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Clustered QoS Routing Protocol Based on Traffic Classification and Cost Expectation in Wireless Sensor Network

机译:无线传感器网络中基于流量分类和成本期望的集群QoS路由协议

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摘要

Quality of Service (QoS) is one of research hotspots in WSN, in which routing protocol plays a key role. On the basis of analyzing the existing QoS routing protocols, a clustered routing protocol based on traffic classification and cost expectation (CRPBCC) is proposed. In CRPBCC, packets are classified into ordinary packets and the important ones. Nodes form clusters and data fusion is carried out by cluster heads. Different data packets select the best route according to different cost expectations and queuing mechanisms. Besides, the congestion feedback mechanism is applied in CRPBCC protocol. Simulation results show that CRPBCC can effectively prolong the network lifetime, increase the packets delivery ratio and realize rapid and reliable transmission of important packets.
机译:服务质量(QoS)是WSN的研究热点之一,其中路由协议起着关键作用。在分析现有QoS路由协议的基础上,提出了一种基于流量分类和成本期望的集群路由协议(CRPBCC)。在CRPBCC中,数据包分为普通数据包和重要数据包。节点形成集群,数据融合由集群头执行。不同的数据包根据不同的成本期望和排队机制选择最佳路由。此外,在CRPBCC协议中应用了拥塞反馈机制。仿真结果表明,CRPBCC可以有效地延长网络寿命,提高报文的发送率,实现重要报文的快速可靠传输。

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