Digital Signal Processing Reference
In-Depth Information
Table I.2. Linear MIMO system with orthonormal precoder (Chap. 15 )
ZF-MMSE linear transceiver (Chap. 15, Sec. 15.3.1)
The optimal solution is such that
F = α V h I M
0
G = α 1 [ Σ g
0 ] U h ,
and
(I . 8)
where Σ g =([ Σ h ] M ) 1 and α is determined by the power p 0 . The minimized
MSE is given by
M− 1
E mmse = q σ s
p 0
1
σ h,k
(I . 9)
k =0
Pure-MMSE linear transceiver (Chap. 15, Sec. 15.3.2)
The optimal solution is such that
F = α V h I M
0
0 ] U h ,
G = α 1 [ Σ g
and
(I . 10)
where
1
I + σ q
σ s
Σ g =( Σ h ) M
( Σ h ) M
(I . 11)
and α is determined by the power p 0 . The minimized MSE is given by
.
M− 1
E mmse = s σ q
p 0
1
(I . 12)
q
p 0
+ σ h,k
k =0
 
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