Symbol | Definition |
---|---|
| Probability value |
| Set of wireless access networks, r th access network |
| Number of available wireless networks |
μ r | Available bandwidth of P r |
Ï€ r | Average loss rate of P r |
t r | Propagation delay of P r |
| Effective loss rate |
| Average burst length of P r |
k | Number of source packets in a FEC block |
n | Total number of FEC packets in a FEC block |
k/n | FEC code rate |
| Effective loss rate |
V | Video source (encoding) rate |
Φ,ϕ r | Selection vector for wireless access networks, r th element |
Ω,ω r | Transmission rate assignment vector, r th element |
S | FEC data packet size |
J | Number of video frames in a GoP |
F | Video frame rate |
| Maximum delay constraint for each group of pictures |
Δ | Loss requirement imposed by the video application |