Low-complexity frequency-domain GSC for broadband beamforming

Liu, Wei and Weiss, S. and Hanzo, L. (2002) Low-complexity frequency-domain GSC for broadband beamforming. In: 6th International Conference on Signal Processing, 2002-08-26 - 2002-08-30. (https://doi.org/10.1109/ICOSP.2002.1181071)

Abstract

This paper proposes a new method to reduce the computational complexity of the frequency-domain GSC. In this proposed GSC structure, the column vectors of the blocking matrix constitute a series of bandpass filters, which decompose the impinging signals into components of specific DOA angles and frequencies and lead to band-limited spectra of blocking matrix outputs. When applying a DFT to each of these outputs, some of the frequency bins of the DFT are zero and can be omitted from the adaptive processing. This, together with partial adaptivity of the beamformer, results in a low computational complexity system.

ORCID iDs

Weiss, S. ORCID: https://orcid.org/0000-0002-3486-7206

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	39327
  Dates:	Date Event 2002 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	24 Apr 2012 10:16
  Last modified:	11 Nov 2024 16:16
  URI:	https://strathprints.strath.ac.uk/id/eprint/39327