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In this paper, we study the sum-rate maximization problem in a single-cell massive MIMO downlink system with К users. Unlike the conventional sum-power constraint (SPC) that limits the total average power over all the transmit antennas, the more practical per-antenna power constraint (PAPC) is considered. A precoding scheme based on the principle of equal gain transmission (EGT) is proposed to satisfy...
Block diagonalization (BD) is a practically favorable precoding technique that eliminates the interuser interference in downlink multiuser multiple-input multiple-output (MIMO) systems. In this paper, we apply BD to the downlink transmission in a cooperative multi-cell system, where the signals from different base stations (BSs) to all the mobile stations (MSs) are jointly designed with the perfect...
Block diagonalization (BD) is a practical linear precoding technique that eliminates the inter-user interference in downlink multiuser multiple-input multiple-output (MIMO) systems. In this paper, we apply BD to the downlink transmission in a cooperative multi-cell MIMO system, where the signals from different base stations (BSs) to all the mobile stations (MSs) are jointly designed with the perfect...
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