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Pattern reconfigurable planar UWB antenna array for future cognitive radio portable devices

机译:适用于未来认知无线电便携式设备的方向性可重构平面UWB天线阵列

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摘要

A novel pattern reconfigurable planar ultra wideband 2×2 antenna array is presented. This UWB planar array has a high gain that can be useful in sensing the spectrum for cognitive radio applications. The array can provide basic pattern reconfiguration to enhance the scanning and the communication performance in cognitive radio operation by limiting interference coming from specific directions. The reflection coefficient, radiation patterns, gain and total efficiency simulations of the UWB mode and the reconfiguration modes are presented. The pattern reconfigurablity of the proposed antenna is also investigated by simulating indoor coverage and power received in a realistic environment for different pattern configurations.
机译:提出了一种新型的模式可重构平面超宽带2×2天线阵列。此UWB平面阵列具有很高的增益,可用于感测认知无线电应用的频谱。该阵列可通过限制来自特定方向的干扰,提供基本的模式重新配置,以增强认知无线电操作中的扫描和通信性能。介绍了UWB模式和重配置模式的反射系数,辐射方向图,增益和总效率仿真。还通过模拟现实环境中针对不同方向图配置的室内覆盖范围和接收到的功率,来研究所建议天线的方向图可重构性。

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