Blind chip-rate multiuser equalisation

Weiss, S. and Hadef, M. (2003) Blind chip-rate multiuser equalisation. In: IEE Colloquium on DSP enabled Radio, 2003-09-22 - 2003-09-23. (https://doi.org/10.1049/ic.2003.0305)

Abstract

This paper addresses blind multiuser detection in a DS-CDMA downlink channel. The synchronous users are separated by re-establishing orthogonality of their spreading sequences in a common chip-rate equaliser. The adaptation algorithm can be based either on a constant modulus (CMA) criterion of the various users, or on a decision directed (DD) scheme. In either case, a stochastic gradient descent algorithm will result, as derived, in a multiple error filtered-X LMS type approach, whereby the equaliser input to both the multichannel CMA or DD algorithm are replaced by spreading code filtered versions. Adaptation examples are given underlining some of the characteristics of the proposed algorithms.

ORCID iDs

Weiss, S. ORCID: https://orcid.org/0000-0002-3486-7206

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	38344
  Dates:	Date Event September 2003 Published
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	08 Mar 2012 16:33
  Last modified:	11 Nov 2024 16:17
  URI:	https://strathprints.strath.ac.uk/id/eprint/38344