Adaptive Two-Level Frame Aggregation for Fairness and Efficiency in IEEE 802.11n Wireless LANs

Table 4

Performances of DCF, FA2-H, and FA2-T schemes under the heterogeneous network condition in Section 2.1.

Performance measure		DCF	FA2-H	FA2-T
Airtime ratio	STA1	0.166	0.211	0.210
	STA2	0.397	0.221	0.216
	STA3	0.080	0.210	0.216
	STA4	0.127	0.221	0.219
Fairness index		0.7137	0.9994	0.9998
Throughput (Mb/s)	STA1	1.06	2.24	2.32
	STA2	4.11	2.56	2.51
	STA3	1.07	11.40	11.78
	STA4	4.20	12.51	12.62
Aggregate throughput (Mb/s)		10.44	28.71	29.23