A Novel Adaptation Method for HTTP Streaming of VBR Videos over Mobile Networks

Table 3

Statistics of the reference methods and the proposed method with three different options for “Terminator 2.” Here, STD is the standard deviation.

Statistics	ITB	TBB	AVG-10	AVG-30	AVG-50
Average bitrate (kbps)	1544.3	1926.2	1962.9	1779.4	1691.3
Average version	4.51	4.34	4.61	4.55	4.46
Maximum version	6	6	6	6	6
Minimum version	1	1	2	2	2
Number of switches	128	17	18	12	12
Maximum switch degree	3	3	1	1	1
STD of switch degrees	0.63	0.34	0.24	0.20	0.20
Minimum buffer level (s)	42.5	1.5	18.3	21.8	22.7
STD of buffer levels (s)	1.64	16.44	10.43	9.22	8.98