CMD: A Multichannel Coordination Scheme for Emergency Message Dissemination in IEEE 1609.4

Table 5

Simulation parameters.

Description	Value
Message payload size	200 bytes
Fading model	Nakagami
Packet interval	100 ms
Data rate	3 Mbps
Content window size: Min, max	15, 256
Slot time
Arbitrary interframe space number (AIFSN)	2
Short interframe space (SIFS) time
Antenna height	1.5 m
Frequency	5.9 GHz
Transmitter and receiver gain	3 dB
Number of vehicles	50
Vehicle speed	40 m/s
Vehicle mobility model	Manhattan-grid highway