计算机科学 ›› 2017, Vol. 44 ›› Issue (7): 98-103.doi: 10.11896/j.issn.1002-137X.2017.07.018
杨大禹,李敬兆,任萍
YANG Da-yu, LI Jing-zhao and REN Ping
摘要： 为了减轻D2D用户在通信过程中的相互干扰,提高整个蜂窝系统的吞吐量,根据D2D用户数目、信道状况和系统吞吐量的限制需求,分析干扰噪声模型约束下多用户发射功率的控制问题。通过引入玻尔兹曼常数等参数对干扰模型进行条件约束,最终得到基于效用下系统的平均发射功率和最大和速率,进而给出基于反向迭代组合算法的多用户合作博弈功率控制分配方案。仿真结果表明,该算法满足了多用户共享蜂窝网络频谱资源下的功率分配需求,终端用户发射功率经过多次反向迭代后达到纳什均衡,系统的吞吐量显著提高,频谱资源达到了较好的均衡收益。
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