Digital Signal Processing Reference
In-Depth Information
20
16
15
14
10
12
5
10
0
8
-5
6
-10
4
-15
2
-20
50
100
150
AS(°)
(a)
20
9
15
10
8.5
5
0
8
-5
-10
7.5
-15
-20
50
100
150
AS(°)
(b)
FIgure 4.18
Frobenius norm of 4 × 4 MIMO systems in terms of XPD and AS with (a) a single-
polarization configuration and (b) a dual-polarization configuration.
4.5.7 Adaptive MIMO Polarized-Antenna Selection
Technique (AMPAS)
In the previous sections, we defined the scattering mechanisms that are used to represent
not only the attenuation of traveling waves but also the polarization of the electromag-
netic wave. The achieved performance in capacity is calculated under the assumption
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