Planar ultra-wideband antenna with five notched stop bands

J. J. Liu, K. P. Esselle, S. G. Hay, S. S. Zhong

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


A printed ultra-wideband (UWB) antenna with five notched stop bands is presented. By introducing a pair of arc-shaped slots, two defected ground structures and an open-loop resonator, five sharp notches are achieved at frequencies of 2.4, 3.2, 5.2, 5.8 and 7.5 GHz. The proposed antenna has been fabricated and tested. The measured results indicate that the proposed design not only supports UWB bandwidth requirements but rejects five narrow bands to avoid possible interference with existing communication systems. In addition, the proposed antenna has relatively omnidirectional radiation patterns in passbands.

Original languageEnglish
Pages (from-to)579-580
Number of pages2
JournalElectronics Letters
Issue number9
Publication statusPublished - 25 Apr 2013

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