The pursuit of high data rate and assurance of quality of experience(QoE) for end users represent the main goals of future wireless communication systems.By introducing MOS(Mean Opinion Score) based assessment models ...The pursuit of high data rate and assurance of quality of experience(QoE) for end users represent the main goals of future wireless communication systems.By introducing MOS(Mean Opinion Score) based assessment models for different types of applications,this paper proposed novel QoE-oriented radio resource allocation(RRA) algorithms for multiuser-multiservice femtocell networks.An optimal QoE-oriented RRA strategy is first analyzed using time-sharing method which is applicable to best effort applications.RRA algorithms based on the cross-layer architecture are then proposed for all types of applications by considering parameters extracted from different layers of networking protocols.In the proposed algorithms,a priority mechanism is employed to ensure fairness.Simulation results show that the proposed algorithms can significantly improve the overall perceived quality from the users' perspective in comparison with traditional Quality of Service(QoS)oriented algorithms.展开更多
人力资源开发的过程可以提高知识生产力,即提高组织在产品、流程和服务中产生知识、传播知识和应用知识的能力。给出知识型人力资源开发KHRD(Knowledge-enabled Human Resource Development)的定义,认为KHRD是通过知识管理的方法和工具...人力资源开发的过程可以提高知识生产力,即提高组织在产品、流程和服务中产生知识、传播知识和应用知识的能力。给出知识型人力资源开发KHRD(Knowledge-enabled Human Resource Development)的定义,认为KHRD是通过知识管理的方法和工具,挖掘人力资源潜力,通过人力资源开发流程的优化,创造智力资本价值。指出e-HR将带给知识型人力资源开发一种新的工作方法和思维模式,着重探讨如何进行基于e-HR的知识型人力资源开发活动,并给出基于e-HR的知识型人力资源开发的知识框架、理论模型和实施路径。展开更多
基金supported in part by the National Nature Science Foundation of China under Grant 61372117the 863 project under grant No.2014AA01A701the National Key Technology Support Program under grant No.2012BAH41F03
文摘The pursuit of high data rate and assurance of quality of experience(QoE) for end users represent the main goals of future wireless communication systems.By introducing MOS(Mean Opinion Score) based assessment models for different types of applications,this paper proposed novel QoE-oriented radio resource allocation(RRA) algorithms for multiuser-multiservice femtocell networks.An optimal QoE-oriented RRA strategy is first analyzed using time-sharing method which is applicable to best effort applications.RRA algorithms based on the cross-layer architecture are then proposed for all types of applications by considering parameters extracted from different layers of networking protocols.In the proposed algorithms,a priority mechanism is employed to ensure fairness.Simulation results show that the proposed algorithms can significantly improve the overall perceived quality from the users' perspective in comparison with traditional Quality of Service(QoS)oriented algorithms.
文摘人力资源开发的过程可以提高知识生产力,即提高组织在产品、流程和服务中产生知识、传播知识和应用知识的能力。给出知识型人力资源开发KHRD(Knowledge-enabled Human Resource Development)的定义,认为KHRD是通过知识管理的方法和工具,挖掘人力资源潜力,通过人力资源开发流程的优化,创造智力资本价值。指出e-HR将带给知识型人力资源开发一种新的工作方法和思维模式,着重探讨如何进行基于e-HR的知识型人力资源开发活动,并给出基于e-HR的知识型人力资源开发的知识框架、理论模型和实施路径。