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In this paper, we propose a subcarrier and power allocation algorithm for multiple-input-multiple-output orthogonal-frequency-division-multiple-access (MIMO-OFD MA) systems with channel state information available at the transmitter. Fairness constraint is applied to limit the maximum and minimum number of subcarriers for all users. A Lagrange multiplier method is applied to solve the constrained...
This paper presents a balanced power control scheme for the uplink of cellular MIMO system. The problem of coordinating power consumption reduce with raise in capacity simultaneously is formulated and an efficient algorithm with good performance is derived. Convex optimization method is used to solve the question. In this paper, an adaptive power allocation scheme is proposed by using interior-point...
Maximizing the total mutual information of multiuser multiple-input multiple-output (MIMO) systems with interference is a challenging problem. In this paper, we consider the power control problem of finding the maximum sum of mutual information for a multiuser network with mutually interfered MIMO links. We propose a new and powerful global optimization method using a branch-and-bound (BB) framework,...
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