计算机科学 ›› 2023, Vol. 50 ›› Issue (11A): 221000240-8.doi: 10.11896/jsjkx.221000240
薛建彬, 安娜, 王琪, 张寒
XUE Jianbin, AN Na, WANG Qi, ZHANG Han
摘要： 在移动边缘计算(MEC)与非正交多址接入(NOMA)技术相结合的应急通信场景中,针对用户自身电池电量受限所导致的无法满足用户业务需求的问题,提出了一个以最小化用户总能耗为目标的无人机辅助NOMA-MEC应急通信系统,设计了一种低复杂度的联合任务卸载比例和传输功率分配迭代算法(JTORATPAIA)。仿真结果表明,与其他基准方案相比,该方案更有效地降低了所有用户的能耗。特别是当输入数据大小为7.5Mbits时,本文所提方案下的能耗与文献[30]相比降低了约40%左右。可见,该方案对于改善应急通信场景下的用户能耗是非常适用的。
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