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中文摘要：
在保证系统QoS前提下,为了降低Two-Way中继系统的总功率开销,提出了一种基于最小化总功率的优化功率分配策略。首先对Two-Way中继系统中断概率的闭合表达式进行了推导;在系统中断概率等于某一恒定值的条件下,建立了最小化系统总功率的优化模型。通过拉格朗日乘数法对优化模型进行了求解。仿真结果证明了此策略能降低系统总功率开销。
英文摘要：
In order to decrease the total power expenditure under a promised QoS in Two-Way relay system,this paper proposed an optimal power allocation scheme based on minimizing total power expenditure.First derived the close form of outage probability in Two-Way relay system.Then established an optimal model to minimize the total power expenditure under the condition that the outage probability was a constant.Solved the optimal model by Lagrange multiplier method.Simultation result shows the proposed strategy can achieve the purpose of minimizing total power expenditure.
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同项目期刊论文
Game-theoretic approach for pricing strategy and network selection in heterogeneous wireless network
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