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A Fast Converging Concurrent Affine Projection Algorithm for Blind Multiuser Equalisation

A Fast Converging Concurrent Affine Projection Algorithm for Blind Multiuser Equalisation
A Fast Converging Concurrent Affine Projection Algorithm for Blind Multiuser Equalisation
In this paper, we derive a fast converging concurrent affine projection algorithm for blind multiuser equalisation, suitable for downlink DS-CDMA systems. Adaptation is performed by concurrently minimising two cost functions based on either a CM criterion or a DD scheme for all active users. Concurrent schemes are known to provide faster convergence. Similarly, affine projection algorithms have been incorporated into blind algorithms elsewhere with good improvement of convergence speed. We show by computer simulation that substantial performance improvements can be gained over either technique on its own.
0863415601
23/1-23/4
Hadef, M
afe928bb-6ce4-4060-8370-593fd2402cd6
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Hadef, M
afe928bb-6ce4-4060-8370-593fd2402cd6
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476
Weiss, S
a1716781-351d-41d2-8d67-3e3d34f16476

Hadef, M and Weiss, S (2005) A Fast Converging Concurrent Affine Projection Algorithm for Blind Multiuser Equalisation. Weiss, S (ed.) 2nd IEE/EURASIP Conference on DSP Enabled Radio, University of Southampton. 19 - 20 Sep 2005. 23/1-23/4 .

Record type: Conference or Workshop Item (Paper)

Abstract

In this paper, we derive a fast converging concurrent affine projection algorithm for blind multiuser equalisation, suitable for downlink DS-CDMA systems. Adaptation is performed by concurrently minimising two cost functions based on either a CM criterion or a DD scheme for all active users. Concurrent schemes are known to provide faster convergence. Similarly, affine projection algorithms have been incorporated into blind algorithms elsewhere with good improvement of convergence speed. We show by computer simulation that substantial performance improvements can be gained over either technique on its own.

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More information

Published date: 2005
Additional Information: Event Dates: September 19-20
Venue - Dates: 2nd IEE/EURASIP Conference on DSP Enabled Radio, University of Southampton, 2005-09-19 - 2005-09-20
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 261255
URI: http://eprints.soton.ac.uk/id/eprint/261255
ISBN: 0863415601
PURE UUID: 234bc346-9c48-4608-80e3-3d6e02aa256b

Catalogue record

Date deposited: 23 Sep 2005
Last modified: 14 Mar 2024 06:50

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Contributors

Author: M Hadef
Author: S Weiss
Editor: S Weiss

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