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Space-Time Equalisation Assisted Minimum Bit-Error Ratio Multiuser Detection for SDMA Systems

Space-Time Equalisation Assisted Minimum Bit-Error Ratio Multiuser Detection for SDMA Systems
Space-Time Equalisation Assisted Minimum Bit-Error Ratio Multiuser Detection for SDMA Systems
This contribution investigates a space-time equalisation assisted multiuser detection scheme designed for multiple receiver antenna aided space division multiple access (SDMA) systems. A novel minimum bit error ratio (MBER) design is invoked for the multiuser detector (MUD), which is shown to be capable of improving the attainable performance and enhancing system capacity in comparison to that of the standard minimum mean square error (MMSE) design. The adaptive MUD coefficient adjustment procedure of the MBER space-time MUD is implemented using a stochastic gradient based least bit error rate (LBER) algorithm, which consistently outperforms the classic least mean square (LMS) algorithm, while maintaining a lower computational complexity than the latter.
1220-1224
Chen, S.
ac405529-3375-471a-8257-bda5c0d10e53
Yang, X.C.
24021645-9e0a-4495-b35c-817f6d550cef
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Chen, S.
ac405529-3375-471a-8257-bda5c0d10e53
Yang, X.C.
24021645-9e0a-4495-b35c-817f6d550cef
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1

Chen, S., Yang, X.C. and Hanzo, L. (2005) Space-Time Equalisation Assisted Minimum Bit-Error Ratio Multiuser Detection for SDMA Systems. IEEE VTC'05 (Spring), Sweden. 30 May - 01 Jun 2005. pp. 1220-1224 .

Record type: Conference or Workshop Item (Paper)

Abstract

This contribution investigates a space-time equalisation assisted multiuser detection scheme designed for multiple receiver antenna aided space division multiple access (SDMA) systems. A novel minimum bit error ratio (MBER) design is invoked for the multiuser detector (MUD), which is shown to be capable of improving the attainable performance and enhancing system capacity in comparison to that of the standard minimum mean square error (MMSE) design. The adaptive MUD coefficient adjustment procedure of the MBER space-time MUD is implemented using a stochastic gradient based least bit error rate (LBER) algorithm, which consistently outperforms the classic least mean square (LMS) algorithm, while maintaining a lower computational complexity than the latter.

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More information

Published date: 2005
Venue - Dates: IEEE VTC'05 (Spring), Sweden, 2005-05-30 - 2005-06-01
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 261797
URI: https://eprints.soton.ac.uk/id/eprint/261797
PURE UUID: 6e41d9be-db77-4a4d-8bbe-34800c37d453
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 22 Jan 2006
Last modified: 06 Jun 2018 13:14

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