认知LTE-A系统多通道频谱感知与滤波器组实现实验

Trung-Thanh Nguyen, Marc Hoffmann, T. Kreul, T. Kaiser
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引用次数: 0

摘要

宽带频谱感知是认知无线电领域的研究热点。采用不同的检测算法,滤波器组是一种很好的宽带传感方法。在[1]中,针对LTE-A信号提出了一种带滤波器组实现的宽带传感方案。该方案能够对多通道的LTE-A信号进行并行检测和分类。在这项工作中,我们在移动通信的实际场景中验证了该方案的可靠性。该方案通过LTE基站应急综合试验台对实际宽带LTE信号进行处理。实验结果与前人的研究结果一致,验证了该频谱感知方案的可靠性。此外,他们还成功地将该方案集成到LTE基站中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experiments on multi-channel spectrum sensing with filter bank realization for cognitive LTE-A systems
Wideband spectrum sensing is an attractive topic in cognitive radio (CR). Filter-banks are a good approach for wideband sensing with different detection algorithms. A wideband sensing scheme with filter-bank realization was proposed as in [1] for long-term evolution advanced (LTE-A) signals. The scheme is able to detect and classify LTE-A signals in multi-channels in parallel. In this work, we validate the reliability of the scheme in realistic scenarios of mobile communications. Real wideband LTE signals are processed by the scheme with an integrated test-bed for LTE base-stations in emergency situations. The experimental results agree with previous works to approve the reliability of the spectrum sensing scheme. Besides, they lead a successful integration approach of the scheme into LTE base-stations.
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