LTE FDD
For Waveform Playback (ARB) capability.
This topic describes the settings of the CSI-RS node when the carrier is Basic Downlink.
Number of CSI-RS Antenna Ports
CSI-RS Subframe Configuration (I_CSI-RS)
CSI-RS Subframe Offset (Delta_CSI-RS)
Turns State on or off.
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:STATe ON|OFF|1|0 [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:STATe? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:STATe ON RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:STATe? |
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Dependencies |
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Preset |
0 |
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State Saved |
Yes |
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Initial S/W Revision |
A.20.01 |
Set a value, in dB for the Power.
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:POWer <real> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:POWer? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:POWer 0 RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:POWer? |
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Dependencies |
|
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Preset |
0 |
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State Saved |
Yes |
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Min |
-60 |
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Max |
20 |
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Initial S/W Revision |
A.20.01 |
When this setting is set to Manual, it enables you to set Number of CSI-RS Antenna Ports and CSI-RS Antenna Ports settings.
When this setting is set to Auto, Number of CSI-RS Antenna Ports and CSI-RS Antenna Ports settings are automatically set by software based on Total Number of Antennas.
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:ANTenna:CONFig AUTO|MANual [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:ANTenna:CONFig? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:ANTenna:CONFig AUTO RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:ANTenna:CONFig? |
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Preset |
AUTO |
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State Saved |
Yes |
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Initial S/W Revision |
A.20.01 |
Selects the number of antenna ports for CSI-RS signals.
This setting should be <= Total Number of Antennas.
Ref: 3GPP TS 36.211.
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:ANTenna:COUNt? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:ANTenna:COUNt? |
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Notes |
In case CSI-RS Antenna Configuration is Auto, this setting is automatically set by software as follows and is set read-only.
In case CSI-RS Antenna Configuration is Manual, you can change this setting manually. |
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Dependencies |
Read-only when CSI-RS Antenna Configuration is Auto |
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Preset |
1 |
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State Saved |
Yes |
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Min |
N/A |
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Max |
N/A |
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Initial S/W Revision |
A.20.01 |
Selects the antenna port for CSI-RS transmission. Available selections depend on Number of CSI-RS Antenna Ports.
Ref: 3GPP TS 36.211.
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:ANTenna:PORT? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:ANTenna:PORT? |
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Notes |
Available choices for this setting are as follows.
In case CSI-RS Antenna Configuration is Auto, this setting is automatically set by software as follows and is set read-only.
In case CSI-RS Antenna Configuration is Manual, you can change this setting manually. |
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Dependencies |
Read-only when CSI-RS Antenna Configuration is Auto |
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Preset |
Port 15 |
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State Saved |
Yes |
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Initial S/W Revision |
A.20.01 |
Sets CSI-RS configuration index.
Reference: 3GPP TS 36.211
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:CONFig <integer> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:CONFig? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:CONFig 0 RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:CONFig? |
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Notes |
Normal CP: 0-19 (1-2 ports), 0-9 (4 ports), 0-4 (8 ports). Extended CP: 0-15 (1-2 ports), 0-7 (4 ports), 0-3 (8 ports). |
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Dependencies |
Range coupled to Number of CSI-RS Antenna Ports and Cyclic Prefix. FDD and Normal CP case:
FDD and Extended CP case:
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Preset |
0 |
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State Saved |
Yes |
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Min |
0 |
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Max |
19 |
|
Initial S/W Revision |
A.20.01 |
Sets CSI-RS Subframe Configuration index which defines both CSI-RS Periodicity and CSI-RS Subframe Offset.
Reference: 3GPP TS 36.211
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:SUBFrame:CONFig <integer> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:SUBFrame:CONFig? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:SUBFrame:CONFig 0 RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:SUBFrame:CONFig? |
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Notes |
Subframes containing CSI reference signals shall satisfy (10 * SFN + Floor(Slot# / 2) - Delta_CSI-RS) mod T_CSI-RS = 0. CSI-RS Subframe Configuration has the range up to 14. I_CSI-RS 5-14: T_CSI-RS=10 subframes, Delta=I_CSI-RS - 5. |
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Dependencies |
Sets CSI-RS Periodicity (T_CSI-RS) and CSI-RS Subframe Offset (Delta_CSI-RS). |
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Preset |
0 |
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State Saved |
Yes |
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Min |
0 |
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Max |
154 |
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Initial S/W Revision |
A.20.01 |
Displays the CSI-RS Periodicity. Automatically set by CSI-RS Subframe Configuration.
Reference: 3GPP TS 36.211
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:PERiodicity? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:PERiodicity? |
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Notes |
Subframes containing CSI reference signals shall satisfy (10 * SFN + Floor(Slot# / 2) - Delta_CSI-RS) mod T_CSI-RS = 0. CSI-RS Periodicity has the range up to 10. I_CSI-RS = 0 to 4 case, T_CSI-RS = 5 I_CSI-RS = 5 to 14 case, T_CSI-RS = 10 |
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Dependencies |
This is a read-only setting automatically set by CSI-RS Subframe Configuration (I_CSI_RS). |
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Preset |
5 |
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State Saved |
Yes |
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Min |
N/A |
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Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays the CSI-RS Subframe Offset. Automatically set by CSI-RS Subframe Configuration.
Reference: 3GPP TS 36.211
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SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CSIRs:SUBFrame:OFFSet? |
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SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CSIRs:SUBFrame:OFFSet? |
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Notes |
Subframes containing CSI reference signals shall satisfy (10 * SFN + Floor(Slot# / 2) - Delta_CSI-RS) mod T_CSI-RS = 0. CSI-RS Subframe Offset has the range limitation up to 9. I_CSI-RS = 0 to 4 case, Delta_CSI-RS = I_CSI-RS I_CSI-RS = 5 to 14 case, Delta_CSI-RS = I_CSI-RS - 5 |
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Dependencies |
This is a read-only setting automatically set by CSI-RS Subframe Configuration (I_CSI_RS). |
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Preset |
0 |
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State Saved |
Yes |
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Min |
N/A |
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Max |
N/A |
|
Initial S/W Revision |
A.20.01 |