Table 1 Simulation Configurations.
Term | 3G cellular | WLAN |
|---|---|---|
Packet loss model | Uniform random loss model with rate 0.5% | Gilbert Markov 2-state model with good state 0.1%, bad state 10%, and transition rate 0.5 |
Bandwidth | 1 Mbps | 10 Mbps |
Delay | 200 ms | 20 ms |
Packet-reordering model | Uniform and random packet-reordering probability of 5%. Swap a packet for the next packet. | — |
|  | (5% is chosen out of the channel error rate range from 0% to 8% in [8, Figure  5, page 523]) |  |
Wired part | ||
Congestion loss model | Forward cross traffic (10 connections) with congestion loss rate 1.5% | |
Bandwidth | 20 Mbps | |
Delay | 1 ms | |
Router buffer | 30 packets | |
Vertical Handover | ||
Vertical handover Event | At 250 s, simulation is paused during 30 seconds | |