Abstract
A novel blind digital beamforming (DBF) method based on complex-valued ICA is presented in this paper. The main idea of this method is to get the accurate estimation of array manifold using complex-valued ICA algorithms (such as CFastICA and JADE algorithms), and then beams are formed with DBF algorithm LCMV. Due to the inherent complex amplitude uncertainty of complex ICA algorithm, it is difficult to obtain an accurate array manifold directly. To overcome this disadvantage, an accurate array manifold can be got by our new method. The array manifold can be estimated accurately and the performance of the blind beamformers is also very well by proposed method in our simulation results with low SNR.
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Zhou, Z., Ma, W., Tian, H., Gong, J., Song, B., Shang, X. (2021). Blind DBF Based on Complex-Valued Independent Component Analysis Algorithm. In: Wang, Y., Xu, L., Yan, Y., Zou, J. (eds) Signal and Information Processing, Networking and Computers. Lecture Notes in Electrical Engineering, vol 677. Springer, Singapore. https://doi.org/10.1007/978-981-33-4102-9_73
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DOI: https://doi.org/10.1007/978-981-33-4102-9_73
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