Blind multiuser MMSE detector for CDMA signals in ISI channels
Gesbert, D.
Sorelius, J.
Stoica, P.
Paulraj, A.
Gigabit Wireless Inc., Mountain View, CA;
This paper appears in: Communications Letters, IEEE
Publication Date: Aug 1999
Volume: 3,
Issue: 8
On page(s): 233-235
ISSN: 1089-7798
References Cited: 11
CODEN: ICLEF6
INSPEC Accession Number: 6341133
Digital Object Identifier: 10.1109/4234.781005
Current Version Published: 2002-08-06
Abstract
A technique is introduced that allows the blind and direct
estimation of an optimal, in the minimum mean-squared error sense,
linear multiuser receiver for direct-sequence code-division
multiple-access signals. We consider the case of an asynchronous
multiple access channel in the presence of possibly large
intersymbol-interference. Our approach does not require channel
estimation and uses the knowledge of the code for the user of interest
only, Unlike other comparable techniques, this method converges to the
true optimum receiver as the sample size increases, regardless of
signal-to-noise ratio
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