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

  title={A 4  \$\times\$  4 Ridge Substrate Integrated Waveguide (RSIW) Slot Array Antenna},
  author={Yan Ding and Ke Wu},
  journal={IEEE Antennas and Wireless Propagation Letters},
  • Yan Ding, Ke Wu
  • Published 2009 in IEEE Antennas and Wireless Propagation Letters
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. 
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