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Suboptimal MMSE multiuser receiver design for DS-CDMA multirate systems using spectral correlations

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2 Author(s)
Barua, S. ; Dept. of Electron. Eng., Univ. of Electro-Commun., Tokyo, Japan ; Hashimoto, T.

A new expression for the MMSE (minimum mean-square error) linear receiver is derived in this article for a multirate system using spectral correlation between cycle frequencies and, based it, propose a new design method for the "best" suboptimal linear receiver which requires only the knowledge of bit rates in the system. Computer simulation reveals that it is an efficient design method.

Published in:

Information Theory, 2003. Proceedings. IEEE International Symposium on

Date of Conference:

29 June-4 July 2003