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Radiation characteristics of an open-circuit electromagnetic band-gap (EBG) transmission line are employed to demonstrate a new low-profile antenna with high radiation efficiency. The self-excited EBG resonator antenna (SE-EBG-RA) presented is excited using a simple microstrip line, without requiring a separate probe. Tall metal traces enhance radiation while providing less loss, which results in better efficiency. Some desirable properties of the antenna including radiation pattern, gain/efficiency, overall footprint, and the input matching are investigated and discussed.
Antennas and Wireless Propagation Letters, IEEE (Volume:11 )
Date of Publication: 2012