针对无线网络中节点能量的局限性,提出了一种网络吞吐量最大化的二维无线能量传输优化算法。根据各节点捕获能量的时域分布,依次从节点维度和时间维度进行节点间的能量分配和传输。根据两节点间的高斯双工信道模型,建立基于能量传输的网络吞吐量模型。引入节点维度和时间维度的能量传输效率,建立了能量传输解析模型,并提出二维无线能量传输算法,实现了网络吞吐量最大化。实验结果表明,该算法能有效地优化网络节点能量分配,提高网络的总吞吐量。
A bi-dimensional wireless energy transfer optimization algorithm for maximum network throughput was proposed to overcome the limited energy of each node in wireless network.Due to the inequality of energy distribution of each node,some energy is transferred successively in node dimension and time dimension to optimize the energy allocation among wireless nodes.Network throughput model was presented by integrating the Gaussian two-way communication model of two wireless nodes and wireless energy transfer.To obtain the maximum network throughout,an analytical energy transfer model was also presented by introducing the energy transfer efficiency of node dimension and time dimension,and a bi-dimensional energy transfer mechanism was proposed based on the model analysis.Experimental results demonstrate that the proposed mechanism can effectively optimize the energy distribution among wireless nodes,and maximize the total network throughput.