Channel Contention-Based Routing Protocol for Wireless Ad Hoc Networks

Pseudocode 1

	Method for broadcasting a RREQ by Nodes S
	SendRREQ (NodeS)
	IN RREQ Packet
	CC = 0
	NC = 0
	Broadcast RREQ to Neighbor
	Method for Computing Channel Contention at Node X
	ComputeContention (NodeX)
	IF (Packet Transmitted or Dropped)
	Method for Handling RREQ at Node X
	ReceiveRREQ_NodeX (RREQ, NodeS)
	IF (NodeX = = DestinationNode)
	SendRREP (NodeS, RREQ)
	ENDIF
	IF (NodeX ≠ DestinationNode)
	IF (Already Seen RREQ)
	Discard Packet
	Exit
	ENDIF
	ForwardRREQ (Neighbors)
	ENDIF
	Method for sending RREP
	SendRREP (NodeS, RREQ)
	Select Least Contended Path
	Update Route
	SendRREP (NodeS)
	Method for forwarding RREQ to neighbors
	ForwardRREQ (Neighbors)
	IF ()
	Set  =
	Set NC = 1
	ENDIF
	IF ()
	NC = NC + 1
	ENDIF
	Update Route
	Broadcast RREQ to neighbours Pseudocode for the proposed mechanism