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An Efficient Scheme for Broadband Adaptive Beamforming

An Efficient Scheme for Broadband Adaptive Beamforming
An Efficient Scheme for Broadband Adaptive Beamforming
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 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.
0-7803-5700-0
496-500
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Stewart, R W
c819965d-70b4-4689-8206-e6e444dcbf8e
Schabert, M
cb83a303-6a0e-4b5e-ad21-65ef82e3594f
Proudler, I K
6811ac51-8868-40ee-88f2-aa7107e6d3f1
Hoffman, M W
64ae7f46-bbce-4707-bc75-0b536a770451
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Stewart, R W
c819965d-70b4-4689-8206-e6e444dcbf8e
Schabert, M
cb83a303-6a0e-4b5e-ad21-65ef82e3594f
Proudler, I K
6811ac51-8868-40ee-88f2-aa7107e6d3f1
Hoffman, M W
64ae7f46-bbce-4707-bc75-0b536a770451

Weiss, S, Stewart, R W, Schabert, M, Proudler, I K and Hoffman, M W (1999) An Efficient Scheme for Broadband Adaptive Beamforming. 33rd Asilomar Conference on Signals, Systems, and Computers. pp. 496-500 .

Record type: Conference or Workshop Item (Other)

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 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.

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More information

Published date: October 1999
Additional Information: Organisation: IEEE Address: Monterey, California, USA
Venue - Dates: 33rd Asilomar Conference on Signals, Systems, and Computers, 1999-10-01
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 251927
URI: http://eprints.soton.ac.uk/id/eprint/251927
ISBN: 0-7803-5700-0
PURE UUID: f1b98141-1573-4bba-bebc-0ad7a794d044

Catalogue record

Date deposited: 08 Nov 2000
Last modified: 16 Dec 2019 20:47

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