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A Generalised Sidelobe Canceller Employing Two-Dimensional Frequency Invariant Filters

Liu, W, Weiss, S and Hanzo, L (2005) A Generalised Sidelobe Canceller Employing Two-Dimensional Frequency Invariant Filters IEEE Transactions on Antennas and Propagation, pp. 2339-2343.

Record type: Article


Based on the generalised sidelobe canceller (GSC), in this paper we propose a novel broadband adaptive beamformer, where the quiescent vector and blocking matrix are replaced by a series of two-dimensional frequency invariant filters (FIFs). A beam pointing towards the signal of interest takes the role of the quiescent vector, whereas the blocking matrix is formed by a number of beams covering the remaining space, with a zero response towards the signal of interest. As opposed to standard beamspace techniques, the FIFs are felxible in their numkber and are not required to posses a very low sidelobe level. Compared with a standard GSC, a faster convergence speed and lower computational complexity for the adaptive part can be achieved due to a shorter adaptive filter length.

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Published date: 2005
Organisations: Southampton Wireless Group


Local EPrints ID: 260405
PURE UUID: b2c0f778-bf6d-4794-b406-ec2a4c63713a

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Date deposited: 28 Jan 2005
Last modified: 18 Jul 2017 09:13

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Author: W Liu
Author: S Weiss
Author: L Hanzo

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