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Even after 16 years of existence, low energy adaptive clustering hierarchy (LEACH) protocol is still gaining the attention of the research community working in the area of wireless sensor network (WSN). This itself shows the importance of this protocol. Researchers have come up with various and diverse modifications of the LEACH protocol. Successors of LEACH protocol are now available from single...
LEACH protocol called Low Energy Adaptive Clustering Hierarchy, is a protocol that allows the formation of distributed cluster. In each cluster, LEACH randomly selects some sensor nodes called cluster heads (CHs). The selection of CHs is made with a probabilistic calculation. It is supposed that each non-CH node joins a cluster and becomes a cluster member. Nevertheless, some CHs can be concentrated...
Wireless sensor networks are characterized by their sensitivity to complex routing protocols that waste energy. In fact, many ad hoc protocols were experimentally proven to be inconvenient for this type of networks. MR-LEACH is a protocol that governs the sensors data transfer to the base station in a multi-hop hierarchical manner. However, the hierarchical clustering does not achieve a high performance...
In recent years, several protocols have been proposed for Wireless Sensor Networks (WSNs) in many different purposes. Wireless Sensor Networks have the limitations such as energy source, memory size and processing power. Therefore, developing an energy-efficient routing protocol is an interested research work in this field. The routing protocols in sensor networks are able to classify into three categories...
In many typical wireless sensor networks, the nodes are fixed, where cluster based protocols like LEACH were suitable for routing. However, it is another story when the nodes are mobile. This paper proposes a novel routing protocol supporting node mobility called “2L-LEACH-M”, it divides the nodes into two levels: level 1 (cluster-head level) or level 0 (member level), which makes mobile nodes find...
A cluster-based routing scheme for wireless sensor networks featuring adjustable cluster size is proposed in this article. Aimed at the reduction of power consumption, the proposed scheme is designed to adjust cluster sizes on the fly such that communication loads can be evenly shared by individual nodes, and consequently extend the lifetime of an entire sensor network. In the proposed scheme, named...
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