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-5
0
5
10
15
20
25
Channel SNR (dB)
25
30
35
40
45
A
v
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g
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P
S
N
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(d
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10-872748db-tpd.gle,v $
-5
0
5
10
15
20
25
30
Channel SNR (dB)
10
-3
2
5
10
-2
2
5
10
-1
2
5
10
0
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PSNR with feedback
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64QAM
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8PSK
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20
25
30
35
40
45
A
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N
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10-872748db-tpd.gle,v $
-5
0
5
10
15
20
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Channel SNR (dB)
10
-3
2
5
10
-2
2
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10
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2
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PSNR with feedback
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64QAM
16QAM
8PSK
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20
25
30
35
40
45
A
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