Design of balanced slot UWB antenna with high CM rejection

Hsiao Lan Chan, Ching-Her Lee, Chung I.G. Hsu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In this paper, a new compact balanced ultra-wideband (UWB) slot antenna is proposed. The antenna consists of a differential feeding line and a non-uniform multi-band radiating slot. The whole antenna structure is deployed symmetrically across the plane of symmetry (POS) to obtain good differential-mode (DM) radiation characteristic and high common-mode (CM) rejection. In this design, the feeding line is placed across the POS so that in DM operation large current distribution around the intersection can be obtained to result in strong coupling with the slot antenna. On the other hand, the transverse (the direction perpendicular to the POS) dimension of the slot antenna is set as small as possible to push the CM resonant frequencies of the parasitic quarter-wavelength slot far away from the UWB passband so that favorable CM suppression can be obtained. The designed balanced slot UWB antenna shows a DM passband ranging from 3.1 to 10.6 GHz and has a maximum CM return loss of 2.5 dB within the DM passband.

Original languageEnglish
Title of host publicationISAP 2016 - International Symposium on Antennas and Propagation
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages794-795
Number of pages2
ISBN (Electronic)9784885523137
Publication statusPublished - 2017 Jan 17
Event21st International Symposium on Antennas and Propagation, ISAP 2016 - Ginowan, Okinawa, Japan
Duration: 2016 Oct 242016 Oct 28

Publication series

NameISAP 2016 - International Symposium on Antennas and Propagation

Other

Other21st International Symposium on Antennas and Propagation, ISAP 2016
CountryJapan
CityGinowan, Okinawa
Period16-10-2416-10-28

Fingerprint

Slot antennas
Ultra-wideband (UWB)
slots
rejection
antennas
Antennas
broadband
slot antennas
Natural frequencies
Radiation
Wavelength
symmetry
current distribution
intersections
resonant frequencies
retarding
radiation
wavelengths

All Science Journal Classification (ASJC) codes

  • Radiation
  • Computer Networks and Communications
  • Instrumentation

Cite this

Chan, H. L., Lee, C-H., & Hsu, C. I. G. (2017). Design of balanced slot UWB antenna with high CM rejection. In ISAP 2016 - International Symposium on Antennas and Propagation (pp. 794-795). [7821504] (ISAP 2016 - International Symposium on Antennas and Propagation). Institute of Electrical and Electronics Engineers Inc..
Chan, Hsiao Lan ; Lee, Ching-Her ; Hsu, Chung I.G. / Design of balanced slot UWB antenna with high CM rejection. ISAP 2016 - International Symposium on Antennas and Propagation. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 794-795 (ISAP 2016 - International Symposium on Antennas and Propagation).
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Chan, HL, Lee, C-H & Hsu, CIG 2017, Design of balanced slot UWB antenna with high CM rejection. in ISAP 2016 - International Symposium on Antennas and Propagation., 7821504, ISAP 2016 - International Symposium on Antennas and Propagation, Institute of Electrical and Electronics Engineers Inc., pp. 794-795, 21st International Symposium on Antennas and Propagation, ISAP 2016, Ginowan, Okinawa, Japan, 16-10-24.

Design of balanced slot UWB antenna with high CM rejection. / Chan, Hsiao Lan; Lee, Ching-Her; Hsu, Chung I.G.

ISAP 2016 - International Symposium on Antennas and Propagation. Institute of Electrical and Electronics Engineers Inc., 2017. p. 794-795 7821504 (ISAP 2016 - International Symposium on Antennas and Propagation).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In this paper, a new compact balanced ultra-wideband (UWB) slot antenna is proposed. The antenna consists of a differential feeding line and a non-uniform multi-band radiating slot. The whole antenna structure is deployed symmetrically across the plane of symmetry (POS) to obtain good differential-mode (DM) radiation characteristic and high common-mode (CM) rejection. In this design, the feeding line is placed across the POS so that in DM operation large current distribution around the intersection can be obtained to result in strong coupling with the slot antenna. On the other hand, the transverse (the direction perpendicular to the POS) dimension of the slot antenna is set as small as possible to push the CM resonant frequencies of the parasitic quarter-wavelength slot far away from the UWB passband so that favorable CM suppression can be obtained. The designed balanced slot UWB antenna shows a DM passband ranging from 3.1 to 10.6 GHz and has a maximum CM return loss of 2.5 dB within the DM passband.

AB - In this paper, a new compact balanced ultra-wideband (UWB) slot antenna is proposed. The antenna consists of a differential feeding line and a non-uniform multi-band radiating slot. The whole antenna structure is deployed symmetrically across the plane of symmetry (POS) to obtain good differential-mode (DM) radiation characteristic and high common-mode (CM) rejection. In this design, the feeding line is placed across the POS so that in DM operation large current distribution around the intersection can be obtained to result in strong coupling with the slot antenna. On the other hand, the transverse (the direction perpendicular to the POS) dimension of the slot antenna is set as small as possible to push the CM resonant frequencies of the parasitic quarter-wavelength slot far away from the UWB passband so that favorable CM suppression can be obtained. The designed balanced slot UWB antenna shows a DM passband ranging from 3.1 to 10.6 GHz and has a maximum CM return loss of 2.5 dB within the DM passband.

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Chan HL, Lee C-H, Hsu CIG. Design of balanced slot UWB antenna with high CM rejection. In ISAP 2016 - International Symposium on Antennas and Propagation. Institute of Electrical and Electronics Engineers Inc. 2017. p. 794-795. 7821504. (ISAP 2016 - International Symposium on Antennas and Propagation).