LTE Signaling
R&S
®
CMW-KM5xx/-KS5xx
84
User Manual 1173.9628.02 ─ 16
–
LTE R8, SISO, basic signaling, R&S CMW-KS500 (FDD) or -KS550 (TDD)
–
LTE R8, SISO, advanced signaling, R&S CMW-KS510
–
IPv4 enabler, R&S CMW-KA100, for IPv6 additionally R&S CMW-KA150
–
IMS basic service, R&S CMW-KAA20
●
Software and minimum software versions:
–
Base software
≥
V3.2.40
–
LTE signaling
≥
V3.2.70
–
Audio measurements
≥
V3.2.10
–
Data application software
≥
V3.2.30
For a functional test of the audio transmission, a handset is required (option R&S
CMW-Z50, only for
chapter 2.3.3.3, "Checking the Audio Transmission"
To perform a speech quality analysis, the following additional equipment is required
(only for
chapter 2.3.3.5, "Testing the Speech Quality with an R&S
●
Audio analyzer R&S
UPV with relevant software options
●
Audio cables for the following connections:
–
R&S
UPV, generator output
‒
UE, microphone input
–
UE, speaker output
‒
R&S
UPV, analyzer input
–
R&S
UPV, generator output
‒
R&S
CMW, AF IN
–
R&S
CMW, AF OUT
‒
R&S
UPV, analyzer input
For details, refer to the R&S
UPV documentation.
2.3.3.2
Setting up a VoLTE Call
The following sections describe in detail how to set up a voice over LTE call. We use
the default scenario, a standard SISO LTE cell. And we use the default RF connector,
RF 1 COM.
The following sections are based on each other. Please execute them in the given
order:
●
Connecting the UE and initializing the R&S
CMW
●
Configuring and starting the IMS server of the R&S
CMW
●
Configuring and switching on the LTE cell
●
Attaching the UE to the cell and registering it to the IMS server
●
Initiating a voice over LTE call
Connecting the UE and initializing the R&S
CMW
The instrument is already running. The UE is switched off.
1. Connect your UE to the RF 1 COM port of the instrument.
2. Press RESET and perform a global preset.
3. Enable the applications:
Application Sheets
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