Scalable Video Streaming for Single-Hop Wireless Networks Using a Contention-Based Access MAC Protocol

Table 4

DSSS-OFDM system parameters for IEEE 802.11e used to obtain numerical results.

Parameter	Value
Packet payload	1500 bytes
Coding rate	3/4
MAC header (${\text{MAC}}_{\text{hdr}}$)	36 bytes
PHY header (${\text{PHY}}_{\text{hdr}}$)	32 bytes
RTS	$20\text{bytes}+{\text{PHY}}_{\text{hdr}}$
CTS	$\text{14\hspace{0.17em}bytes}+{\text{PHY}}_{\text{hdr}}$
ACK	$\text{14\hspace{0.17em}bytes}+{\text{PHY}}_{\text{hdr}}$
Channel capacity (BW)	54 Mbps
Slot time	20 microseconds
SIFS	10 microseconds
DIFS	50 microseconds
RTS time out	352 microseconds