计算机科学 ›› 2018, Vol. 45 ›› Issue (6A): 332-336.
池凯凯,徐欣晨,魏欣晨
CHI Kai-kai,XU Xin-chen,WEI Xin-chen
摘要: 在射频能量捕获无线传感网(Radio Frequency Energy Harvesting Wireless Sensor Networks,RFEH-WSNs)中,基站(即汇聚节点)不仅具有较高的成本,而且其部署位置很大程度地决定了节点的可达吞吐量。文中研究RFEH-WSNs中满足节点吞吐量需求的基站最少化部署问题。首先,将该问题建模为优化问题,以深入理解该问题的本质;然后,提出一种低复杂度的启发式部署算法和一种复杂度略高的基于遗传算法的部署算法。仿真结果表明,这两种算法能找出基站数目较少的可行部署方案。相比于启发式基站部署算法,基于遗传算法的基站部署算法能得到部署基站更少的方案,但计算复杂度略高,适用于规模较小的RFEH-WSNs。
中图分类号:
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