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Title: Broadband circularly-polarised antenna consisting of four notch slot radiators
Authors: Ren, H.
Yu, Y.
Shen, Zhongxiang
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Ren, H., Yu, Y., & Shen, Z. (2012). Broadband circularly-polarised antenna consisting of four notch slot radiators. Electronics letters, 48(23), 1447.
Series/Report no.: Electronics letters
Abstract: A broadband antenna consisting of four notch slots is proposed to generate circularly-polarised radiation. Wide bandwidth is achieved by using notch slots operating in the double-resonance range. A separate feeding network is designed to meet the requirement of sequential rotation excitation for the four slots maintaining a corresponding phase difference of 908 between adjacent slots. Simulated and measured results are presented to demonstrate the high directivity and wide bandwidth of the circularly-polarised antenna. The designed antenna exhibits a bandwidth from 4.9 to 6.1GHz for both |S11|≤ 210 dB and AR≤ 3 dB, which is 21% of the centre frequency of 5.5GHz. Peak gain at 5.5 GHz is 7.6 dBic along the zenith direction, with less than 1dB gain variation within the operating bandwidth.
ISSN: 0013-5194
DOI: 10.1049/el.2012.2635
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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