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MANET中基于弹性QoS的多优先级业务接纳控制策略 被引量：1

Admission Control Strategy for Multi-priority Traffic in MANET Based on Flexible QoS
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摘要 针对无线多媒体业务的优先级区分和动态带宽需求特性,提出Ad Hoc网络中一种以动态资源分配与优化为基础的弹性接纳控制策略.通过设计新的带宽调整准则、路径可用带宽计算方法和满足动态资源需求的QoS路由协议,支持该策略在多跳网络环境下的实施.仿真结果表明,对比传统的接纳控制算法,所提策略具有更高的接纳能力、更低的新连接阻塞率和切换连接掉线率,同时还对不同优先级业务表现出不同的区分服务特性,可以更好地实现对资源的共享、均衡和利用. To conform to the property of priority differentiation and meet the dynamic resource requirement for multimedia traffics,a dynamic resource allocation and optimization strategy based flexible admission control is presented.A new bandwidth adjustment rule,a path bandwidth calculation algorithm and a QoS routing protocol that meets dynamic resource requirements are designed to support applications of the scheme in the multi-hop network environments.Simulation results show that the proposed scheme has low probabilities of new connection blocking and handoff connection dropping,and more traffic flows can be admitted.It supports differentiated services for flows with different priorities,and thus can achieve better share,balance and utilization for wireless resources as compared to conventional ones.
作者 刘超 胡爱群
机构地区 东南大学信息科学与工程学院
出处 《应用科学学报》 EI CAS CSCD 北大核心 2010年第3期221-228,共8页 Journal of Applied Sciences
基金 国家“863”高技术研究发展计划基金(No.2009AA01Z427)资助
关键词 AD HOC 接纳控制 服务质量 优先级 Ad Hoc admission control quality-of-service（QoS） priority
分类号 TN915.2 [电子电信—通信与信息系统]
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参考文献11

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共引文献9

同被引文献12

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