW-CBS antenna with hybrid resonances using a triangular slot (W = 31 mm, L = 45.5 mm, D = 1 mm, Sp = 16.75 mm, Lt = 25 mm, Wt = 11 mm, Gap = 2.5 mm, Lgap = 4 mm, Lf = 14 mm, and Wf = 2.425 mm). (b) Explode view of the proposed HMSIW-CBS antenna.

(a)

(b)