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Antenna configuration suitable for automatic calibration method of adaptive array for FDD systems with linear array

机译:适用于线性阵列FDD系统自适应阵列自动校准方法的天线配置

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摘要

In order to obtain an ideal radiation pattern using the adaptive array for FDD systems, calibration is required for not only the transceivers but also the antenna elements. We have already proposed an automatic calibration method for the adaptive array based on transmitting signals for FDD systems with a linear array (ACT-FL). This method utilizes signal circulation between antennas and achieves the necessary calibration including the antenna Characteristics without requiring the additional antenna. However, this calibration method largely depends on the antenna configuration because the element for the calibration affects on the calibration accuracy. In this paper, we examine the element spacing (ES) and the beam width (BW) suitable for the ACT-FL, and the SIR characteristics are also Compared considering the phase errors by the ACT-FL. As a result, it is found that the antenna configuration with the ES = 1.5 λ and BW = 120 degree can obtain the minimum phase errors of the ACT-FL.
机译:为了使用用于FDD系统的自适应阵列来获得理想的辐射图,不仅需要对收发器而且还需要对天线元件进行校准。我们已经为基于线性阵列的FDD系统(ACT-FL)的传输信号提出了一种自适应阵列的自动校准方法。这种方法利用了天线之间的信号循环,无需额外的天线即可实现包括天线特性在内的必要校准。但是,该校准方法很大程度上取决于天线配置,因为用于校准的元素会影响校准精度。在本文中,我们检查了适合ACT-FL的元件间距(ES)和光束宽度(BW),并考虑了ACT-FL的相位误差,比较了SIR特性。结果,发现具有ES =1.5λ和BW = 120度的天线配置可以获得ACT-FL的最小相位误差。

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