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A coordinated beamforming scheme in distributed antenna systems (DASs) used for energy efficient transmission is developed. In this paper, a dynamic circuit power consumption is considered which varies with the sum rate. The major problem is non-convex of the optimization problem and is difficult to solve directly due to the fractional form. It is transformed into an equivalent subtractive-form optimization...
In this paper, coordinated beamforming scheme in distributed antenna systems (DASs) used for energy efficient transmission is developed. The major problem is non-convex of the optimization problem and is difficult to solve directly due to the fractional form. It is transformed into an equivalent subtractive-form optimization problem, by which we tackle this problem through a two-layer optimization...
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