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Cluster Heads

A Prioritized Communication Based Clustered Architecture with Two Cluster Heads

A Prioritized Communication Based Clustered Architecture with Two Cluster Heads

... two cluster heads in a cluster called CH and ...the cluster head dies. It reduces the cluster reformation over the network so that network setup time is reduced and the efficiency and ...

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COMPARATIVE ANALYSIS OF NETWORK LIFE AND RESIDUAL ENERGY AMONG VARIOUS VARIANTS OF LEACH PROTOCOL

COMPARATIVE ANALYSIS OF NETWORK LIFE AND RESIDUAL ENERGY AMONG VARIOUS VARIANTS OF LEACH PROTOCOL

... as cluster heads in certain regions depending upon the residual energy and collaborate the remaining nodes to that cluster head to form ...the cluster head is ...

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Analysis of Energy Optimized Hierarchical Routing Protocols in WSN

Analysis of Energy Optimized Hierarchical Routing Protocols in WSN

... selects cluster heads according to a hybrid of the node residual energy and a secondary parameter through constant time ...size. Cluster Head (CH) nearer to the base station have to handle both heavy ...

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Distributed Dynamic Clustering in Randomly Deployed Wireless Sensor Networks

Distributed Dynamic Clustering in Randomly Deployed Wireless Sensor Networks

... selected cluster heads should cover a large number of ...the cluster head, that is responsible for the routing inside the cluster, becomes too ...

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Hybrid Energy Efficient Transmission Protocol for Heterogeneous Wireless Sensor Networks

Hybrid Energy Efficient Transmission Protocol for Heterogeneous Wireless Sensor Networks

... A heterogeneous wireless network is a system that provides multi-level connectivity, different levels of com- puting capability and energy constraints. The integration of heterogeneous wireless networks with sensor net- ...

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Title: Analyze the Performance of Divide and Conquer Scheme for Wireless Sensor Network

Title: Analyze the Performance of Divide and Conquer Scheme for Wireless Sensor Network

... optimal cluster head selection, multihop data transmission ...the Cluster Head nodes as routers to the ...a Cluster Head with a probability p and broadcasts its ...a Cluster Head for the ...

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NON-UNIFORM HIERARCHICAL CLUSTERING METHOD FOR IMPROVING LIFETIME OF ENERGY CONSTRAINED WIRELESS SENSOR NETWORKS								
								
								     
								     
								   

NON-UNIFORM HIERARCHICAL CLUSTERING METHOD FOR IMPROVING LIFETIME OF ENERGY CONSTRAINED WIRELESS SENSOR NETWORKS      

... one cluster, one cluster head (CH) and several cluster members ...(CMs). Cluster members gather data from the environment periodically and send the data to cluster ...heads. ...

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A Power Proficient Using Leach Protocol in Wireless Sensor Network

A Power Proficient Using Leach Protocol in Wireless Sensor Network

... primary cluster-based routing protocols in wireless device ...selects cluster heads with some chance, and thus the cluster heads fuse and combination data coming back from nodes that ...

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Performance Analysis of Data Aggregation Schemes for Wireless Sensor Networks

Performance Analysis of Data Aggregation Schemes for Wireless Sensor Networks

... Each cluster consists of one cluster head and one or more member ...their cluster heads, and then the cluster heads transmit an aggregated packet to the ...the cluster ...

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Vol 6, No 1 (2014)

Vol 6, No 1 (2014)

... the cluster-head node predicts that a member node wants migrate to an adjacent cluster, it sends the node’s certificate to surrounding cluster-heads via gateway ...

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A Novel Approach on Energy Efficient Cluster Based Routing Algorithm for Wireless Sensor Network

A Novel Approach on Energy Efficient Cluster Based Routing Algorithm for Wireless Sensor Network

... Each node decides independently if it will become a CH or not. The decision takes into account the node that hasn’t been a CH for longer time is more likely to choose it-self rather than the nodes which have been a CH ...

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Flow-based Attack Detection and Defense Scheme against DDoS Attacks in Cluster based Ad Hoc Networks

Flow-based Attack Detection and Defense Scheme against DDoS Attacks in Cluster based Ad Hoc Networks

... the cluster heads will uses flow based monitoring schemes to identify the suspicious behaviours of incoming traffic in each ...clusters. Cluster head constructs flows from the incoming traffic and ...

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AN EFFICIENT ENERGY ROUTING METHOD FOR WIRELESS SENSOR NETWORKS USING FAF

AN EFFICIENT ENERGY ROUTING METHOD FOR WIRELESS SENSOR NETWORKS USING FAF

... 3) However, generally sensor nodes are deployed randomly by throwing them to the target region. Hence, this approach is not a practical one for real environments in most of the case. Some of the clustering algorithms ...

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Energy Efficient Clustering using Jumper Firefly Algorithm in Wireless Sensor Networks

Energy Efficient Clustering using Jumper Firefly Algorithm in Wireless Sensor Networks

... Since a large number of low‐power sensor nodes have to be networked together, conventional techniques such as direct transmission from any specified node to the base station have to be avoided because in the direct ...

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Title: Coverage Improvement by Using RNCHE Algorithm Based on LEACH Protocol for Wireless Sensor Network

Title: Coverage Improvement by Using RNCHE Algorithm Based on LEACH Protocol for Wireless Sensor Network

... of Cluster Heads Enhancement algorithm is tested three times for each one of the three environments (50, 75 and 100 nodes environments), LEACH is executed first, CHs are selected randomly depending on LEACH ...

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Effect of Varying Initial Energy on Multihop          Routing Protocol in Wireless Sensor Network

Effect of Varying Initial Energy on Multihop Routing Protocol in Wireless Sensor Network

... the cluster and MinPts is a minimum nodes required inside the ...the cluster is formed as ...as cluster heads by the sensor nodes to which “ADVERTISEMENT” message is broadcasted by the CH and ...

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Index Terms - Energy-Efficiency, Hierarchy-Based Cluster, Network Life-span, Residual Energy, Restricted Areas, Wireless Sensor

Index Terms - Energy-Efficiency, Hierarchy-Based Cluster, Network Life-span, Residual Energy, Restricted Areas, Wireless Sensor

... of cluster heads in the middle of each partition were defined to aggregate data from cluster members and transmit these data to cluster heads in the next hierarchical ...prevents ...

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A Study on Power Saving and Secure WSN

A Study on Power Saving and Secure WSN

... a cluster-head (CH) node different from the normal sensors. These cluster heads can be chosen from the deployed sensors or can be more powerful than other sensor nodes in terms of energy, bandwidth, ...

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Energy Efficient Clustering and Routing Techniques for Wireless Sensor Networks

Energy Efficient Clustering and Routing Techniques for Wireless Sensor Networks

... of cluster heads in a wireless sensor network is a very important problem to reduce channel contention and to improve the efficiency of the algorithm when executed at the level of ...

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A Swarm Optimization Based Power Aware Clustering Strategy for WSNs

A Swarm Optimization Based Power Aware Clustering Strategy for WSNs

... rotated at each epoch of round. Some other protocols are also developed for heterogeneous type of WSNs. LEACH- VF (LEACH with Virtual Force), proposed by Awad et al. [13] in 2012, uses the principles of virtual field ...

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