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    • D2D通信中基于保证蜂窝用户通信质量的功率分配算法

    Chunyan Han

    Computer Applications and Software（2015）

    Cited 2|Views4
    Abstract
    针对D2D通信与蜂窝通信复用频谱资源时会产生同频干扰的问题,提出一种基于保证蜂窝用户通信质量的功率分配算法.在保证蜂窝用户平均SINR和最小SINR双重约束的基础上,建立以最大化D2D链路平均吞吐量为目标的凸优化问题,并利用拉格朗日函数推导出最优功率分配的闭式解.仿真结果表明:该算法不仅可以保证蜂窝用户通信质量,而且也能最大限度地提高D2D链路以及整个系统的总吞吐量.
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    【要点】：提出一种基于保证蜂窝用户通信质量的功率分配算法，以解决D2D通信与蜂窝通信复用频谱资源时产生的同频干扰问题，同时最大化D2D链路平均吞吐量。
    

    【方法】：通过建立以最大化D2D链路平均吞吐量为目标的凸优化问题，并在保证蜂窝用户平均SINR和最小SINR双重约束的基础上，利用拉格朗日函数推导出最优功率分配的闭式解。
    

    【实验】：通过仿真实验验证了算法的有效性，具体数据集名称未提及，但实验结果表明该算法可以保证蜂窝用户通信质量并提高系统总吞吐量。