Distortion-Based Slice Level Prioritization for Real-Time Video over QoS-Enabled Wireless Networks

Table 1

Mean Y-PSNR gain (loss) when dropping different priority packets, as compared to dropping randomly over a range of test sequences.

		Δ PSNR (dB)
Loss rate (%):		2	4	6	8	10
Akiyo	Drop Pri 0	1.73	2.62	3.3	3.94	4.21
	Drop Pri 1	0.61	0.69	0.9	1.15	1.27
	Drop Pri 2	−1.52	−2.33	−2.52	−2.37	−2.41
Mobile	Drop Pri 0	1.85	2.76	3.12	3.31	3.57
	Drop Pri 1	0.53	0.94	1.16	1.42	1.43
	Drop Pri 2	−2.1	−2.34	−2.22	−2.12	−2
Soccer	Drop Pri 0	1.77	2.63	3.03	3.25	3.38
	Drop Pri 1	0.26	0.61	0.72	0.85	0.91
	Drop Pri 2	−1.69	−2.17	−2.24	−2.17	−2.19
Foreman	Drop Pri 0	1.99	3.03	3.31	3.45	3.67
	Drop Pri 1	0.61	0.88	0.93	0.87	1.09
	Drop Pri 2	−1.68	−2.09	−2.19	−2.18	−2.02
Football	Drop Pri 0	0.69	1.13	1.47	1.42	1.42
	Drop Pri 1	0.26	0.63	0.82	0.88	0.82
	Drop Pri 2	−1.07	−1.43	−1.27	−1.27	−1.38
Highway	Drop Pri 0	2.01	3.18	3.88	4.5	4.54
	Drop Pri 1	0.72	1.18	1.37	1.49	1.37
	Drop Pri 2	−1.95	−2.44	−2.71	−2.67	−2.78