具有改进的频率通道选择性的射频频谱传感接收机系统，用于认知物联网传感器网络应用

2016 IEEE MTT-S International Microwave Symposium (IMS) Pub Date : 2016-08-11 DOI:10.1109/MWSYM.2016.7540311

Jun Gi Hong, Seok-Jae Lee, Jongsik Lim, Won‐Sang Yoon, Sang‐Min Han

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引用次数: 6

摘要

提出了一种提高信道选择性的信道选择性超再生接收机系统。由于射频频谱传感功能，所提出的SRR系统仅在有效的输入信号下运行。为了克服SRR的粗糙通道选择性，提出了一种控制淬火信号波形的系统方法。实验结果表明，该系统在3.5 mhz信道带宽下具有良好的信道选择能力。该架构可以为认知物联网传感器网络分配至少三倍于以前的通道数量。

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RF spectrum sensing receiver system with improved frequency channel selectivity for cognitive iot sensor network applications

A channel-selective super regenerative receiver (SRR) system is proposed with improved channel selectivity. The proposed SRR system operates only at a valid incoming signal due to the RF spectrum sensing functionality. To overcome the rough channel selectivity of the SRR, a systemic methodology is proposed for controlling quenching signal waveforms. From the experimental evaluations, the proposed system presented excellent channel selection capability of the 3.5-MHz channel bandwidth. The proposed architecture can allocate at least three times the number of channels for cognitive IoT sensor networks as that of previous ones.

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2016 IEEE MTT-S International Microwave Symposium (IMS)

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