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Cooperative radio resource management framework for future IP-based multiple radio access technologies environment

机译:未来基于IP的多无线电接入技术环境的合作无线电资源管理框架

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Heterogeneity and convergence are two distinctive connotations of future wireless networks emanated from International Telecommunications Union (ITU)'s vision of Optimally Connected. Anywhere. Anytime. Multiple access networks, multiple terminals and multiple services are expected to converge in a manner where heterogeneity can be exploited to realize this ultimate goal. This raises the importance of radio resource management (RRM) for a multiple radio access technologies (multi-RAT) environment, where coalitions of heterogeneous access networks are each connected to a common Internet Protocol (IP)-based core network. In this article, we develop a cooperative RRM framework for future IP-based multi-RAT environment to coordinate better utilization of radio resources in an opportunistic yet altruistic manner. We motivate the importance of cooperation which can exploit heterogeneity as an enabler to improve system capacity and quality of service (QoS) of users. We exemplify the proof of concept based on a heterogeneous multiple access points (multi-AP) wireless local area network (WLAN) and argue that our technology agnostic approach is readily applicable to future IP-based multi-RAT environment. We demonstrate that our cooperative RRM framework benefits from the unified actions of joint optimization and results in a QpS-balanced system by enabling different functional entities to form synergies and multiple access networks to interact. We further show that a QpS-balanced system has salient traits of providing statistical QoS guarantee to support demanding multimedia applications while maximizing overall system capacity. Consequently, we advocate the notion of QoS balancing as criterion to quantify the state of balance in future IP-based multi-RAT environment.
机译:异构性和融合性是国际电信联盟(ITU)的“最佳连接”愿景所产生的未来无线网络的两个独特含义。任何地方。任何时候。期望多接入网,多个终端和多种服务以可以利用异构性来实现该最终目标的方式融合。这提高了无线资源管理(RRM)对于多无线接入技术(multi-RAT)环境的重要性,在该环境中,异构接入网络的联盟各自连接到基于公用Internet协议(IP)的核心网络。在本文中,我们为未来的基于IP的多RAT环境开发了一个协作RRM框架,以机会主义但利他的方式协调无线电资源的更好利用。我们激发了合作的重要性,这种合作可以利用异构性来提高系统容量和用户服务质量(QoS)。我们举例说明了基于异构多访问点(multi-AP)无线局域网(WLAN)的概念证明,并认为我们的技术不可知论方法很容易应用于未来基于IP的multi-RAT环境。我们证明了我们的合作RRM框架受益于联合优化的统一行动,并通过使不同的功能实体形成协同作用和多个访问网络进行交互,从而实现了QpS平衡的系统。我们进一步证明,QpS平衡系统具有显着特征,即提供统计QoS保证,以支持要求苛刻的多媒体应用,同时最大程度地提高整体系统容量。因此,我们提倡以QoS平衡的概念作为量化未来基于IP的多RAT环境中的平衡状态的标准。

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