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Multiband antenna for portable device applications

机译:用于便携式设备应用的多频带天线

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摘要

This article describes a compact planar microstrip antenna for multiband transceiver application. The proposed antenna consists of a combination of E-shaped and C-shaped radiators that are excited via a common microstrip feed-line. Embedded in the ground-plane are included an open- and short-ended slots whose purpose is to enhance the antenna's impedance match and increase the number of bands in which the antenna can operate. A prototype antenna was fabricated on a standard FR4 substrate with εr of 4.4 and thickness of 1.6 mm, and its reflection-coefficient and radiation patterns were measured to demonstrate its feasibility. Measurements confirm the antenna can simultaneously operate over the frequency bands of: DCS (1.71–1.85 GHz), PCS (1.85–1.99 GHz), UMTS (1.92–2.17 GHz), Wibro (2.3–2.39 GHz), WLAN+ Bluetooth (2.4–2.48 MHz), WIMAX (2.5–2.69 GHz), WIMAX (3.3–3.5 GHz), HIPERLAN2 (5.15–5.35/5.47–5.725 GHz), and WLAN (5.15–5.35/5.725–5.825 GHz). The antenna has dimensions of 30 × 40 × 1.6 mm3, which is compatible with the requirements imposed by portable wireless systems.
机译:本文介绍了一种用于多频段收发器的紧凑型平面微带天线。拟议的天线由E形和C形辐射体的组合组成,这些辐射体通过一条公共微带馈线被激发。嵌入在接地平面中的是一个开放式和短端插槽,其目的是增强天线的阻抗匹配并增加天线可以工作的频带数。在标准FR4基板上以εr为4.4,厚度为1.6 mm制作了原型天线,并测量了其反射系数和辐射方向图,以证明其可行性。测量结果确认天线可以在以下频段上同时工作:DCS(1.71–1.85 GHz),PCS(1.85–1.99 GHz),UMTS(1.92–2.17 GHz),Wibro(2.3–2.39 GHz),WLAN +蓝牙(2.4– 2.48 MHz),WIMAX(2.5–2.69 GHz),WIMAX(3.3–3.5 GHz),HIPERLAN2(5.15-5.35 / 5.47–5.725 GHz)和WLAN(5.15-5.35 / 5.725–5.825 GHz)。天线的尺寸为30×40×1.6 mm3,符合便携式无线系统的要求。

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