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

Table 3

Comparison between proposed method and total enumeration method in terms of upper and lower sets of (, ), frame transmission time, and throughput for various data rates ( = 500 bytes and = 3 ms).

(a) Upper set of (, )

Data rate (Mb/s)	Proposed			Total enumeration
	(, )		Throughput	(, )		Throughput
		(ms)	(Mb/s)		(ms)	(Mb/s)
6.5	(3, 2)	3.97	5.83	(5, 1)	3.28	5.83
13	(2, 5)	3.36	11.57	(1, 9)	3.16	11.20
26	(2, 9)	3.03	23.10	(2, 9)	3.03	23.20
39	(2, 14)	3.14	34.68	(4, 7)	3.07	35.04
52	(2, 18)	3.03	46.21	(2, 18)	3.03	46.39
65	(2, 23)	3.10	57.78	(2, 23)	3.10	58.01
78	(2, 27)	3.03	69.31	(4, 14)	3.07	70.07
104	(2, 36)	3.03	92.41	(2, 36)	3.03	93.11
117	(2, 41)	3.07	103.99	(3, 28)	3.10	105.16
130	(2, 45)	3.03	115.52	(3, 31)	3.09	116.84

(b) Lower set of (, )

Data rate (Mb/s)	Proposed			Total enumeration
	(, )		Throughput	(, )		Throughput
		(ms)	(Mb/s)		(ms)	(Mb/s)
6.5	(4, 1)	2.64	5.78	(1, 4)	2.82	5.59
13	(3, 3)	2.99	11.61	(3, 3)	2.99	11.68
26	(3, 6)	2.99	23.21	(3, 6)	2.99	23.35
39	(3, 9)	2.99	34.82	(3, 9)	2.99	35.03
52	(3, 12)	2.99	46.43	(3, 12)	2.99	46.71
65	(3, 15)	2.99	58.03	(3, 15)	2.99	58.39
78	(3, 18)	2.99	69.64	(3, 18)	2.99	70.06
104	(3, 24)	2.99	92.85	(3, 24)	2.99	93.42
117	(3, 27)	2.99	104.46	(3, 27)	2.99	105.10
130	(3, 30)	2.99	116.07	(3, 30)	2.99	116.77