摘要
为提高边缘用户的吞吐量和用户间的公平性,提出了边缘用户优先比例公平算法。算法思想是让某些成分载波上的RBs以概率a分配给边缘用户,以概率1-a分配给中心用户,分配后再使用传统的比例公平算法进行调度;而其他成分载波上的RBs直接使用传统的比例公平算法进行调度。仿真表明,该算法可以较好地提高边缘用户的吞吐量和用户间的公平性,并且可以通过控制a的大小来调节边缘用户吞吐量和用户间的公平性。
In order to improve the cell edge users throughput and fairness between all users,this paper proposed a cell edge user prior proportional fair algorithm.The subject of this algorithm was to allocate the RBs(resource blocks) of some component carriers to the cell edge users and cell center users with probability a and 1-a respectively.After the allocation,it scheduled RBs by originally proportional fair algorithm.While the RBs of the other component carriers were scheduled by ori-ginally proportional fair algorithm directly.Simulation results indicate that this algorithm can fairly improve the cell edge users throughput and fairness between all users.In addition,it can adjust the cell edge users throughput and fairness between all users through controlling the size of a.
出处
《计算机应用研究》
CSCD
北大核心
2012年第3期1032-1034,1037,共4页
Application Research of Computers
基金
国家自然科学基金资助项目(60972068)
重庆市教委科学技术研究项目(KJ100517)