论文信息 - A two array spectrum sensing algorithm based on Duffing oscillator with the parameters adjustable

A two array spectrum sensing algorithm based on Duffing oscillator with the parameters adjustable

Due to the development of radio service and the limitation of the frequency spectrum, spectrum multiplexing has been attached more and more attention. Spectrum Detection Technology is particularly important. This article has designed a weak signal detection system based on the Duffing oscillator which uses a two-level array detection algorithm to do fast detection. Then the article proposes a new state determination algorithm-TICTACTOEMIDLET algorithm. It uses the distribution character of the sample value of the phase trace to determine the state of the system. The simulation result shows the algorithm can detect the spectrum accurately.

Zhou Zheng | Liu Yujun | Liu Shaohui | Zhang Luyong | Xu Shihui

[1] Shie Yang,et al. Weak Signal Detection Based on Chaotic Prediction , 2009, 2009 Second International Workshop on Knowledge Discovery and Data Mining.

[2] Sailing He,et al. A quantitative study on detection and estimation of weak signals by using chaotic Duffing oscillators , 2003 .

[3] Xing Chen,et al. The application of chaotic oscillators to weak signal detection , 1999, IEEE Trans. Ind. Electron..

[4] D. L. Birx,et al. Chaotic oscillators and complex mapping feed forward networks (CMFFNs) for signal detection in noisy environments , 1992, [Proceedings 1992] IJCNN International Joint Conference on Neural Networks.

[5] Sai Shankar Nandagopalan,et al. IEEE 802.22: An Introduction to the First Wireless Standard based on Cognitive Radios , 2006, J. Commun..