Covariance Matrix Evaluation of a Diversity Slot Antenna for Vehicular Communications

Covariance Matrix Evaluation of a Diversity Slot Antenna for Vehicular Communications
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用于车辆通信的分集缝隙天线的协方差矩阵评估

DOI:
10.1109/apusncursinrsm.2019.8888915
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发表时间:
2019
期刊:
--
影响因子:
--
通讯作者:
Sohrab A
Sohrab A
中科院分区:
--
文献类型:
--
作者:
Sohrab A

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提出了一种用于车载通信的双端口缝隙天线。该天线工作在5.9 GHz的智能交通系统(ITS)频段。设计的分集性能的评估使用一种新的协方差矩阵的方法的基础上互易定理。在早期的设计阶段的性能评估解释第一次通过所设计的天线的辐射方向图的有效长度矩阵。在安装到车顶之前,天线提供-21 dB的隔离度和6.5 dB的最小增益。估计的有效分集增益为8.6分贝。
A dual-port slot antenna is proposed for vehicular communications. The antenna works at 5.9 GHz in intelligent transportation system (ITS) band. The diversity performance of the design is evaluated using a novel covariance matrix methodology based on reciprocity theorem. The performance evaluation at the early design stage is explained for the first time by relating the radiation pattern of the designed antenna to the effective length matrix. The antenna offers -21 dB of isolation and a minimum gain of 6.5 dB before mounting on the vehicle roof. The evaluated effective diversity gain is 8.6 db.
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