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Enhanced signaling scheme with admission control in the hybrid optical wireless (HOW) networks

机译:在混合光学无线(HOW)网络中具有准入控制的增强信令方案

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摘要

The hybrid optical wireless (HOW) network has been viewed as a promising solution to meet the increasing user bandwidth and mobility demands. Due to the basic differences in the optical and wireless technologies, a challenging problem lies in the Media Access Control (MAC) protocol design so that it can support stringent Quality of Service (QoS) requirements. In this paper, we describe and evaluate a resource management framework designed for the HOW networks. There are two parts in the resource management framework The first part is the Enhanced MPCP (E-MPCP) scheme aiming at improving signaling ability between the optical and wireless networks. The second part is an Integrated Optical Wireless Admission Control (IOW-AC) scheme aiming at providing the integrated bandwidth allocation in the HOW networks. Our results show that the performances of the system in terms of throughput, delay and packet dropping probability depend on several factors. These factors include the frame duration, the traffic load and the total number of shared users. The results also highlight that our proposed system achieves significant improvements over the traditional approach in terms of user QoS guarantee and network resource utilization.
机译:混合光无线(HOW)网络已被视为满足不断增长的用户带宽和移动性需求的有前途的解决方案。由于光学和无线技术的基本差异,一个具有挑战性的问题在于媒体访问控制(MAC)协议设计,以便它可以支持严格的服务质量(QoS)要求。在本文中,我们描述和评估了为HOW网络设计的资源管理框架。资源管理框架分为两部分。第一部分是增强型MPCP(E-MPCP)方案,旨在提高光网络与无线网络之间的信令能力。第二部分是旨在在HOW网络中提供集成带宽分配的集成光学无线准入控制(IOW-AC)方案。我们的结果表明,系统在吞吐量,延迟和丢包概率方面的性能取决于几个因素。这些因素包括帧持续时间,流量负载和共享用户总数。结果还突出表明,我们提出的系统在用户QoS保证和网络资源利用率方面比传统方法有了重大改进。

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