Packet transmission time in 802.11

Frame exchange duration for a unicast data frame and the acknowledgement frame

For 802.11b bitrates (valid in 802.11b and g; short headers used)

	Payload in bytes:	1500
	Short preamble and headers:	yes
	Data transmission bitrate (802.11b/g)			1 Mbps				2 Mbps				5.5 Mbps				11 Mbps
			Bitrate (Mbit/s)	Length (bits)	Time (μs)		Bitrate (Mbit/s)	Length (bits)	Time (μs)		Bitrate (Mbit/s)	Length (bits)	Time (μs)		Bitrate (Mbit/s)	Length (bits)	Time (μs)
	DIFS				50				50				50				50
D	PHY header: PLCP preamble		1	144	144		1	72	72		1	72	72		1	72	72
A	PHY header: PLCP header		1	48	48		2	48	24		2	48	24		2	48	24
T	MAC headers (ad-hoc mode: 28 Bytes)		1	224	224		2	224	112		6	224	41		11	224	zus.
A	MAC body		1	12000	12000		2	12000	6000		6	12000	2182		11	12000	1112
	tx time data:				12466				6258				2369				1258
	SIFS				10				10				10				10
A	PHY header: PLCP preamble		1	144	144		1	72	72		1	72	72		1	72	72
C	PHY header: PLCP header		1	48	48		2	48	24		2	48	24		2	48	24
K	MAC headers		1	112	112		2	112	56		6	112	21		11	112	11
	tx time ack:				314				162				127				117
	tx time data + ack:				12780				6420				2496				1375