Linear parallel interference cancellation in long-code CDMA multiuser detection.

Parallel interference cancellation (PIC) is a promising detection technique for code division multiple access (CDMA) systems. It has previously been shown that the weighted multistage PIC can be seen as an implementation of the steepest descent algorithm used to minimize the mean squared error (MSE)...

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Publié dans:	IEEE Journal on selected areas in communications 17, 12 (1999).
Auteur principal:	Dongning Guo
Format:	Article
Langue:	English
Sujets:	MSE minimization. Averaged MSE. Cellular mobile communications. Code division multiple access. Correlation matrix. Detection technique. Dynamic system. Eigenvalues. Exact expressions. Linear complexity. Linear parallel interference cancellation. Long-code CDMA multiuser detection. Mean squared error. Near-MMSE performance. On-line weight updating. Short-code system. Simulation results. Steepest descent algorithm. Time-invariant weights. Time-varying weights. Uplink model. Weighted multistage PIC.