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A GSC employing two-dimensional frequency invariant filters

Liu, Wei and Weiss, S. and Hanzo, L. (2004) A GSC employing two-dimensional frequency invariant filters. In: Proceedings of the Sensor Array and Multichannel Signal Processing Workshop 2004. IEEE, pp. 84-88. ISBN 0-7803-8545-4

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Abstract

In this paper, based on the generalised sidelobe canceller (GSC), we propose a novel broadband adaptive beamformer, where its quiescent vector and blocking matrix are replaced by a series of two dimensional frequency invariant filters (FIFs). The new quiescent vector forms a beam pointing to the signal of interest, whereas the new blocking matrix forms a number of beams pointing to other directions, with a zero response to the signal of interest. As opposed to standard beam space techniques, the FIFs need not have a very low sidelobe level, and the number of FIFs that can be implemented also increases. Compared with the traditional GSC, a faster convergence speed is achieved in addition to a resultant frequency-invariant beam pattern, as shown by simulations.

Item type: Book Section
ID code: 39629
Keywords: adaptive antenna arrays, adaptive signal processing , adaptive filters , antenna radiation patterns , Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Pure Administrator
Date deposited: 09 May 2012 11:41
Last modified: 07 Sep 2017 17:24
URI: https://strathprints.strath.ac.uk/id/eprint/39629
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