Improvement and Performance Evaluation of IEEE 802.11p Protocol in Dense Scenario of VANET

Table 3

Default parameters.

Parameter	Value
Data length	120 bytes
Transmission speed	250 kbps
ACK duration	864 μs
SIFS	192 μs
LAt	2.7 (0.864 ms)
LACK	1.1 (0.352 ms)
Wmin	7
Wmax	56
macMaxCSMABackoffs	5
macMinCSMABackoffs	1
macMaxFrameRetries	3
macMinFrameRetries	0
macMaxBE	5
macMinBE	3
Number of nodes	36-648
Number of packets	CMN+1
n	macMaxCSMABackoffs
m	macMaxFrameRetries