Coupling and Correlation Reduction in Compact Arrays for WSN Nodes via Pre-fractal Defected Ground Plane
作者： Constantine G. Kakoyiannis , Philip Constantinou
DOI: 10.1109/SENSORCOMM.2009.36
关键词:
摘要: We studied compact printed arrays built with sinusoidal monopoles. The antennas were designed at 2-3 GHz according to the size and bandwidth constraints of broadband sensor networks. Their performance was characterized in terms VSWR bandwidth, radiation efficiency, mutual coupling envelope correlation. Results show that densely-packed feature controllable element detuning, whereas correlation stays below 0.5 even for lambda 0/10 spacing. Finally, if suppression is needed, we describe a simple yet effective technique offers multi-decibel gains. It based on disturbance ground currents by insertion defect.
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