An array of half-width microstrip leaky-wave antennas radiating on boresight

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32 Citations (Scopus)


An array of four uniform half-width microstrip leaky-wave antennas (MLWAs) was designed and tested to obtain maximum radiation in the boresight direction. To achieve this, uniform MLWAs are placed at 90 ° and fed by a single probe at the center. Four beams from four individual branches combine to form the resultant directive beam. The measured matched bandwidth of the array is 300 MHz (3.8-4.1 GHz). Its beam toward boresight occurs over a relatively wide 6.4% (3.8-4.05 GHz) band. The peak measured boresight gain of the array is 10.1 dBi, and its variation within the 250-MHz boresight radiation band is only 1.7 dB.

Original languageEnglish
Article number6894597
Pages (from-to)112-114
Number of pages3
JournalIEEE Antennas and Wireless Propagation Letters
Publication statusPublished - 29 Jan 2015


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