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The sum power minimization with per MS rate constraint problem in multiple-input multiple-output (MIMO) multiple access channels (MACs) is considered in this paper. The problem can be transformed into a series of convex weighted sum rate problems and iteratively solved by standard solvers. However, even with the efficient interior-point method in the latest solver, the computational effort to solve...
The sum power minimization (SPmin) subject to per user rate constraint problem in the multiple access channel (MAC) of a multiple-input multiple-output (MIMO) multicarrier system is investigated. The SPmin can be transformed into a series convex problems and solved iteratively. The conventional solutions requires a large number of iterations. Furthermore, though in each iteration the optimality can...
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