Table 1 Simulation parameters
From: A concurrent access MAC protocol for cognitive radio ad hoc networks without common control channel
Description | Value |
|---|---|
Simulation tool | Ns-2 (with CRCN patch [22]) |
Network area | 1000 m × 1000 m |
Number of nodes | 40 |
Number of sessions at a time | 5 |
Propagation channel model | Two-ray ground reflection model |
Number of interfaces per node | 2 |
Number of channels | 10 |
Channel availability | 10% to 100% (steps of 5%) |
Maximum signal length | 10Â ms |
Simulation time | 50s |
Number of NCMs per the examined value of channel availability | 50 (950 in total) |