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Table 1 Traffic types for QoS provisioning

From: Quality-of-service-aware weighted-fair medium access control protocol for coexisting cognitive radio networks

Type (Ω) Description Priority (ρ)
Voice Highest priority (low latency)  
  (e.g., voice call, audio streaming) 6
Video Second highest priority  
  (video conferencing, streaming) 4
Best effort No QoS mentioned, bursty traffic  
  (traffic less sensitive to latency, e.g.  
  web surfing) 3
Background Lowest priority (no strict latency)  
  (e.g., print jobs, email, etc.) 1