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Substrate Integrated Metamaterial-Based Leaky-Wave Antenna With Improved Boresight Radiation Bandwidth

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3 Author(s)
Nasimuddin ; Inst. for Infocomm Res., A*STAR, Singapore, Singapore ; Zhi Ning Chen ; Xianming Qing

A substrate integrated metamaterial-based leaky-wave antenna is proposed to improve its boresight radiation bandwidth. The proposed leaky-wave antenna based on a composite right/left-handed substrate integrated waveguide consists of two leaky-wave radiator elements which are with different unit cells. The dual-element antenna prototype features boresight gain of 12.0 dBi with variation of 1.0 dB over the frequency range of 8.775-9.15 GHz or 4.2%. In addition, the antenna is able to offer a beam scanning from to with frequency from 8.25 GHz to 13.0 GHz.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:61 ,  Issue: 7 )