Multihop Uplink Communication Approach Based on Layer Clustering in LoRa Networks for Emerging IoT Applications

Algorithm 1

Formation of the network layers.

	layer_id = ;
	if id = = 0 then
	CREATE_DIS_MESSAGE (1, 0, 0, 0);
	BROADCAST (DIS);
	end if
	if DIS message then
	if DIS. ¡ then
	=
	CREATE_DIA_MESSAGE ( + 1,  + 1,  + 1, ID);
	UNICAST (DIA);
	CREATE_DIS_MESSAGE (, ID);
	BROADCAST (DIS);
	EXPIRER (timer);
	;
	if EXPIRER (timer) then
	if Not DIA reception then
	CREATE_DIN_MESSAGE (id, layer_id, );
	UNICAST (DIN)
	end if
	end if
	end if
	end if
	if DIN message then
	CREATE_DIN_MESSAGE (ID, gtwlayer_id, layer_id);
	UNICAST (DIN);
	end if