考虑了卫星Internet拓扑变化的可预测性和组播应用的服务质量QoS(quality of service)需求,设计了一种QoS组播路由机制.给出了卫星Internet中QoS组播路由问题模型及其数学描述,引入拉格朗日松弛,设定适应度函数,使用PRIM算法,基于次梯度优化,寻找生存周期最大化的QoS组播路由树.基于NS2进行了仿真实现和性能评价.仿真结果表明,同传统的组播路由机制相比,该机制是可行和有效的,提高了QoS组播路由树生存周期,具有良好的性能.
The paper studies transformer optimal design,establishes optimal transformer model based on total owning cost....
Shuang Zhang is with the Software College,Northeastern University,110004,China Qinghe Hu,Xingwei Wang and Dingwei Wang are with the Information Science and Engineering College,Northeastern University,110004,China
<正>With the development of the high-frequency and large-scale commodity,fourth party logistics (4PL) has been ...
Yan Cui~(1,2),Min Huang~(1,2),Xingwei Wang~1 1.College of Information Science and Engineering,Northeastern University.Shenyang,Liaoning,110004,China 2.Key Laboratory of Integrated Automation of Process Industry(Mortheastern University),Ministry of Education,Shenyang, Liaoning,110004,China
From the beginning of the 21century, fourth party logistics(4PL)has been attracting more and more attention in...
Yan Cui~(1,2)Min Huang~(1,2)Xingwei Wang~1 1.College of Information Science and Engineering,Northeastern University,Shenyang,Liaoning,110004,China 2.Key Laboratory of Integrated Automation of Process Industry(Northeastern University),Ministry of Education, Shenyang,Liaoning,110004,China