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Table 3 Traffic model parameters

From: QoS-aware dynamic resource allocation for wireless broadband access networks

Service class Packet inter-arrival time Packet size
UGS (VoIP) Constant (3.65 ms) Constant 640 B
ertPS (VoIP with silence suppression) Constant (3.65 ms) Constant 640 B
rtPS (video) Exponential (mean 3 ms) Exponential (mean 512 B)
nrtPS (FTP) Exponential (mean 8 ms) Exponential (mean 1024 B)
BE Exponential (mean 5 ms) Exponential (mean 512 B)