Spectrum Handoff Aware AODV Routing Protocol for Cognitive Radio Vehicular Ad Hoc Networks

Algorithm 2

//Spectrum handoff packet buffering with priority buffers at intermediate CR nodes//

	Spectrum handoff based CR-AODV {
	while (((Avg_queue > minthresold) && (Avg_queue < maxthresold) || (Avg_queue > maxthresold)) {
	Prioritybit = 1; //Priority packet.
	REDpriority = True; //create Priority buffer.
	Markerpriority = 1; //priority packets
	REDInput ()//InputRED buffer at new-CR-node. {
	REDInput = Norma1IP;
	REDPriority = Packetspriority;
	if(Avg_queue > maxthresold)
	CongestionNotification = 1;
	else
	CongestionNotification = 0;
	Commonchanneloldnode-newnode = True;
	}
	}
	}