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Compact dual-band antenna based on CRLH-TL for WWAN/LTE terminal applications

Hu, Wei, Qian, Long, Wen, Le-Hu, Yang, Xi, Yin, Yingzeng (2019) Compact dual-band antenna based on CRLH-TL for WWAN/LTE terminal applications. International Journal of RF and Microwave Computer-Aided Engineering, 29 (4). e21587. ISSN 1096-4290. (doi:10.1002/mmce.21587​)

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https://doi.org/10.1002/mmce.21587​

Abstract

In this article, a compact dual‐band antenna based on composite right/left‐handed transmission line (CRLH‐TL) is proposed for WWAN/LTE wireless terminal applications. By using 2 symmetrical CRLH structures, the proposed antenna can easily produce 2 wide separate operating frequency bands with a compact size of 25 × 25 × 6 mm3. Additionally, a pair of matching strips is introduced on both sides of the feeding line to further improve the impedance characteristics of the terminal antenna. The experimental results demonstrate the proposed antenna is capable of working over the frequency ranges of 0.66‐1.06 GHz and 1.68‐2.88 GHz with |S11| < −6 dB, which can cover the bands of LTE700, GSM850, GSM900, GSM1800, GSM1900, UMTS, LTE2300, and LTE2500 for wireless terminals. Moreover, the multiple input multiple output (MIMO) operating performance of the proposed antenna element is also studied, and an enhanced isolation between the antenna elements is obtained by utilizing the defected ground structures and grounded branches.

Item Type: Article
DOI/Identification number: 10.1002/mmce.21587​
Uncontrolled keywords: CRLH‐TL, MIMO, terminal antenna, WWAN/LTE
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Depositing User: L. Wen
Date Deposited: 23 May 2019 08:59 UTC
Last Modified: 18 Nov 2019 00:00 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/74074 (The current URI for this page, for reference purposes)
Wen, Le-Hu: https://orcid.org/0000-0001-9757-1114
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