The Design and Implementation of the XWCETT Routing Algorithm in Cognitive Radio Based Wireless Mesh Networks

Table 1

Cognitive radio based wireless mesh network simulation parameters.

Simulation parameter	Assigned value
Number of nodes	20, 40, 60, 80, 100
Topography	1000 m 1000 m
Primary users	4
Secondary users	20, 40, 60, 80, 100
Cognitive radio mesh interfaces	2
Mobility model	Random Waypoint
Mobile client node speed	1 m/s–10 m/s
Number of primary users	0, 1, 2
Transmission range	200 m
Medium access control	IEEE 802.11b MACCON
RF Propagation Model	Two-ray ground reflection
Antenna type	Omnidirectional
Traffic type	CBR
Packet size	1500 bytes
Packet rate	2, 4, 6, 8, 10 (packet/s)
Data rate	11 Mbps
Routing protocols	AODV, WCETT, xWCETT
Simulation time	300 s