eMBB场景下一种基于分类集的5G公平性调度算法

Considering Classified Sets and Fairness Guaranteed 5G Scheduling Algorithm for eMBB

为了控制业务时延,提出了时延开关量的概念,利用时延开关量可以紧急提升业务的调度优先级。结合业务的开展情况,对于屡次被遗忘调度的业务,利用轮空集的方式来加强调度。对于目标业务速率要求很低的业务将其纳入尽力而为集中并实施尽力而为服务。在剩余的业务集中,高于理想速率的业务采取轮循调度,低于平均速率的业务实施最优先的调度,超过平均速率但低于理想速率的业务通过步进的方式来提升其调度等级。基于以上模型,提出了eMBB场景下能够兼顾时延的一种5G调度算法CSFSM。最后采用Matlab对CSFSM算法进行了仿真验证。结果表明,在系统吞吐量、时延以及公平性的综合考量上,该算法有着很好的优越性。

In order to control the service time delay,it proposes the concept of delay on-off variable.Using this concept,it can improve the related services’scheduling priorities on emergency.Combined with the development of the services,it uses a blank set to strengthen their schedule for those often forgotten services,and provides the best effort services for the subscribers’with lowest velocity requests.Among the residue service sets,the highest priority is given to the subscribers with velocities below the average level,RR scheduling is arranged to those with velocities above the average level,and for the services that exceed the average rate but are lower than the ideal ratea,it improves their scheduling level by stepping.Based on the above model,a 5G scheduling algorithm CSFSM that can take into account the delay in the eMBB scenario is proposed.At last,the Matlab is adopted to verify CSFSM performance.The results show that CSFSM has the relatively better performance in the comprehensive consideration of system throughput,delay and fairness.