Using Celling And Clustering Mechanisms

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Cell-LEACH [10] is based on celling and clustering mechanisms as shown in figure below; in fact, sensors are divided in sections which are called cells, then after the selection of a head of cells is done, the formation of a new cluster is achieved by the grouping of seven near cells .In this approach, it is required to transfer the cell data to the cell- head in designated time using TDM (Time Division Multiplexing) method . This method is also used for delivering data from cell-head to cluster-head. Before transferring data to cluster-heads, cell-heads remove redundant information and aggregate received information from different sensors E. LEACH-E LEACH-E [11] protocol would improve the CH selection process compared to LEACH protocol. As LEACH protocol; this improved version is divided into different rounds. All the sensor nodes would have the same probability to be CH of the cluster in the first round. After the first round of transmission the residual energy of each node would get different, The selection of a node as CH is based on residual energy which means the one which has the highest residual energy would be chosen as CH of the cluster and other nodes with less energy will represent the members of the cluster. F. Enhanced LEACH (E-LEACH) E-LEACH [12] is based on LEACH protocol to balance the energy consumption of sensor nodes in order to solve the overload energy consumption problem. This protocol adopts the same round concept with the original LEACH. The

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