Digital Signal Processing Reference
In-Depth Information
0.2
Without Cooperation
Cooperation without Channel−aware
Cooperation with Channel−aware
0.15
λ
2
0.1
0.05
0
0
0.05
0.1
0.15
0.2
0.25
λ
1
(a)
ψ
1
= 0
.
1 and
ψ
2
= 0
.
1
0.8
Without Cooperation
Cooperation without Channel−aware
Cooperation with Channel−aware
0.7
0.6
0.5
λ
2
0.4
0.3
0.2
0.1
0
0
0.1
0.2
0.3
0.4
λ
1
(b)
ψ
1
= 0
.
2 and
ψ
2
= 0
.
8
FIgure 11.6
The stability regions and fully loaded regions for the cases with and without
cooperation and channel awareness.
achieved when the users are able to adjust their transmission probabilities according
to their local channel state. The channel-aware transmission control allows the users to
exploit the multiuser diversity and increase the throughput of both cooperative users.
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