一种用于认知无线电频谱感知的宽带分形天线设计

2019 6th International Conference on Signal Processing and Integrated Networks (SPIN) Pub Date : 2019-03-01 DOI:10.1109/SPIN.2019.8711638

Monika Aggarwal, Amar Partap Singh Pharwaha

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引用次数: 0

摘要

本文提出了一种用于认知无线电频谱感知的新型棚屋型宽带分形天线。该天线工作在3.56 ~ 6.67 GHz波段，具有全向辐射方向图。利用飞蛾火焰优化技术(MFO)改善了回波损失。仿真结果验证了该方法在天线设计中的准确性和有效性。该设计的增益、指向性和辐射效率在指定频谱的所有频率上都是合适的。辐射方向图也是全向的，这是认知无线电中对频谱传感天线的主要要求。所设计的天线具有良好的宽带性能，带宽达60.74%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of a Broadband Fractal Antenna for Spectrum Sensing in Cognitive Radio

In this paper, a new type of hut-shaped broadband fractal antenna is proposed for spectrum sensing in cognitive radio. The proposed antenna is designed for its operation in the 3.56 - 6.67 GHz band with omnidirectional radiation pattern. Return loss has been improved by using Moth Flame Optimization (MFO) technique. The simulation result confirms the accuracy and efficiency of MFO for antenna design. The gain, directivity and radiation efficiency of the design are appropriate at all frequencies in the specified spectrum. Radiation pattern is also omnidirectional, which is the main requirement for spectrum sensing antennas in cognitive radio. The presented antenna confirms to its wideband performance having a bandwidth of 60.74%.

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2019 6th International Conference on Signal Processing and Integrated Networks (SPIN)

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