g., node
cooperation strategy/incentives and network coordination and routing policies imposed by
the utilized protocols). Hence, in this work we investigate cross-layer optimization for
video over multi-hop wireless mesh networks given the network specification (participating
nodes and connectivity) as well as the available reservation time on each link for the video
traffic.
Cross-layer Optimized Video Streaming over Wireless Multi-hop Mesh Networks 108
1 h 3 h
2 h
12
12
queue
12
,
,
g
e
d
23
23
queue
23
,
,
g
e
d
queue
13 13 13 , , g e d
Figure 5.1: A simple topology with three hops.
T1 T2
1 h 4 h
2 h
3 h
7 h
5 h
6 h
12
12
queue
12
,
,
g
e
d
13
13
queue
13
,
,
g
e
d
45
45
queue
45
,
,
g
e
d
46
46
queue
46
,
,
g
e
d
57
57
queue
57
,
,
g
e
d
67
67
queue
67
,
,
g
e
d
measured estimated
Information
horizon
24
24
queue
24
,
,
g
e
d
queue
25 25 25 , , g e d
queue
36 36 36 , , g e d
34
34
queue
34
,
,
g
e
d
queue
14 14 14 , , g e d
23
23
queue
23
,
,
g
e
d
queue
47 47 47 , , g e d
56
56
queue
56
,
,
g
e
d
1 h 4 h
2 h
3 h
7 h
5 h
6 h
12
12
queue
12
,
,
g
e
d
13
13
queue
13
,
,
g
e
d
45
45
queue
45
,
,
g
e
d
46
46
queue
46
,
,
g
e
d
57
57
queue
57
,
,
g
e
d
67
67
queue
67
,
,
g
e
d
measured estimated
Information
horizon
24
24
queue
24
,
,
g
e
d
queue
25 25 25 , , g e d
queue
36 36 36 , , g e d
34
34
queue
34
,
,
g
e
d
T3
1 h 4 h
2 h
3 h
7 h
5 h
6 h
12
12
queue
12
,
,
g
e
d
13
13
queue
13
,
,
g
e
d
57
57
queue
57
,
,
g
e
d
67
67
queue
67
,
,
g
e
d
measured estimated
Information
horizon
queue
25 25 25 , , g e d
queue
36 36 36 , , g e d
queue
14 14 14 , , g e d queue
47 47 47 , , g e d
Figure 5.
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