id	keyword
sc-2789	network
sc-2789	data
sc-2789	tracking
sc-2789	system
sc-2789	lora
sc-2789	zigbee
sc-2789	node
sc-2789	sensor
sc-2789	wireless
sc-2789	coordinator
sc-2789	cities
sc-2789	hybrid
sc-2789	gateway
sc-2789	tourist
sc-2789	transmission
sc-2789	figure
sc-2789	internet
sc-2789	iot