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A conventional transverse slot substrate integrated waveguide (SIW) periodic leaky wave antenna (LWA) provides a fan beam, usually E-plane beam having narrow beam width and H-plane having wider beamwidth. The main beam direction changes with frequency sweep. In the applications requiring a pencil beam, an array of the antenna is generally used to decrease the H-plane beam width which requires long...
A dual-beam substrate integrated waveguide (SIW) periodic leaky wave antenna (LWA) is designed and fabricated. The dual-beam operation is obtained by using leakage from the side walls of the SIW. The two beams are mirror image of each other. The feeding arrangement is simple and the antenna as a whole is easy to fabricate. A backward end fire to forward end fire scanning range of almost 74° is obtained...
This letter presents a novel proximity-coupled multiband microstrip patch antenna. The proposed antenna simultaneously operates at Bluetooth (2.4-2.485 GHz), WiMAX (3.3–3.7 GHz), and WLAN (5.15–5.35 and 5.725–5.85 GHz) bands with consistent radiation pattern and uniform gain. The antenna is a two-layer design. A V-shaped patch with a rectangular strip on the top layer is fed by a buried rectangular...
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