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Table 1 Basic notations used in this paper

From: Joint source-channel coding and optimization for mobile video streaming in heterogeneous wireless networks

Symbol

Definition

Probability value

P, P r

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

π B ∗

Effective loss rate

1/ ξ B r

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

π B ∗

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