以降低大规模网络架构下音视频桥接(audio video bridging,AVB)流量调度的端到端时延为目标,提出了一种时间敏感网络(time sensitive networking,TSN)和AVB联合的路由调度算法TSN-AVB.该算法将AVB流量的调度问题转化为无等待约束的作业...以降低大规模网络架构下音视频桥接(audio video bridging,AVB)流量调度的端到端时延为目标,提出了一种时间敏感网络(time sensitive networking,TSN)和AVB联合的路由调度算法TSN-AVB.该算法将AVB流量的调度问题转化为无等待约束的作业车间调度问题.通过融合模拟退火和禁忌搜索这2种启发式算法,搜索近似最优的调度方案;采用k条最短路径(k-shortest path,KSP)算法寻找实现负载均衡的路由策略.在综合考虑流量负载后选择最优链路进行数据传输.试验结果表明:对比传统时序KSP算法,联合路由算法在终端数从100增加到400时,缩短了完成流量传输所需的时间约11%;在流量条数从20增加到200时,缩短了完成流量传输所需的时间约10%.该联合路由调度算法可在大规模TSN架构下,有效降低AVB流量的端到端传输时延,并显著提升了整体网络的性能.展开更多
In this paper,we study the existence of least energy solutions for the following nonlinear fractional Schrodinger–Poisson system{(−∆)^(s)u+V(x)u+φu=f(u)in R^(3),(−∆)^(t)φ=u^(2)in R^(3),where s∈(3/4,1),t∈(0,1).Und...In this paper,we study the existence of least energy solutions for the following nonlinear fractional Schrodinger–Poisson system{(−∆)^(s)u+V(x)u+φu=f(u)in R^(3),(−∆)^(t)φ=u^(2)in R^(3),where s∈(3/4,1),t∈(0,1).Under some assumptions on V(x)and f,using Nehari–Pohozaev identity and the arguments of Brezis–Nirenberg,the monotonic trick and global compactness lemma,we prove the existence of a nontrivial least energy solution.展开更多
基金Supported by NSFC(No.12561023)partly by the Provincial Natural Science Foundation of Jiangxi,China(Nos.20232BAB201001,20202BAB211004)。
文摘In this paper,we study the existence of least energy solutions for the following nonlinear fractional Schrodinger–Poisson system{(−∆)^(s)u+V(x)u+φu=f(u)in R^(3),(−∆)^(t)φ=u^(2)in R^(3),where s∈(3/4,1),t∈(0,1).Under some assumptions on V(x)and f,using Nehari–Pohozaev identity and the arguments of Brezis–Nirenberg,the monotonic trick and global compactness lemma,we prove the existence of a nontrivial least energy solution.
