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首页> 外文期刊>International journal of electronics >A compact dual-band RF front-end and board design for vehicular platforms
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A compact dual-band RF front-end and board design for vehicular platforms

机译：用于车载平台的紧凑型双频段RF前端和板设计

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摘要

Modern vehicular platforms include several wireless systems that provide navigation, entertainment and road side assistance, among other services. These systems operate at different frequency bands and thus careful system-level design should be followed to minimise the interference between them. In this study, we present a compact dual-band RF front-end module for global positioning system (GPS) operating in the Ll-band (1574.42-1576.42 MHz) and satellite digital audio radio system (SDARS) operating in the S-band (2320-2345 MHz). The module provides more than 26 dB of measured gain in both bands and low noise figure values of 0.9 and 1.2 dB in SDARS and GPS bands, respectively. The front-end has interference suppression capability from the advanced mobile phone system and personal communication service cellular bands. The module is designed on a low-cost FR-4 substrate material and occupies a small size of 62×29×1.3 mm~3. It dissipates 235 mW in the SDARS section and lOOmW in the GPS section. Three prototypes have been built to verify a repeatable performance.
机译：现代车辆平台包括几个提供导航，娱乐和路边协助等服务的无线系统。这些系统在不同的频段上运行，因此应遵循仔细的系统级设计，以最大程度地减小它们之间的干扰。在这项研究中，我们为在L-波段（1574.42-1576.42 MHz）工作的全球定位系统（GPS）和在S-波段工作的卫星数字音频无线电系统（SDARS）提供了一个紧凑的双频RF前端模块（2320-2345 MHz）。该模块在两个频带中均提供超过26 dB的测量增益，在SDARS和GPS频带中分别提供0.9和1.2 dB的低噪声系数值。前端具有来自高级移动电话系统和个人通信服务蜂窝频段的干扰抑制功能。该模块是在低成本FR-4基板材料上设计的，体积小巧，仅为62×29×1.3 mm〜3。它在SDARS部分耗散235 mW，在GPS部分耗散100mW。已经构建了三个原型来验证可重复的性能。

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