Compact Wideband Internal Antenna Using Epsilon Negative Zeroth-Order Resonator With CPWG-Fed for UHD-TV Applications

Thai Van Trinh; Byungje Lee; Chang Won Jung

doi:10.1007/s42835-019-00290-y

Compact Wideband Internal Antenna Using Epsilon Negative Zeroth-Order Resonator With CPWG-Fed for UHD-TV Applications

Thai Van Trinh, Byungje Lee, Chang Won Jung

Dept. of Semiconductor Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A compact wideband internal antenna based on an epsilon negative (ENG) zeroth-order resonator (ZOR) is proposed to operate in the ultra-high frequency (UHF) band (470–771 MHz) for ultra-high-definition television (UHD-TV) applications. The antenna having a compact size of 9 × 220 mm² is placed on the top edge of the 49-inch TV model. The bezel frame of the TV model is used as the substrate of the antenna. The antenna is fed by a coplanar waveguide with a ground plane (CPWG). A shorting plate was added to expand the ground plane of the CPWG structure to achieve resonance at lower frequencies. The ENG structure is formed by a meander line that generates zero-order resonances at higher frequencies in the UHF band. Based on analysis, the proposed antenna is fabricated and tested. The measurement results show that the reflection coefficient (S₁₁) is under − 6 dB in a wide frequency range from 440 to 910 MHz covering the entire UHF band. The fractional bandwidth is extended up to 69% with a peak gain of 4.8 dBi, and the average radiation efficiency of the antenna is 75%.

Original language	English
Pages (from-to)	37-42
Number of pages	6
Journal	Journal of Electrical Engineering and Technology
Volume	15
Issue number	1
DOIs	https://doi.org/10.1007/s42835-019-00290-y
State	Published - 1 Jan 2020

Keywords

Compact internal antenna
ENG-ZOR
UHD-TV
UHF band
Wideband antenna

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10.1007/s42835-019-00290-y

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title = "Compact Wideband Internal Antenna Using Epsilon Negative Zeroth-Order Resonator With CPWG-Fed for UHD-TV Applications",

abstract = "A compact wideband internal antenna based on an epsilon negative (ENG) zeroth-order resonator (ZOR) is proposed to operate in the ultra-high frequency (UHF) band (470–771 MHz) for ultra-high-definition television (UHD-TV) applications. The antenna having a compact size of 9 × 220 mm2 is placed on the top edge of the 49-inch TV model. The bezel frame of the TV model is used as the substrate of the antenna. The antenna is fed by a coplanar waveguide with a ground plane (CPWG). A shorting plate was added to expand the ground plane of the CPWG structure to achieve resonance at lower frequencies. The ENG structure is formed by a meander line that generates zero-order resonances at higher frequencies in the UHF band. Based on analysis, the proposed antenna is fabricated and tested. The measurement results show that the reflection coefficient (S11) is under − 6 dB in a wide frequency range from 440 to 910 MHz covering the entire UHF band. The fractional bandwidth is extended up to 69\% with a peak gain of 4.8 dBi, and the average radiation efficiency of the antenna is 75\%.",

keywords = "Compact internal antenna, ENG-ZOR, UHD-TV, UHF band, Wideband antenna",

author = "\{Van Trinh\}, Thai and Byungje Lee and Jung, \{Chang Won\}",

note = "Publisher Copyright: {\textcopyright} 2019, The Korean Institute of Electrical Engineers.",

year = "2020",

month = jan,

day = "1",

doi = "10.1007/s42835-019-00290-y",

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AU - Van Trinh, Thai

AU - Lee, Byungje

AU - Jung, Chang Won

PY - 2020/1/1

Y1 - 2020/1/1

N2 - A compact wideband internal antenna based on an epsilon negative (ENG) zeroth-order resonator (ZOR) is proposed to operate in the ultra-high frequency (UHF) band (470–771 MHz) for ultra-high-definition television (UHD-TV) applications. The antenna having a compact size of 9 × 220 mm2 is placed on the top edge of the 49-inch TV model. The bezel frame of the TV model is used as the substrate of the antenna. The antenna is fed by a coplanar waveguide with a ground plane (CPWG). A shorting plate was added to expand the ground plane of the CPWG structure to achieve resonance at lower frequencies. The ENG structure is formed by a meander line that generates zero-order resonances at higher frequencies in the UHF band. Based on analysis, the proposed antenna is fabricated and tested. The measurement results show that the reflection coefficient (S11) is under − 6 dB in a wide frequency range from 440 to 910 MHz covering the entire UHF band. The fractional bandwidth is extended up to 69% with a peak gain of 4.8 dBi, and the average radiation efficiency of the antenna is 75%.

AB - A compact wideband internal antenna based on an epsilon negative (ENG) zeroth-order resonator (ZOR) is proposed to operate in the ultra-high frequency (UHF) band (470–771 MHz) for ultra-high-definition television (UHD-TV) applications. The antenna having a compact size of 9 × 220 mm2 is placed on the top edge of the 49-inch TV model. The bezel frame of the TV model is used as the substrate of the antenna. The antenna is fed by a coplanar waveguide with a ground plane (CPWG). A shorting plate was added to expand the ground plane of the CPWG structure to achieve resonance at lower frequencies. The ENG structure is formed by a meander line that generates zero-order resonances at higher frequencies in the UHF band. Based on analysis, the proposed antenna is fabricated and tested. The measurement results show that the reflection coefficient (S11) is under − 6 dB in a wide frequency range from 440 to 910 MHz covering the entire UHF band. The fractional bandwidth is extended up to 69% with a peak gain of 4.8 dBi, and the average radiation efficiency of the antenna is 75%.

KW - Compact internal antenna

KW - ENG-ZOR

KW - UHD-TV

KW - UHF band

KW - Wideband antenna

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Compact Wideband Internal Antenna Using Epsilon Negative Zeroth-Order Resonator With CPWG-Fed for UHD-TV Applications

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