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首页> 外文期刊>Wireless Sensor Systems, IET >Core network supported multicast routing protocol for wireless sensor networks
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Core network supported multicast routing protocol for wireless sensor networks

机译：支持核心网络的无线传感器网络多播路由协议

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摘要

Multicast routing protocols improve the network performance by optimising the parameters such as bandwidth, channel utilisation and throughput rate. In wireless sensor network, the primary multicast routing protocol is geographic multicast routing. This study proposes core network supported multicast routing (CNSMR) protocol, a stateful-based distributed multicast routing protocol for sensor networks. The proposed protocol comprises of heterogeneous nodes such as cluster head (CH) nodes, core nodes (CNs) and sensor nodes (SNs). The distinct set of nodes known as CNs have computing, storage and energy resources more than the SNs. CH nodes and CNs form the core network, and CNs with core network and SNs form the core network supported multicast tree. SNs participate in multicast routing supported by the core network and thus save the node energy. Multicast routing in the proposed core network supported multicast trees balance the load in the network and improve the network performance as compared to the existing WSN multicast routing protocols. The proposed CNSMR protocol is compared with the existing WSN multicast routing protocols such as DCME-MR, Intelligent-MR, H-GMR and OnDemand-MR. Simulation results indicate improvements in delay latency, energy save ratio, throughput rate, end-to-end packet delay, multicast control overhead ratio and packet delivery ratio for the proposed protocol.
机译：组播路由协议通过优化诸如带宽，信道利用率和吞吐率之类的参数来提高网络性能。在无线传感器网络中，主要的多播路由协议是地理多播路由。这项研究提出了核心网络支持的多播路由协议（CNSMR），这是一种基于状态的传感器网络分布式多播路由协议。所提出的协议包括异构节点，例如簇头（CH）节点，核心节点（CN）和传感器节点（SN）。与SN相比，称为CN的独特节点集具有更多的计算，存储和能源资源。 CH节点和CN组成核心网络，带有核心网络和SN的CN组成核心网络支持的组播树。 SN参与核心网支持的组播路由，从而节省了节点能量。与现有的WSN多播路由协议相比，所建议的核心网络支持的多播树中的多播路由可平衡网络中的负载并提高网络性能。将提出的CNSMR协议与现有的WSN多播路由协议（如DCME-MR，Intelligent-MR，H-GMR和OnDemand-MR）进行比较。仿真结果表明，该协议在延迟等待时间，节能率，吞吐率，端到端分组延迟，多播控制开销率和分组传递率方面都有改进。

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