Wideband monopole antenna with less nonground portion for octa-band WWAN/LTE mobile phones

Yan Wang; Zhengwei Du

doi:10.1109/TAP.2015.2503730

Wideband monopole antenna with less nonground portion for octa-band WWAN/LTE mobile phones

Yan Wang
, Zhengwei Du

Tsinghua University

科研成果: 期刊稿件 › 文章 › 同行评审

83 引用（Scopus）

摘要

An octa-band WWAN/LTE monopole antenna with a size of 80mm × 8mm × 5.8mm for 5.7-inch mobile phones is proposed and studied. The proposed antenna consists of a folded metal plate with a lumped-element high-pass matching circuit. The working mechanism is analyzed based on the S-parameters and the surface current distributions. The 0.25-wavelength, 0.5-wavelength, and 1-wavelength modes of the monopole antenna are excited and used. The attractive merit of the proposed antenna is that the height of the nonground portion is only 8 mm. A prototype is fabricated and measured. Its measured -6 dB impedance bandwidths are 290 MHz (0.69-0.98 GHz) and 1.11 GHz (1.63-2.74 GHz) which cover the LTE700, GSM850, GSM900, GSM1800, GSM1900, UMTS, LTE2300, and LTE2500 bands. Within the two frequency bands, good radiation performances are obtained.

源语言	英语
文章编号	7337382
页（从-至）	383-388
页数	6
期刊	IEEE Transactions on Antennas and Propagation
卷	64
期	1
DOI	https://doi.org/10.1109/TAP.2015.2503730
出版状态	已出版 - 1月 2016
已对外发布	是

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title = "Wideband monopole antenna with less nonground portion for octa-band WWAN/LTE mobile phones",

abstract = "An octa-band WWAN/LTE monopole antenna with a size of 80mm × 8mm × 5.8mm for 5.7-inch mobile phones is proposed and studied. The proposed antenna consists of a folded metal plate with a lumped-element high-pass matching circuit. The working mechanism is analyzed based on the S-parameters and the surface current distributions. The 0.25-wavelength, 0.5-wavelength, and 1-wavelength modes of the monopole antenna are excited and used. The attractive merit of the proposed antenna is that the height of the nonground portion is only 8 mm. A prototype is fabricated and measured. Its measured -6 dB impedance bandwidths are 290 MHz (0.69-0.98 GHz) and 1.11 GHz (1.63-2.74 GHz) which cover the LTE700, GSM850, GSM900, GSM1800, GSM1900, UMTS, LTE2300, and LTE2500 bands. Within the two frequency bands, good radiation performances are obtained.",

keywords = "Mobile antenna, Mobile phone, Nonground portion, Small size, Wideband/multiband",

author = "Yan Wang and Zhengwei Du",

note = "Publisher Copyright: {\textcopyright} 2015 IEEE.",

year = "2016",

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doi = "10.1109/TAP.2015.2503730",

language = "English",

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AU - Wang, Yan

AU - Du, Zhengwei

PY - 2016/1

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N2 - An octa-band WWAN/LTE monopole antenna with a size of 80mm × 8mm × 5.8mm for 5.7-inch mobile phones is proposed and studied. The proposed antenna consists of a folded metal plate with a lumped-element high-pass matching circuit. The working mechanism is analyzed based on the S-parameters and the surface current distributions. The 0.25-wavelength, 0.5-wavelength, and 1-wavelength modes of the monopole antenna are excited and used. The attractive merit of the proposed antenna is that the height of the nonground portion is only 8 mm. A prototype is fabricated and measured. Its measured -6 dB impedance bandwidths are 290 MHz (0.69-0.98 GHz) and 1.11 GHz (1.63-2.74 GHz) which cover the LTE700, GSM850, GSM900, GSM1800, GSM1900, UMTS, LTE2300, and LTE2500 bands. Within the two frequency bands, good radiation performances are obtained.

AB - An octa-band WWAN/LTE monopole antenna with a size of 80mm × 8mm × 5.8mm for 5.7-inch mobile phones is proposed and studied. The proposed antenna consists of a folded metal plate with a lumped-element high-pass matching circuit. The working mechanism is analyzed based on the S-parameters and the surface current distributions. The 0.25-wavelength, 0.5-wavelength, and 1-wavelength modes of the monopole antenna are excited and used. The attractive merit of the proposed antenna is that the height of the nonground portion is only 8 mm. A prototype is fabricated and measured. Its measured -6 dB impedance bandwidths are 290 MHz (0.69-0.98 GHz) and 1.11 GHz (1.63-2.74 GHz) which cover the LTE700, GSM850, GSM900, GSM1800, GSM1900, UMTS, LTE2300, and LTE2500 bands. Within the two frequency bands, good radiation performances are obtained.

KW - Mobile antenna

KW - Mobile phone

KW - Nonground portion

KW - Small size

KW - Wideband/multiband

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Wideband monopole antenna with less nonground portion for octa-band WWAN/LTE mobile phones

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