Transmitter Optimization for the Multi-Antenna Downlink With Per-Antenna Power Constraints
IEEE Transactions on Signal Processing
Sum power iterative water-filling for multi-antenna Gaussian broadcast channels
IEEE Transactions on Information Theory
A close-to-capacity dirty paper coding scheme
IEEE Transactions on Information Theory
The Capacity Region of the Gaussian Multiple-Input Multiple-Output Broadcast Channel
IEEE Transactions on Information Theory
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In wireless communications, efficient power and interference control is critical to provide high-quality service. In this paper, we consider a downlink multi-user MIM0 (multiple-input multiple-output) assuming that a transmitter has a peak power constraint and DTC (dirty tape coding) is implemented. A DTC scheme is used for cancelling interference. At each antenna of the transmitter, a summed signal of multiple users is transmitted. We design an optimal transmission scheme for this scenario by minimizing the peak transmission power.