Energy optimized safe routing method
An energy-optimized and safe technology, applied in safety devices, reducing energy consumption, energy-saving ICT, etc., can solve problems such as energy consumption and achieve the effect of enhancing safety
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[0018] (1) The cluster head election stage
[0019] Assuming that the total number of nodes in the sensor network is N, the expected optimal number of cluster heads is k, and the initial probability of each node becoming a cluster head is p=k / N. The nodes that apply to become cluster heads in this round are defined as candidate cluster head nodes. The candidate cluster head nodes broadcast their information to the entire network and declare themselves as cluster head nodes. The protocol uses the CSMA protocol, and only one cluster head node can broadcast its own information at the same time. First, suppose that the current number of rounds of cluster head selection is sequence, and the candidate cluster head node H broadcasts the message {sequence|ID H |ch(r)} To the nodes around you, tell the current round sequence and the total number of elected cluster head nodes ch(r), and tell the ID of each key on the key ring H .
[0020] (2) Cluster establishment stage
[0021] Once certai...
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