Design and Modeling of Self-Adapting MAC (SaMAC) Protocol with Inconstant Contention Loss Probabilities

Table 1

Network parameters used.

Parameter	Value
Payload size	1040 B
DCF W0	16
DCF Wmax	1024
SaMAC Wmin	16
SaMAC Wmax	48
SaMAC Freezing limit k	4
802.11g and SaMAC
SIFS	10 µs
Idle timeslot duration (σ)	9 µs
DIFS	50 µs
Propagation delay (δ)	0 µs
Tpreamble	16 µs
TPHYheader	4 µs
TACK	50 µs
Retry limit	7
Data rate	6 Mbps
802.11n and SaMACn
SIFS	16 µs
Idle timeslot duration (σ)	9 µs
DIFS (AIFS)	43 µs
Propagation delay (δ)	0 µs
Tpreamble	16 µs
TPHYheader	4 µs
THtSigHeader	8 µs
TACK	28 µs
Guard interval	400 ns
Channel	20 MHz
max MPDU aggregation	0 B
max MSDU aggregation	8192 B
802.11n MCS index	6
Retry limit	7
Data rate	65 Mbps