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A 4 \times 4 Ridge Substrate Integrated Waveguide (RSIW) Slot Array Antenna

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2 Author(s)
Yan Ding ; Poly-Grames Res. Center, Ecole Polytech. de Montreal, Montreal, QC, Canada ; Ke Wu

The waveguide slot array antenna is known to suffer from a very limited frequency bandwidth, which becomes even more serious in substrate-integrated-waveguide (SIW)-based design because of its reduced waveguide height. In this work, a 4 x 4 slot array antenna based on ridge SIW (RSIW) and T-type folded SIW (TFSIW) techniques is proposed, and an 8.8% bandwidth is easily achieved. The proposed antenna structure is then fabricated. Measured results are well consistent with simulated ones.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:8 )