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EURASIP Journal on Wireless Communications and Networking
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Table 1
μ
0
,
μ
1
, and
μ
2
with
F
1
= |
G
1
|
2
+
K
|
G
2
|
2
and
F
2
= |
G
2
|
2
+
K
|
G
1
|
2
for three estimation and equalization processes
From:
SER/BER expression for M-QAM OFDM systems with imperfect channel estimation and I/Q imbalance
μ
0
μ
1
μ
2
No IQ-compensation
1
+
K
F
1
(
|
G
1
|
2
+
|
G
2
|
2
+
N
p
σ
h
2
+
2
ℜ
{
G
1
G
2
}
)
E
s
F
1
+
(
1
+
K
)
G
1
G
2
2
−
1
E
s
F
2
1
+
μ
0
E
s
E
s
F
1
1
+
K
1
+
μ
0
E
s
γ
F
1
σ
h
2
IQ comp: channel estimation
N
p
(
1
+
K
)
2
F
1
σ
h
2
E
s
F
2
1
+
μ
0
E
s
F
1
E
s
1
+
K
1
+
μ
0
E
s
γ
F
1
σ
h
2
IQ comp: chan. est. & equalization
N
p
(
1
+
K
)
2
F
1
σ
h
2
E
s
μ
0
(
1
+
μ
0
E
s
)
1
+
μ
0
E
s
F
1
F
2
1
+
K
1
+
μ
0
E
s
γ
F
1
σ
h
2
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