A Four-Element Antenna System for Mobile Phones

Yuan Ding; Zhengwei Du; Ke Gong; Zhenghe Feng

doi:10.1109/LAWP.2007.913276

A Four-Element Antenna System for Mobile Phones

Yuan Ding, Zhengwei Du, Ke Gong, Zhenghe Feng

Tsinghua University

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

52 Citations (Scopus)

11 Downloads (Pure)

Abstract

In this letter, a multiantenna system with four printed monopoles is presented. The monopoles that occupy relatively small area are positioned at the four corners of a printed circuit board, so that the four-element antenna system can be equipped on the lid of a folder-type mobile phone, leaving enough space for the circuits and reducing the effect of human hands. Based on simulation, a prototype for the Universal Mobile Telecommunications System (UMTS) operation has been constructed and tested. The measured -10-dB impedance bandwidths of the four elements are larger than 320 MHz with higher than 11.5-dB isolation. Moreover, the proposed antenna can provide spatial and pattern diversity in a diversity/multiple-input-multiple-output (MIMO) system.

Original language	English
Pages (from-to)	655-658
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	6
DOIs	https://doi.org/10.1109/LAWP.2007.913276
Publication status	Published - 2007

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AU - Ding, Yuan

AU - Du, Zhengwei

AU - Gong, Ke

AU - Feng, Zhenghe

PY - 2007

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N2 - In this letter, a multiantenna system with four printed monopoles is presented. The monopoles that occupy relatively small area are positioned at the four corners of a printed circuit board, so that the four-element antenna system can be equipped on the lid of a folder-type mobile phone, leaving enough space for the circuits and reducing the effect of human hands. Based on simulation, a prototype for the Universal Mobile Telecommunications System (UMTS) operation has been constructed and tested. The measured -10-dB impedance bandwidths of the four elements are larger than 320 MHz with higher than 11.5-dB isolation. Moreover, the proposed antenna can provide spatial and pattern diversity in a diversity/multiple-input-multiple-output (MIMO) system.

AB - In this letter, a multiantenna system with four printed monopoles is presented. The monopoles that occupy relatively small area are positioned at the four corners of a printed circuit board, so that the four-element antenna system can be equipped on the lid of a folder-type mobile phone, leaving enough space for the circuits and reducing the effect of human hands. Based on simulation, a prototype for the Universal Mobile Telecommunications System (UMTS) operation has been constructed and tested. The measured -10-dB impedance bandwidths of the four elements are larger than 320 MHz with higher than 11.5-dB isolation. Moreover, the proposed antenna can provide spatial and pattern diversity in a diversity/multiple-input-multiple-output (MIMO) system.

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DO - 10.1109/LAWP.2007.913276

M3 - Article

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JO - IEEE Antennas and Wireless Propagation Letters

JF - IEEE Antennas and Wireless Propagation Letters

ER -

A Four-Element Antenna System for Mobile Phones

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