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Performance and Complexity Comparison of Broadband Beamforming Structures

Performance and Complexity Comparison of Broadband Beamforming Structures
Performance and Complexity Comparison of Broadband Beamforming Structures
In this paper, we compare low cost implementations of broadband adaptive beamformers, exemparily the generalised sidelobe canceller, using least-mean squares type algorithms. DFT based techniques suffer from unjustified narrowband assumptions, or in case of overlap-save implementations, from potential slow convergence. Subband techniques offer a more robust convergence traded-off for a somewhat higher computational cost. Simulation results revealing some of the algorithms' properties are presented.
0 7803 8545 4
124-128
Koh, C L
8a2743b0-d7ca-435b-9861-cd1c3f9036a4
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Koh, C L
8a2743b0-d7ca-435b-9861-cd1c3f9036a4
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476

Koh, C L and Weiss, S (2004) Performance and Complexity Comparison of Broadband Beamforming Structures. Third IEEE Sensor Array and Multichannel Signal Processing Workshop, Spain. 18 - 21 Jul 2004. pp. 124-128 .

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper, we compare low cost implementations of broadband adaptive beamformers, exemparily the generalised sidelobe canceller, using least-mean squares type algorithms. DFT based techniques suffer from unjustified narrowband assumptions, or in case of overlap-save implementations, from potential slow convergence. Subband techniques offer a more robust convergence traded-off for a somewhat higher computational cost. Simulation results revealing some of the algorithms' properties are presented.

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More information

Published date: 2004
Additional Information: Event Dates: July 18-21
Venue - Dates: Third IEEE Sensor Array and Multichannel Signal Processing Workshop, Spain, 2004-07-18 - 2004-07-21
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 261261
URI: http://eprints.soton.ac.uk/id/eprint/261261
ISBN: 0 7803 8545 4
PURE UUID: 8ab7d813-c1e2-4135-bff6-aa1b099f6737

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Date deposited: 26 Sep 2005
Last modified: 19 Jul 2019 22:34

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