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Optimization of linear iterative interference-cancellation receivers for CDMA communications

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2 Author(s)
Albeanu, N. ; Celestica Int. Inc., Toronto, Ont., Canada ; Teng Joon Lim

Iterative methods to solve a linear equation system can be used to derive multistage interference cancellers (ICs) that converge to the decorrelating or the minimum mean-square error linear detectors. The link between linear multistage IC and iterative solution methods is well known; however, the parameters needed for fastest convergence are functions of the eigenvalues of the channel matrix. In this letter, we propose new methods for finding optimal parameters without eigendecomposition.

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Communications, IEEE Transactions on  (Volume:52 ,  Issue: 3 )