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The chaotic frequency hopping signals for MIMO radar

Zhu, Y., Hadjiloucas, S., Chen, J., Long, W. and Li, J. (2014) The chaotic frequency hopping signals for MIMO radar. Journal of Computational Information Systems, 10 (10). pp. 4261-4269. ISSN 1553-9105

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In multiple-input multiple-output (MIMO) radar systems, the transmitters emit orthogonal waveforms to increase the spatial resolution. New frequency hopping (FH) codes based on chaotic sequences are proposed. The chaotic sequences have the characteristics of good encryption, anti-jamming properties and anti-intercept capabilities. The main idea of chaotic FH is based on queuing theory. According to the sensitivity to initial condition, these sequences can achieve good Hamming auto-correlation while also preserving good average correlation. Simulation results show that the proposed FH signals can achieve lower autocorrelation side lobe level and peak cross-correlation level with the increasing of iterations. Compared to the LFM signals, this sequence has higher range-doppler resolution.

Item Type:Article
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:39801
Uncontrolled Keywords:MIMO Radar; Frequency Hopping; Chaotic Sequence; OFDM-LFM
Publisher:Binary information press

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