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- W2149758100 abstract "In this paper, we compare two classes of linear interference suppression techniques for downlink TDD-CDMA systems, namely, linear multiuser detection methods (receiver processing) and linear precoding methods (transmitter processing). For the linear precoding schemes, we assume that the channel state information (CSI) is available only at the transmitter but not at the receiver. We propose several precoding techniques and the corresponding power control algorithms. The performance metric used in the comparisons is the total power required at the transmitter to achieve certain QoS at the receiver. Our results reveal that in general multiuser detection and precoding offer similar performance; but in certain scenarios, precoding can bring a substantial performance improvement. These results motivate the use of precoding techniques to reduce the complexity of the mobile terminals (only a matched-filter to the own spreading sequence is required without CSI)." @default.
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- W2149758100 date "2005-09-12" @default.
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- W2149758100 title "Linear precoding versus linear multiuser detection in the downlink of TDD-CDMA systems" @default.
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- W2149758100 doi "https://doi.org/10.1109/spawc.2005.1506267" @default.
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