An 11-band multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals

Zhirong An; Youcheng Wang; Mang He

doi:10.1002/mop.32235

An 11-band multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals

Zhirong An^*, Youcheng Wang, Mang He

^*Corresponding author for this work

School of Integrated Circuits and Electronics

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

Abstract

A multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals is presented. The proposed antenna is composed of a multibranch driven strip, a parasitic grounded strip, and an integrated metal rim that is connected to the ground through two shorting stubs. The proposed antenna occupies a 5-mm clearance area, featuring simple design without lumped components. The working principle of the antenna is analyzed in detail in terms of its multiple resonant modes and current distributions. The resultant |S₁₁| ≤ −6 dB impedance bandwidth of the antenna covers the LTE 700/2300/2500, UMTS, GSM 850/900, DCS, PCS, and recently proposed n77 to n79 5G NR frequency bands. The prototype of the antenna is fabricated and the design is well validated by experimental results.

Original language	English
Pages (from-to)	1800-1806
Number of pages	7
Journal	Microwave and Optical Technology Letters
Volume	62
Issue number	4
DOIs	https://doi.org/10.1002/mop.32235
Publication status	Published - 1 Apr 2020

Keywords

metal-rimmed
mobile terminals
multiband antenna
multimode antenna
sub-6 GHz applications

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10.1002/mop.32235

Cite this

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title = "An 11-band multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals",

abstract = "A multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals is presented. The proposed antenna is composed of a multibranch driven strip, a parasitic grounded strip, and an integrated metal rim that is connected to the ground through two shorting stubs. The proposed antenna occupies a 5-mm clearance area, featuring simple design without lumped components. The working principle of the antenna is analyzed in detail in terms of its multiple resonant modes and current distributions. The resultant |S11| ≤ −6 dB impedance bandwidth of the antenna covers the LTE 700/2300/2500, UMTS, GSM 850/900, DCS, PCS, and recently proposed n77 to n79 5G NR frequency bands. The prototype of the antenna is fabricated and the design is well validated by experimental results.",

keywords = "metal-rimmed, mobile terminals, multiband antenna, multimode antenna, sub-6 GHz applications",

author = "Zhirong An and Youcheng Wang and Mang He",

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AU - An, Zhirong

AU - Wang, Youcheng

AU - He, Mang

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Y1 - 2020/4/1

N2 - A multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals is presented. The proposed antenna is composed of a multibranch driven strip, a parasitic grounded strip, and an integrated metal rim that is connected to the ground through two shorting stubs. The proposed antenna occupies a 5-mm clearance area, featuring simple design without lumped components. The working principle of the antenna is analyzed in detail in terms of its multiple resonant modes and current distributions. The resultant |S11| ≤ −6 dB impedance bandwidth of the antenna covers the LTE 700/2300/2500, UMTS, GSM 850/900, DCS, PCS, and recently proposed n77 to n79 5G NR frequency bands. The prototype of the antenna is fabricated and the design is well validated by experimental results.

AB - A multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals is presented. The proposed antenna is composed of a multibranch driven strip, a parasitic grounded strip, and an integrated metal rim that is connected to the ground through two shorting stubs. The proposed antenna occupies a 5-mm clearance area, featuring simple design without lumped components. The working principle of the antenna is analyzed in detail in terms of its multiple resonant modes and current distributions. The resultant |S11| ≤ −6 dB impedance bandwidth of the antenna covers the LTE 700/2300/2500, UMTS, GSM 850/900, DCS, PCS, and recently proposed n77 to n79 5G NR frequency bands. The prototype of the antenna is fabricated and the design is well validated by experimental results.

KW - metal-rimmed

KW - mobile terminals

KW - multiband antenna

KW - multimode antenna

KW - sub-6 GHz applications

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JO - Microwave and Optical Technology Letters

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An 11-band multimode antenna for sub-6 GHz applications in metal-rimmed mobile terminals

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Keywords

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