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首页> 外文期刊>IEEE Transactions on Vehicular Technology >An integrated adaptive bandwidth-management framework for QoS-sensitive multimedia cellular networks
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An integrated adaptive bandwidth-management framework for QoS-sensitive multimedia cellular networks

机译:QoS敏感的多媒体蜂窝网络的集成自适应带宽管理框架

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摘要

Bandwidth is an extremely valuable and scarce resource in a wireless network. Therefore, efficient bandwidth management is necessary in order to provide high-quality service to users in a multimedia wireless/mobile network. In this paper, we propose new online bandwidth-management algorithms for bandwidth reservation, call admission, bandwidth migration, and call-preemption strategies. These techniques are combined in an integrated framework that is able to balance the traffic load among cells accommodating heterogeneous multimedia services while ensuring efficient bandwidth utilization. In addition, our online framework to adaptively control bandwidth is a cell-oriented approach that has low complexity, which makes it practical for real cellular networks. Simulation results indicate the superior performance of our bandwidth-management framework to strike the appropriate performance balance between contradictory quality-of-service requirements.
机译:带宽是无线网络中极为宝贵且稀缺的资源。因此,为了向多媒体无线/移动网络中的用户提供高质量的服务,有效的带宽管理是必要的。在本文中,我们提出了新的在线带宽管理算法,用于带宽预留,呼叫接纳,带宽迁移和呼叫抢占策略。这些技术组合在一个集成的框架中,该框架能够在容纳异构多媒体服务的小区之间平衡流量负载,同时确保有效的带宽利用率。此外,我们用于自适应控制带宽的在线框架是一种面向小区的方法,具有较低的复杂性,这使其在实际的蜂窝网络中很实用。仿真结果表明,我们的带宽管理框架具有出色的性能,可以在相互矛盾的服务质量要求之间实现适当的性能平衡。

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