On the Optimization of the IEEE 802.11 DCF: A Cross-Layer Perspective

Table 1

Typical network parameters.

MAC header	24 bytes	Slot time 𝜎	20 𝜇𝑠
PHY header	16 bytes	SIFS	10 𝜇𝑠
ACK	14 bytes	DIFS	50 𝜇𝑠
𝜏𝑝	1𝜇s	EIFS	300 𝜇𝑠
𝑊0	32	ACK timeout	300 𝜇𝑠
m	5	CTS timeout	300 𝜇𝑠