Switchable-polarisation antenna for measuring polarisation dependence of multipath in 3.5 GHz FWA systems

Hong, C.L.; Wassell, I.J.; Sellars, M.P.; Greaves, S.D.; Noakes, M.

doi:10.1049/el:20057265

Electron. Lett.

2005

DOI: 10.1049/el:20057265

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Switchable-polarisation antenna for measuring polarisation dependence of multipath in 3.5 GHz FWA systems

C.L. Hong

I.J. Wassell

M.P. Sellars³

et al.

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2010

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A Switchable Circularly Polarized Microstrip Antenna using Asymmetric U-shaped Slotted Ground Structures

Lee¹,

Yoon²,

Han³

et al. 2010

Journal of the Korea Academia-Industrial cooperation Society

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In this paper, a new microstrip antenna using asymmetric U-shaped slotted ground is proposed for a switchable circular polarization sense. The proposed antenna is achieved a circularly polarization from orthogonal E-field distributions with 90 degree phase difference due to the asymmetrical U-shaped slot. Moreover, the circular polarization sense of the proposed antenna can be easily switchable with changing the symmetric plane of the U-shaped slots. As a result, the proposed antenna is implemented by two PIN diodes with two different bias condition for ON/OFF states. The measured axial ratios are about 1.5 dB without the dependence of the polarization sense and 3-dB axial ratio bandwidth are achieved 29 MHz with respect to about 1.2 % at 2.46 GHz operating frequency.

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A Switchable Circularly Polarized Microstrip Antenna using Asymmetric U-shaped Slotted Ground Structures

Lee¹,

Yoon²,

Han³

et al. 2010

Journal of the Korea Academia-Industrial cooperation Society

View full text Add to dashboard Cite

show abstract

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Switchable-polarisation antenna for measuring polarisation dependence of multipath in 3.5 GHz FWA systems

Cited by 1 publication

References 2 publications

A Switchable Circularly Polarized Microstrip Antenna using Asymmetric U-shaped Slotted Ground Structures

A Switchable Circularly Polarized Microstrip Antenna using Asymmetric U-shaped Slotted Ground Structures

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