多基站系统的和逆能量效率最小化
Minimization of Sum Inverse Energy Efficiency for Multiple Base Station Systems
摘要:
解决了一个和逆能量效率(SIEE)最小化问题。与传统的能量效率最大化问题相比,最小化SIEE具有更好的公平性。本文首先提出了一个框架,解决和分数最小化(SFMin)问题,然后使用一种新的变换来解决SIEE最小化问题的多基站(BS)系统。在转化为多凸问题后,利用交替方向乘子法(ADMM)进一步简化问题。数值结果证实了变换的效率和公平性的改善SIEE最小化。仿真结果表明,该算法收敛速度快,ADMM方法是有效的。
英文摘要:
A sum inverse energy efficiency (SIEE) minimization problem is solved. Compared with conventional sum energy efficiency (EE) maximization problems, minimizing SIEE achieves a better fairness. The paper begins by proposing a framework for solving sum-fraction minimization (SFMin) problems, then uses a novel transform to solve the SIEE minimization problem in a multiple base station (BS) system. After the reformulation into a multi-convex problem, the alternating direction method of multipliers (ADMM) is used to further simplify the problem. Numerical results confirm the efficiency of the transform and the fairness improvement of the SIEE minimization. Simulation results show that the algorithm convergences fast and the ADMM method is efficient.
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