Hybrid Control of Contention Window and Frame Aggregation for Performance Enhancement in Multirate WLANs

Table 3

Per-STA throughput of the hybrid mechanism with different transmission rates and packet sizes (Scenario 2).

		Throughput ratio			Percentage error	Fairness index
		ideal ()	anal. ()	sim. ()	()
(48, 6)	(1000, 1000)	8	9.088	9.097	0.111	0.9994
(48, 6)	(1000, 1500)	8	9.088	9.077	0.136	0.9991
(48, 9)	(1500, 500)	5.333	6.059	6.058	0.008	0.9997
(54, 12)	(500, 1000)	4.5	5.112	5.087	0.551	0.9960
(48, 12)	(1500, 500)	4	4.000	4.000	0.008	0.9996
(24, 6)	(1000, 1000)	4	4.000	3.996	0.105	1.0000
(24, 9)	(1500, 1000)	2.667	2.667	2.671	0.146	1.0000
(24, 12)	(500, 1500)	2	2.000	1.992	0.040	0.9996
(12, 6)	(1500, 1000)	2	2.000	2.000	0.000	1.0000
(18, 12)	(1500, 1000)	1.5	1.500	1.500	0.000	1.0000
(9, 6)	(1500, 500)	1.5	1.500	1.500	0.007	0.9995