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Orthogonal multiuser detection

delete2002-02-01
delete13
PRE
AI
Y
Yonina C. Eldar *
A
Alan V. Oppenheim
DOI：10.1016/S0165-1684(01)00192-Xdelete
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Abstract

Abstract

En 中文
In this paper we propose a new linear multiuser detector for synchronous CDMA systems. Specifically, the received signal is demodulated using an orthogonal multiuser (OW) receiver that is matched to a set of orthogonal vectors that are closest in a least-squares sense to the signature vectors. We show that this approach is equivalent to optimally whitening the noise component in the output of the decorrelator prior to detection. We provide simulation results suggesting that in many cases the OMU detector outperforms the matched filter detector and the decorrelator. (C) 2002 Elsevier Science B,V. All rights reserved.
Keywords:
multiuser detection
least squares
whitening
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Journal

Signal Processing cover
Signal Processing
IF:
3.6
Papers:
9.9K
Citations:
1.7W

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