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首页> 外文会议>2018 IEEE Indian Conference on Antennas and Propogation >MIMO Antenna Characterization in Realistic Propagation Scenario: Use of Infinitesimal Dipole Models with Cross-correlation Green's Functions
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MIMO Antenna Characterization in Realistic Propagation Scenario: Use of Infinitesimal Dipole Models with Cross-correlation Green's Functions

机译：实际传播场景中的MIMO天线表征：具有互相关格林函数的无穷偶极子模型的使用

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摘要

This paper focuses on envelope correlation coefficient (ECC) computation of MIMO antennas operating in realistic indoor/outdoor propagation scenario, based on an integrated scheme of infinitesimal dipole modelling (IDM) and modified Cross-correlation Green's functions (CGF). By using inbuilt field calculators and IDM principle, the radiating currents of MIMO antennas modelled in commercial full-wave solvers (eg. Ansys HFSS) can be estimated effectively. The modified CGFs further embed the effects of statistical propagation parameters directly into the electromagnetic considerations. This facilitates the ECC calculation directly from the sampled radiating currents, bypassing the conventional tedious complex far-field pattern-based method. The proposed IDM/modified-CGF methodology is validated by analyzing a two-element MIMO antennas based on strip-dipole pairs for a wide range of practical indoor/outdoor non-uniform scenario parameters.
机译：本文基于无穷小偶极子建模（IDM）和改进的互相关格林函数（CGF）的集成方案，着重研究了在现实的室内/室外传播情况下工作的MIMO天线的包络相关系数（ECC）。通过使用内置的现场计算器和IDM原理，可以有效地估算在商用全波求解器（例如Ansys HFSS）中建模的MIMO天线的辐射电流。修改后的CGF将统计传播参数的影响直接嵌入电磁因素中。这绕开了常规的繁琐复杂的基于远场模式的方法，从而直接从采样的辐射电流中简化了ECC计算。通过分析基于带状偶极子对的两元素MIMO天线，针对各种实际的室内/室外非均匀场景参数，对提出的IDM /修改后的CGF方法进行了验证。

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