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LEACH is a hierarchical routing protocol special for WSN. Many researchers have proposed many improved algorithms based on LEACH, such as LEACH-C, LEACH-M and so on, and these algorithms have much improvements on efficiency of energy in certain extent. Within the lifetime of networks, based on the shortcomings of LEACH that each node is frequently repeated several times elected cluster-head and consumed...
BACR is a new hierarchical routing protocol based on LEACH designed for WSN. It introduced energy-involved voting and back-off announcement to control the number of cluster-heads to vary within a small range and evenly locate the cluster-heads thus to prolong the network lifetime. This work also employed the technology of cluster reappointment to minimize the energy consumed in cluster set-up phase...
Recently, in order to improve the energy efficiency of WSN(Wireless Sensor Network), widely research have been carried on. But, up to the present, all presented methods are based on direct communication between CH (cluster head) and sink node, and based on the assumption that node can intelligent regulate signal energy according to the distance between nodes. So it's hard to implement those methods...
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