參數(shù)資料
型號(hào)： ZFBLEWP
英文描述： ZF-BLE Joint Detection for TD-SCDMA
中文描述： 迫零線性均衡的聯(lián)合檢測(cè)的TD - SCDMA
文件頁(yè)數(shù)： 16/20頁(yè)
文件大?。?/td> 316K
代理商： ZFBLEWP
16
From above equation, the output of the whitening matched filter is the coherent
maximum ratio combining of all K
a
antennas. Thus K
a
elements of the antenna array
work as a diversity array and no beam is formed.
4.3.
Computation of the Zero Force Equalizer
We now turn our attention to the computation of the Zero Force Equalizer (Figure 4-1).
We define the zero force equalizer matrixes as
C
-1
= (
A
H
R
n
-1
A
)
-1
and
C
=
A
H
R
n
-1
A
(33)
C
= [
A’
(1)H
A’
(2)H
…..
A’
(Ka)H
] [
A
(1)T
A
(2)T
…..
A
(Ka)T
]
T
=
S
ka=1
Ka
A’
(ka)H
A
(ka)
(34)
=
S
ka=1
Ka
C
(ka)
The matrix
C
is the summation of the matrix
C
(ka)
.Which indicate that Ka antenna
elements are coherently combined.
C
(ka)
b
(ka)
b
(ka)
b
(ka)
ka=1
~
~
~
A
(ka)
H
~
A
(ka
)
=
C
0
Q+W-1
C
0
C
0
C
0
C
1
C
1
C
1H
C
1H
C
1H
C
1H
C
1
C
2
C
1
b
(ka)
b
(ka)
b
(ka)
Figure 4-3 Zero Force Equalizer Matrix
From Figure 4-3 the sub-matrixes C
0
and C
1
can be computed from:
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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