Effects of Implementing Adaptable Channelization in Wi-Fi Networks

Table 4

Confidence interval and statistical properties of spectrum utilization.

Measure	Spectrum utilization (%)
Algorithm	OSSA						SampleWidth
Offered load (Mbps)	12	18	24	36	48	54	12	18	24	36	48	54
Sample size	8	8	8	8	8	8	8	8	8	8	8	8
Mean	49	59	62.12	71.12	81	94	40.25	50.25	57.37	62.25	70.25	75.12
Standard deviation	2.39	2.39	2.53	2.03	2.16	1.30	1.90	1.90	1.92	1.66	2.43	2.16
Sample variance	5.71	5.71	6.41	4.12	5.14	1.71	3.64	3.64	3.69	2.78	5.92	4.69
Range	6	6	6	6	6	4	5	6	5	5	6	6
Minimum	46	56	59	68	78	92	38	47	55	60	67	72
Maximum	52	62	65	74	84	96	43	53	60	65	73	78
Standard error	0.84	0.84	0.89	0.71	0.80	0.46	0.67	0.67	0.67	0.59	0.86	0.76
Confidence level (95%)	1.99	1.99	2.11	1.69	1.89	1.09	1.59	1.59	1.60	1.39	2.03	1.81