A space-efficient coupling element antenna for WWAN applications

2013 International Workshop on Antenna Technology (iWAT) Pub Date : 2013-03-04 DOI:10.1109/IWAT.2013.6518298

A. Cihangir, F. Ferrero, C. Luxey, G. Jacquemod

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引用次数: 3

Abstract

A space-efficient capacitive coupling element antenna which covers the Wireless Wide Area Network (WWAN) low and high bands from 700 to 960MHz (LTE700&GSM850/900) and 1.7 to 2.7 GHz (DCS/PCS, UMTS, WLAN2400, LTE2500) is presented here. The main difference of this novel antenna structure versus the plain coupling element antennas is its hollowed structure: the main metal plate of the CE have been made hollow to be more space efficient and leave space for other radiators or electronic components. The design can be divided in two main steps. Firstly, a metal strip of 1mm width is used to excite the currents over the system ground plane which is the dominant radiation mechanism at low frequency. Then, the saved space is used to accommodate a higher-band antenna to cover 1.7-2.7GHz still keeping a high isolation between the two feeds. The low-band performance of the antenna is supplemented with the measurement results obtaining a total efficiency higher than 50% between 700-960MHz which is a very competitive value when compared to today's handheld mobile communication device antennas.

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用于WWAN应用的空间高效耦合元件天线

本文介绍了一种空间高效的电容耦合元件天线，该天线覆盖了700至960MHz (lte700和gsm850 /900)和1.7至2.7 GHz (DCS/PCS, UMTS, WLAN2400, LTE2500)的无线广域网(WWAN)低频段和高频段。这种新型天线结构与普通耦合元件天线的主要区别在于其中空结构:CE的主金属板被制成空心，以提高空间效率，并为其他散热器或电子元件留出空间。设计可分为两个主要步骤。首先，采用1mm宽的金属条激励系统地平面上的电流，这是低频时主要的辐射机制。然后，节省的空间用于容纳更高频段的天线，以覆盖1.7-2.7GHz，同时保持两个馈电之间的高隔离。该天线的低频段性能与测量结果相辅相成，在700-960MHz之间获得了高于50%的总效率，与当今的手持移动通信设备天线相比，这是一个非常有竞争力的价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 International Workshop on Antenna Technology (iWAT)

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