A wideband isotropic radiated planar antenna using sequential rotated l-shaped monopoles

Changjiang Deng; Yue Li; Zhijun Zhang; Zhenghe Feng

doi:10.1109/TAP.2013.2293787

A wideband isotropic radiated planar antenna using sequential rotated l-shaped monopoles

Changjiang Deng, Yue Li, Zhijun Zhang, Zhenghe Feng

Tsinghua University

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

84 Citations (Scopus)

Abstract

In this communication, we have proposed a compact planar antenna for isotropic radiation pattern in a wide operating band. The proposed antenna consists of four sequential rotated L-shaped monopoles that are fed by a compact uniform sequential-phase (SP) feeding network with equal amplitude and incremental 90$^\circ phase delay. Based on the rotated field method, a full spatial coverage with gain deviation less than 6 dB is achieved in a wide operating band from 2.3 to 2.61 GHz, also with well-impedance matching. A prototype of the proposed antenna has been built and tested. The measured results, including the reflection coefficient, gain, and radiation patterns, are analyzed and compared with the simulated results.

Original language	English
Article number	6678583
Pages (from-to)	1461-1464
Number of pages	4
Journal	IEEE Transactions on Antennas and Propagation
Volume	62
Issue number	3
DOIs	https://doi.org/10.1109/TAP.2013.2293787
Publication status	Published - Mar 2014
Externally published	Yes

Keywords

Isotropic radiation pattern
rotated field
rotated sequential feeding network
wideband antenna

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10.1109/TAP.2013.2293787

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abstract = "In this communication, we have proposed a compact planar antenna for isotropic radiation pattern in a wide operating band. The proposed antenna consists of four sequential rotated L-shaped monopoles that are fed by a compact uniform sequential-phase (SP) feeding network with equal amplitude and incremental 90\$\textbackslash{}circ phase delay. Based on the rotated field method, a full spatial coverage with gain deviation less than 6 dB is achieved in a wide operating band from 2.3 to 2.61 GHz, also with well-impedance matching. A prototype of the proposed antenna has been built and tested. The measured results, including the reflection coefficient, gain, and radiation patterns, are analyzed and compared with the simulated results.",

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AU - Zhang, Zhijun

AU - Feng, Zhenghe

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Y1 - 2014/3

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AB - In this communication, we have proposed a compact planar antenna for isotropic radiation pattern in a wide operating band. The proposed antenna consists of four sequential rotated L-shaped monopoles that are fed by a compact uniform sequential-phase (SP) feeding network with equal amplitude and incremental 90$\circ phase delay. Based on the rotated field method, a full spatial coverage with gain deviation less than 6 dB is achieved in a wide operating band from 2.3 to 2.61 GHz, also with well-impedance matching. A prototype of the proposed antenna has been built and tested. The measured results, including the reflection coefficient, gain, and radiation patterns, are analyzed and compared with the simulated results.

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A wideband isotropic radiated planar antenna using sequential rotated l-shaped monopoles

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Keywords

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