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首页> 外文期刊>International Journal of Embedded Systems >A distributed resource conservation multicast and spectrum allocation algorithm in cognitive wireless mesh networks
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A distributed resource conservation multicast and spectrum allocation algorithm in cognitive wireless mesh networks

机译：认知无线网状网络中的分布式资源保护组播和频谱分配算法

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摘要

A resource conservation wireless links weights computing function and computing algorithm (RCWC) are proposed. On this basis, a resource conservation joint multicast routing and spectrum allocation algorithm with QoS constraints in cognitive wireless mesh networks (RCDMSA) is proposed. Minimising the resource consumption of multicast tree is the objective of RCDMSA under the QoS constraints. Firstly, RCDMSA computes wireless links weights using RCWC algorithm. Secondly, RCDMSA constructs the resource conservation broadcast tree which contains source nodes and destination nodes using RCBT algorithm. Thirdly, the resource conservation multicast tree is pruned from the resource conservation broadcast tree. Simulation results show that RCDMSA algorithm can minimise the resource consumption of multicast tree, reduce overall network resource usage and increase network efficiency.
机译：提出了一种资源节约的无线链路权重计算功能和计算算法。在此基础上，提出了一种认知无线网状网络（RCDMSA）中具有QoS约束的资源节约联合组播路由和频谱分配算法。在QoS约束下，最小化多播树的资源消耗是RCDMSA的目标。首先，RCDMSA使用RCWC算法计算无线链路权重。其次，RCDMSA使用RCBT算法构建了包含源节点和目的节点的资源节约广播树。第三，从资源节约广播树中删除资源节约组播树。仿真结果表明，RCDMSA算法可以最大程度地减少组播树的资源消耗，减少整体网络资源的使用，提高网络效率。

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