计算机科学 ›› 2018, Vol. 45 ›› Issue (11): 82-86.doi: 10.11896／j.issn.1002-137X.2018.11.011
王艳丽1, 阴国富1, 金蓉2
WANG Yan-li1, YIN Guo-fu1, JIN Rong2
摘要： 针对无线传感器网络能量严格受限和节点间能量不均衡的问题,建立无线信息和功率同时传输的协作MIMO通信模型;针对如何获取系统的最佳能量效率的问题,提出一种新的有效资源分配算法。仿真分析和原型实验结果表明,新的有效资源分配算法在迭代次数达到12时收敛,能量效率随发射功率额度的增加而迅速增加,当最大发射功率额度达到3dBm时能量效率趋向平稳;与SISO传输的能耗相比,采用协作MIMO信息和功率同时传输的技术能节省1个以上的能量级,并能得到较高的网络效用。
中图分类号:
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