Evaluation of a wideband pattern-reconfigurable multiple antenna system for vehicular applications
Evaluation of a wideband pattern-reconfigurable multiple antenna system for vehicular applications
复制标题
用于车辆应用的宽带方向图可重构多天线系统的评估
DOI：
10.1049/cp.2018.0884
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
Mahler
中科院分区：
文献类型：
--
作者：
Kowalewski;Mahler
提出了一种由两个方向图可重构天线组成的多输入多输出（MIMO）天线系统。可配置天线由共面波导（CPW）馈电和每个天线的两个“c”形辐射器组成，放置在中心馈电导体的两侧。通过切换两个p-i-n二极管，实现了三个方向图单天线的重构。天线带宽为2.1-2.87 GHz（31%带宽），可覆盖不同的移动的业务。作为概念验证，已经制造并测量了该天线的原型。不同状态之间的增益变化非常小，并且实现了7.3dBi的峰值增益。在S参数和辐射方面，测量结果与模拟结果吻合较好。
A multiple-input multiple-output (MIMO) antenna system consisting of two pattern reconfigurable antennas is presented in this paper. There configurable antennas consist of coplanar waveguide (CPW) feed and two "c" formed radiators per antenna, placed on two sides of central feed conductor. Three directivity pattern sperantenna are reconfigured by switching two-p-i-n-diodes, thus selecting the radiator. Presented antenna has aband width of 2.1-2.87 GHz (31% fractional bandwidth) covering different mobile services. As a proof of concept a proto type of this antenna has been fabricated and measured. The gain variation between different states is very small and peak gain of 7.3 dBi is achieved. The measurement results correspond well with the simulation results in terms of S-parameter and radiation.