Energy conservation is a significant task in the Internet of Things(IoT)because IoT involves highly resource-constrained devices.Clustering is an effective technique for saving energy by reducing duplicate data.In a c...Energy conservation is a significant task in the Internet of Things(IoT)because IoT involves highly resource-constrained devices.Clustering is an effective technique for saving energy by reducing duplicate data.In a clustering protocol,the selection of a cluster head(CH)plays a key role in prolonging the lifetime of a network.However,most cluster-based protocols,including routing protocols for low-power and lossy networks(RPLs),have used fuzzy logic and probabilistic approaches to select the CH node.Consequently,early battery depletion is produced near the sink.To overcome this issue,a lion optimization algorithm(LOA)for selecting CH in RPL is proposed in this study.LOA-RPL comprises three processes:cluster formation,CH selection,and route establishment.A cluster is formed using the Euclidean distance.CH selection is performed using LOA.Route establishment is implemented using residual energy information.An extensive simulation is conducted in the network simulator ns-3 on various parameters,such as network lifetime,power consumption,packet delivery ratio(PDR),and throughput.The performance of LOA-RPL is also compared with those of RPL,fuzzy rule-based energyefficient clustering and immune-inspired routing(FEEC-IIR),and the routing scheme for IoT that uses shuffled frog-leaping optimization algorithm(RISARPL).The performance evaluation metrics used in this study are network lifetime,power consumption,PDR,and throughput.The proposed LOARPL increases network lifetime by 20%and PDR by 5%–10%compared with RPL,FEEC-IIR,and RISA-RPL.LOA-RPL is also highly energy-efficient compared with other similar routing protocols.展开更多
针对无线传感网络(Wireless Sensor Networks,WSNs)路由能耗及安全问题,提出基于蚁群算法的能耗均衡的安全路由(Ant Colony based Energy Balancing Secure,ACES)。ACES路由利用蚁群算法搜索从源节点至汇聚节点的路径,并利用节点的剩余...针对无线传感网络(Wireless Sensor Networks,WSNs)路由能耗及安全问题,提出基于蚁群算法的能耗均衡的安全路由(Ant Colony based Energy Balancing Secure,ACES)。ACES路由利用蚁群算法搜索从源节点至汇聚节点的路径,并利用节点的剩余能量,离汇聚节点距离以及节点信任值对蚁群算法的信息素启发函数,状态转移函数和信息素的更新函数进行优化,使寻径蚂蚁能够快速建立从源节点至汇聚节点的路径,提高数据包传递率,均衡节点能耗。仿真结果表明,提出的ACES路由有效地延长了网络寿命,并提高了数据包传递率。展开更多
针对无线传感网络抵抗内部攻击能力薄弱的特点,提出一种基于依赖度的低功耗安全路由算法RAD(Routing Algo-rithm Based on Dependency),使网络能自主发现内部恶意节点,提高网络安全性,延长网络寿命。算法将依赖度应用于路由过程中,通过...针对无线传感网络抵抗内部攻击能力薄弱的特点,提出一种基于依赖度的低功耗安全路由算法RAD(Routing Algo-rithm Based on Dependency),使网络能自主发现内部恶意节点,提高网络安全性,延长网络寿命。算法将依赖度应用于路由过程中,通过依赖度鉴别恶意节点,并设立通信黑名单,确保链路的可靠性。仿真及实验结果表明,算法有较高的检测率和较低的能耗。展开更多
基金This research was supported by X-mind Corps program of National Research Foundation of Korea(NRF)funded by the Ministry of Science,ICT(No.2019H1D8A1105622)the Soonchunhyang University Research Fund.
文摘Energy conservation is a significant task in the Internet of Things(IoT)because IoT involves highly resource-constrained devices.Clustering is an effective technique for saving energy by reducing duplicate data.In a clustering protocol,the selection of a cluster head(CH)plays a key role in prolonging the lifetime of a network.However,most cluster-based protocols,including routing protocols for low-power and lossy networks(RPLs),have used fuzzy logic and probabilistic approaches to select the CH node.Consequently,early battery depletion is produced near the sink.To overcome this issue,a lion optimization algorithm(LOA)for selecting CH in RPL is proposed in this study.LOA-RPL comprises three processes:cluster formation,CH selection,and route establishment.A cluster is formed using the Euclidean distance.CH selection is performed using LOA.Route establishment is implemented using residual energy information.An extensive simulation is conducted in the network simulator ns-3 on various parameters,such as network lifetime,power consumption,packet delivery ratio(PDR),and throughput.The performance of LOA-RPL is also compared with those of RPL,fuzzy rule-based energyefficient clustering and immune-inspired routing(FEEC-IIR),and the routing scheme for IoT that uses shuffled frog-leaping optimization algorithm(RISARPL).The performance evaluation metrics used in this study are network lifetime,power consumption,PDR,and throughput.The proposed LOARPL increases network lifetime by 20%and PDR by 5%–10%compared with RPL,FEEC-IIR,and RISA-RPL.LOA-RPL is also highly energy-efficient compared with other similar routing protocols.
文摘针对无线传感网络(Wireless Sensor Networks,WSNs)路由能耗及安全问题,提出基于蚁群算法的能耗均衡的安全路由(Ant Colony based Energy Balancing Secure,ACES)。ACES路由利用蚁群算法搜索从源节点至汇聚节点的路径,并利用节点的剩余能量,离汇聚节点距离以及节点信任值对蚁群算法的信息素启发函数,状态转移函数和信息素的更新函数进行优化,使寻径蚂蚁能够快速建立从源节点至汇聚节点的路径,提高数据包传递率,均衡节点能耗。仿真结果表明,提出的ACES路由有效地延长了网络寿命,并提高了数据包传递率。
文摘针对无线传感网络抵抗内部攻击能力薄弱的特点,提出一种基于依赖度的低功耗安全路由算法RAD(Routing Algo-rithm Based on Dependency),使网络能自主发现内部恶意节点,提高网络安全性,延长网络寿命。算法将依赖度应用于路由过程中,通过依赖度鉴别恶意节点,并设立通信黑名单,确保链路的可靠性。仿真及实验结果表明,算法有较高的检测率和较低的能耗。
