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In this paper, an iterative algorithm for decentralized beamforming with internal penalty function is proposed. This algorithm utilizes the property that a stationary point corresponding to local maximum of the objective function is found when gradient is zero. The convergence of the proposed algorithm is proved. The simulation results show that the proposed algorithm is more robust against intra-cell...
In this letter, we propose a low-complexity transceiver design for multiple-input multiple-output (MIMO) broadcast systems based on channel inversion, QR decomposition, and successive interference cancellation technique. Furthermore, an effective power loading scheme is developed to optimize the bit error rate (BER) performance. Analytical and simulation results show that the proposed design can achieve...
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