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Extended network lifetime and load balancing are important requirements for many WSN applications. There are many clustering routing schemes for homogeneous proactive and reactive WSNs but they suffer from the problem of uneven load distribution and back transmission. This paper presents an energy efficient load balanced clustering scheme with away cluster head (ACH) scheme and free association mechanism...
Aiming at the deficiency like unbalanced cluster-head distribution, rebounded amount of cluster-head, and ignorance of the residual energy of sensor nodes competing for cluster-heads caused by LEACH (Low Energy Adaptive Clustering Hierarchy) algorithm using random probability rotation to choose clusterheads, a novel multi-hop routing algorithm based on uneven clustering(MRAUC) is proposed. The problem...
Nowadays, Wireless Sensor Networks (WSN's) has become progressively more attractive and has found its way into a wide variety of applications and systems because of its low-cost, self-organizing behavior and sensing ability in harsh environments. A WSN is a set of nodes arranged into a network. Routing is a vital technology in WSNs. It can be split into two groups namely flat routing and hierarchical...
In this paper, an improved LASA algorithm is proposed. A scheme of the alternative cluster head is introduced to balance the network energy consumption and a new query mechanism is used to reduce the request control packets. The simulation results demonstrate that the modified LASA algorithm outperforms the LASA algorithm in balancing the energy consumption of the network, prolongs the network's lifetime...
Wireless sensor network is composed of hundreds of sensor nodes involving in limited energy, efficient and low-energy consuming routing algorithm is the crucial problem to the routing design. In this paper, the LEACH protocol, which is a typical clustering routing protocol, has been researched and improved based on energy, the new algorithm is different from the LEACH in the method of determining...
On the basis of analyzing the Low-Energy Adaptive Clustering Hierarchy (LEACH), a clustering routing algorithm for Wireless Sensor Network (WSN) based on ant colony algorithm (ACA) is proposed in this paper. We applied the ACA to inter-cluster routing mechanism and looked for the best path from cluster heads to base station. Thanks to the algorithm, the transmission of information, for the cluster...
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