Table 1: Cognitive radio based wireless mesh network simulation parameters.

Simulation parameterAssigned value

Number of nodes20, 40, 60, 80, 100
Topography1000 m 1000 m
Primary users4
Secondary users20, 40, 60, 80, 100
Cognitive radio mesh interfaces2
Mobility modelRandom Waypoint
Mobile client node speed1 m/s–10 m/s
Number of primary users0, 1, 2
Transmission range200 m
Medium access controlIEEE 802.11b MACCON
RF Propagation ModelTwo-ray ground reflection
Antenna typeOmnidirectional
Traffic typeCBR
Packet size1500 bytes
Packet rate2, 4, 6, 8, 10 (packet/s)
Data rate11 Mbps
Routing protocolsAODV, WCETT, xWCETT
Simulation time300 s