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On the Design of Oversampled Filter Banks for Channel Coding

On the Design of Oversampled Filter Banks for Channel Coding
On the Design of Oversampled Filter Banks for Channel Coding
Oversampled filter banks have been considered for channel coding, because they introduce redundancy into the subband representation of signals and permit more freedom in their design than critically sampled structures. In this paper, based on the knowledge of the channel noise's covariance matrix, we propose a constrained design for the synthesis filter bank in order to minimise the noise power in the decoded signal, subject to admitting perfect reconstruction. For the special case of paraunitary filter banks, a suboptimal iterative design is presented, which highlights the potential benefits of this approach, as demonstrated by a design example.
3-200-00165-8
885-888
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476

Weiss, S (2004) On the Design of Oversampled Filter Banks for Channel Coding. 12th European Signal Processing Conference, Vienna, Austria. 06 - 09 Sep 2004. pp. 885-888 .

Record type: Conference or Workshop Item (Paper)

Abstract

Oversampled filter banks have been considered for channel coding, because they introduce redundancy into the subband representation of signals and permit more freedom in their design than critically sampled structures. In this paper, based on the knowledge of the channel noise's covariance matrix, we propose a constrained design for the synthesis filter bank in order to minimise the noise power in the decoded signal, subject to admitting perfect reconstruction. For the special case of paraunitary filter banks, a suboptimal iterative design is presented, which highlights the potential benefits of this approach, as demonstrated by a design example.

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More information

Published date: 2004
Additional Information: Commentary On: invited paper Event Dates: September 7-10
Venue - Dates: 12th European Signal Processing Conference, Vienna, Austria, 2004-09-06 - 2004-09-09
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 259936
URI: http://eprints.soton.ac.uk/id/eprint/259936
ISBN: 3-200-00165-8
PURE UUID: 8abd0a73-9a4c-4a38-8d65-c3bf1af4a3bf

Catalogue record

Date deposited: 13 Sep 2004
Last modified: 23 Sep 2020 16:34

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