Table 1 Simulation parameters

τ

Time between successive epochs

50 ms

C

Channel data rate

18 Mbits/s

_{T aifs}

Arbitration inter frame space

9 μ s

_{T sifs}

Short inter frame space

32 μ s

_{T ack}

Time required to send an ACK

20 μ s

$C{W}_{min}$

Minimum contention window

15

$C{W}_{max}$

Maximum contention window

1023

_{T wired}

Wired transmission delay

100 ms

D

Average AP space

600 m

v

Train speed

80 km/h

ς

Shadowing fading standard deviation

8

_{P noise}

Noise power

−100 dbm

_{L fr}

SCTP chunk size

400 Bytes