Dual-band, dual-polarized microstrip array for applications of WLAN base stations

Chiung Ying Huang, Ting Hung Ko, Tsair Rong Chen, Jeen-Sheen Row

Research output: Contribution to journalArticle

Abstract

A dual-band, dual-polarized microstrip array with high isolation is presented. The array element is a compact ring patch antenna, and all of the radiating patches are fabricated on the same substrate. A horizontal coaxial balun is used to excite the compact element so that the isolation between two orthogonal polarizations and the coupling between two adjacent elements are reduced. A prototype of the proposed array is constructed. The measured results show that the prototype can be operated at two frequency bands, including 2.4 to 2.48 GHz and 5.15 to 5.875 GHz. Within the operation bandwidths, the array has a gain of about 12 dBi and a cross-polarization level of less than −25 dB; in addition, the isolation levels between input ports are smaller than −35 dB.

Original languageEnglish
Pages (from-to)2669-2674
Number of pages6
JournalMicrowave and Optical Technology Letters
Volume61
Issue number12
DOIs
Publication statusPublished - 2019 Dec 1

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Wireless local area networks (WLAN)
Base stations
stations
Polarization
isolation
Microstrip antennas
Frequency bands
prototypes
Bandwidth
patch antennas
cross polarization
Substrates
bandwidth
rings
polarization

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "A dual-band, dual-polarized microstrip array with high isolation is presented. The array element is a compact ring patch antenna, and all of the radiating patches are fabricated on the same substrate. A horizontal coaxial balun is used to excite the compact element so that the isolation between two orthogonal polarizations and the coupling between two adjacent elements are reduced. A prototype of the proposed array is constructed. The measured results show that the prototype can be operated at two frequency bands, including 2.4 to 2.48 GHz and 5.15 to 5.875 GHz. Within the operation bandwidths, the array has a gain of about 12 dBi and a cross-polarization level of less than −25 dB; in addition, the isolation levels between input ports are smaller than −35 dB.",
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Dual-band, dual-polarized microstrip array for applications of WLAN base stations. / Huang, Chiung Ying; Ko, Ting Hung; Chen, Tsair Rong; Row, Jeen-Sheen.

In: Microwave and Optical Technology Letters, Vol. 61, No. 12, 01.12.2019, p. 2669-2674.

Research output: Contribution to journalArticle

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