Table 2 VoIP traffic characteristics.
From: Efficient Control Channel Resource Allocation for VoIP in OFDMA-Based Packet Radio Networks
Parameter | Value |
|---|---|
AMR voice codec rate | 12.2 kbps |
Voice call length | 60 s |
Voice activity factor | 50% |
Mean of active period duration | 2 s |
Mean of silence period duration | 2 s |
Voice/SID packet size | 40 bytes/15 bytes |
Voice/SID packet interarrival time | 20 ms/160 ms |