Signal Routing and System Configuration
R&S
®
SMW200A
126User Manual 1175.6632.02 ─ 16
Table 3-2: Example of scenarios for signaling tests
Test scenario Short description/application Fading and
Baseband
Configuration
Baseband
Source
Configura-
tion
Required Input/
output signals per
instrument
Required
additional
instruments
LTE-A carrier aggre-
gation with 2x2
MIMO and signaling
UE test with two component car-
riers (carrier aggregation) and
2x2 MIMO each
more
2x2x2 Coupled Input: CODER 1/2
Output: BBMM 1/2
1xR&S CMW
LTE 4x4 MIMO with
signaling
UE or BS tests with signaling
Input signal from R&S CMW
required
1x4x4 Coupled
MIMO OTA tests UE MIMO OTA tests 2x2 Separated
The meaning of the short form representations of the fading and baseband con-
figurations
Throughout this description, the fading and baseband configurations are represented in
a short form that follows the predefined structure
<#Entity>x<#Basebands>x<#Streams> (LxMxN). The last two blocks are identi-
cal with the standard convention used to describe a MxN MIMO system.
Example:
The abbreviation 1x8x2 is a representation of a one-entity 8x2 MIMO system; a 2x2x2
configuration is a scenario with two entities with a 2x2 MIMO system each.
3.2 Possible Ways to Configure the Signal Flow
The R&S SMW provides different possibilities for configuring the signal flow. This sec-
tion gives an overview of the available alternatives, starting with the simple manual
configuration, to the automatically assisted routing for complex signal scenarios. Select
the routing method most fitting to your needs and workflow.
For complex routing scenarios, like MIMO configuration and especially configuration
involving several instruments, use the "System Configuration" functionality as the start
and central configuration point.
We assume a fully equipped R&S SMW with Standard baseband.
3.2.1 Using the Signal Routing Settings and the Block Diagram
The following methods are provided in Standard mode and are suitable for the configu-
ration of non-MIMO signal routing tests scenarios.
Possible Ways to Configure the Signal Flow
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