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- W2134215781 abstract "A technique is presented to reduce the multiple-access interference in the forward link of a direct-sequence code-division multiple-access system. For each symbol period, an energy-constrained nonlinear transformation is applied at the transmitter output to minimize the mean-squared error at the receiver, subject to a constraint on the peak transmitted energy. The proposed algorithm can be implemented with existing optimization techniques that solve the quadratic trust-region problem. It is shown that in the presence of forward error-correction codes, the proposed method results in a significant gain over earlier known techniques at the cost of a modest increase in computational complexity at the base station. Another advantage of the proposed precoder is that it caps the peak energy (while earlier methods cap the average energy), requiring less sophisticated power amplifiers." @default.
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- W2134215781 date "2006-01-01" @default.
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- W2134215781 title "An optimized transmitter precoding scheme for synchronous DS-CDMA" @default.
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- W2134215781 doi "https://doi.org/10.1109/tcomm.2005.861691" @default.
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