id	keyword
cana-4557	energy
cana-4557	vol
cana-4557	data
cana-4557	sensor
cana-4557	algorithm
cana-4557	nodes
cana-4557	routing
cana-4557	cluster
cana-4557	network
cana-4557	doi
cana-4557	analysis
cana-4557	path
cana-4557	optimization