Compact Tri-band Wilkinson Power Divider Based on Metamaterial Structure for Bluetooth, WiMAX, and WLAN Applications

Khajeh-Khalili, Farzad, Honarvar, M. Amin, Dadgarpour, Abdolmehdi, Virdee, Bal Singh and Denidni, Tayeb A. (2019) Compact Tri-band Wilkinson Power Divider Based on Metamaterial Structure for Bluetooth, WiMAX, and WLAN Applications. Journal of electromagnetic waves and applications, 33. pp. 1-15. ISSN 1569-3937

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Abstract / Description

A novel Wilkinson power divider is presented in this paper for triple band operation. It comprises a П-shaped transmission-line coupled to a rectangular split ring resonator metamaterial structure. The μ-negative feature of the rectangular split ring resonator metamaterial structure is investigated by retrieving its constitutive parameters from the S-parameter response. To demonstrate the versatility of the proposed Wilkinson power divider it was designed to cover Bluetooth (2.4 GHz), WiMAX (3.5 GHz), and WLAN (5.2 GHz). The tri-band Wilkinson power divider was fabricated and its performance measured to verify the design. Good agreement between the measured and simulated data is obtained. Measured results show that the tri-band Wilkinson power divider has fractional bandwidth of 3.86%, 5.82%, and 3.89% at 2.4, 3.5, and 5.2 GHz, respectively. In addition, the rectangular split ring resonator metamaterial Wilkinson power divider has a small physical footprint (14 mm ×17.9 mm or 0.15λg×0.19λg), which is 60% smaller than conventional designs.

Item Type: Article
Uncontrolled Keywords: Wilkinson power divider; Rectangular split ring resonator; Metamaterial; Negative permeability
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 04 Feb 2019 09:56
Last Modified: 12 Mar 2019 16:23
URI: http://repository.londonmet.ac.uk/id/eprint/4582

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