5.8 GHz DSRC和5.9 GHz波共存滤波器设计

2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) Pub Date : 2020-11-23 DOI:10.1109/ICMIM48759.2020.9299003

A. Cidronali, G. Collodi, M. Lucarelli, S. Maddio, G. Pelosi

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引用次数: 0

摘要

本文介绍了一种用于ITS系统环境下汽车应用的滤波器。该器件是一种具有高增益的紧凑圆极化贴片天线。后者是通过使用寄生耦合机制实现的。天线本身集成了一个紧凑的滤波器，实现了从馈线蚀刻出适当设计的螺旋。所得到的结构是一个低轮廓和紧凑的滤波器，适用于传输5.8GHz的DSRC信号，同时阻塞5.9GHz分配的WAVE协议数据。这种实现非常紧凑，可扩展，适合板载单元部署。实验模拟证实，在5.8GHz时最大增益为5.1dBi，而在拒绝频率(5.9GHz)时，其值约为0.5dBi。在5.8GHz时(15.6dB)，可以很好地区分LH和RH极化，从而验证了设计，使器件适合DSRC工作。

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Filtenna Design for 5.8 GHz DSRC and 5.9 GHz WAVE Coexistence

In this manuscript a filtenna designed for automotive applications in ITS system environment is presented. The proposed device is a compact circularly polarized patch antenna characterized by high gain. The latter is enabled by the use of a parasite coupling mechanism. The antenna itself is integrated with a compact filter, realized etching out properly designed spirals from the feeding line. The resulting structure is a low profile and compact filtenna, suitable for transmitting DSRC signals at 5.8GHz while at the same time blocking the WAVE protocol data allocated at 5.9GHz. This implementation is extremely compact, scalable and suitable for On-Board Units deployment. Experimental simulations confirm a maximum gain at 5.8GHz of 5.1dBi, while at the rejected frequency (5.9GHz) it has a value around 0.5dBi. A good discrimination between LH and RH polarization at 5.8GHz is shown (15.6dB), thus validating the design and making the device suitable for DSRC operation.

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来源期刊

2020 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM)

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