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基于功率成本的中继系统最优功率分配

DOI: 10.13190/jbupt.201006.21.157, PP. 21-24

Keywords: 功率分配,功率价格,功率成本,再生中继,中断概率

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Abstract:

为了降低移动通信网络的功率成本,依据不同的供电方式所确定的不同功率价格,提出了以功率成本为约束条件,以最小中断概率为优化目标的中继系统最优功率分配方法.主要采用拉格朗日乘子法求解功率分配结果.仿真结果表明,当各节点功率价格不同时,基于功率成本的最优功率分配与不考虑功率价格的最优功率分配相比,在中断概率相同的条件下,功率成本较小;当各节点的功率价格相差较大时,对比效果更加明显.

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