An efficient scheme for broadband adaptive beamforming

Weiss, S. and Stewart, R.W. and Schabert, M. and Proudler, I. and Hoffman, M.W.; (1999) An efficient scheme for broadband adaptive beamforming. In: Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers, 1999. Conference Record - Asilomar Conference on Signals, Systems and Computers, 1 . IEEE, USA, pp. 496-500. ISBN 0780357000 (https://doi.org/10.1109/ACSSC.1999.832379)

Abstract

This paper introduces an oversampled subband approach to linearly constrained minimum variance adaptive broadband beamforming. This method is motivated by the considerable reduction in computation over fullband implementation and resulting large computational complexity when fullband beamformers with high spatial and spectral resolution are required. We present the proposed subband adaptive beamformer structure, discuss the advantages and limitations of it, and comment on the correct projection of the constraints in the subband domain. In a simulation, the proposed subband structure is compared to a fullband adaptive beamformer, highlighting the benefit of our method.

ORCID iDs

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

Stewart, R.W. ORCID: https://orcid.org/0000-0002-7779-8597

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  Item type:	Book Section
  ID code:	40530
  Dates:	Date Event 27 October 1999 Published
  Notes:	© 1999 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
  Keywords:	array signal processing, artificial intelligence, finite impulse response filter , signal processing , sensor arrays, propagation delay , efficient scheme, broadband, adaptive beamforming, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	24 Jul 2012 14:36
  Last modified:	22 Sep 2022 01:39
  URI:	https://strathprints.strath.ac.uk/id/eprint/40530