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The correct application of total active reflection coefficient to evaluate MIMO antenna systems and its generalization to N ports

机译:全有源反射系数在MIMO天线系统评估中的正确应用及其对N个端口的推广

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摘要

Several papers published by prestigious Journals on Antennas and MicrowaveTechniques have disseminated misconceptions about total active reflection coefficient(TARC), a meaningful metric to characterize multiple-input multiple-outputantenna arrays, and the misapprehension has been spread over the years. In thisarticle, an extrapolation to calculate TARC for N-antennas systems is derived andapplied to published results for illustration purposes. Moreover, the inaccurateand correct TARC equations are put in context by means of its physic and mathematicalinsight, demonstrating the divergence of results when the interport RFisolation is comparable or higher than the port matching. The importance ofassessing multiantenna systems using TARC is explained.
机译:由著名的《天线与微波技术杂志》发表的几篇论文散布了关于全有源反射系数(TARC)的误解,TARC是表征多输入多输出天线阵列的一种有意义的度量标准,并且这种误解已经散布多年。在本文中,导出了用于计算N天线系统的TARC的外推法,并将其应用于已发布的结果,以进行说明。此外,不精确和正确的TARC方程式是通过其物理和数学原理而被置于上下文中的,证明了当端口间RFisolation可比或高于端口匹配时,结果的分歧。解释了使用TARC评估多天线系统的重要性。

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