LTE FDD
For Waveform Playback (ARB) capability.
This topic describes the settings of the Cell Parameters node when the carrier is Basic Downlink.
Reference Signal Transmit Power (RSTP)
OFDM Symbol Transmit Power (OSTP)
Total Number of Resource Blocks
Total Number of Occupied Sub-carriers
Number of Subcarriers for Resource Block
Number of Symbols for Resource Block
Sets a value for Cell ID. The PathWave Signal Generator software sets Physical Layer Cell ID Group and Physical Layer Cell ID Sector based on this value.
Reference: 3GPP TS 36.211
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CIDentity <integer> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CIDentity? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CIDentity 1 RADio:LTEFdd:WAVeform:CCARrier:DLINk:CIDentity? |
|
Notes |
Formula: Cell ID = (3 x Physical Cell ID Group) + Physical Cell ID Sector. |
|
Dependencies |
Sets Physical Layer Cell ID Group and Physical Layer Cell ID Sector. |
|
Preset |
1 |
|
State Saved |
Yes |
|
Min |
0 |
|
Max |
503 |
|
Initial S/W Revision |
A.20.01 |
Displays the Physical Layer Cell ID Group. Value set by software based on Cell ID.
Reference: 3GPP TS 36.211
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CIDentity:GROup? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CIDentity:GROup? |
|
Notes |
Formula: Cell ID = (3 x Physical Cell ID Group) + Physical Cell ID Sector. Range: 0 to 167 (related to cell ID) |
|
Dependencies |
Coupled to Cell ID. |
|
Preset |
0 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays the Physical Layer Cell ID Sector. Value set by software based on Cell ID.
Reference: 3GPP TS 36.211
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CIDentity:SECTor? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CIDentity:SECTor? |
|
Note |
Formula: Cell ID = (3 x Physical Cell ID Group) + Physical Cell ID Sector. Range: 0 | 1 | 2 |
|
Dependencies |
Coupled to Cell ID. |
|
Preset |
1 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Sets system bandwidth and number of Resource Blocks. The PathWave Signal Generator Software automatically adjusts Total Number of Resource Blocks and Total Number of Occupied Sub-carriers.
Resource blocks and parameters are reconfigured when bandwidth changes.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BANDwidth B1M4|B3M|B5M|B10M|B15M|B20M [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BANDwidth? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:BANDwidth B10M RADio:LTEFdd:WAVeform:CCARrier:DLINk:BANDwidth? |
|
Dependencies |
Sets Total Number of Resource Blocks, Total Number of Occupied Sub-carriers, and Base Sampling Rate. |
|
Preset |
B10M |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Specifies the total number of physical antenna port configurations for the downlink transmission.
Combination with Number of CRS Antenna Ports determines reserved resource elements for cell-specific reference signals.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:APORts:COUNt 1|2|4|8 [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:APORts:COUNt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:APORts:COUNt 1 RADio:LTEFdd:WAVeform:CCARrier:DLINk:APORts:COUNt? |
|
Dependencies |
|
|
Preset |
1 |
|
State Saved |
Yes |
|
Min |
1 |
|
Max |
8 |
|
Initial S/W Revision |
A.20.01 |
Specifies physical antenna port for transmitting downlink signals. Available selections are determined by Total Number of Antennas.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:APORt <integer> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:APORt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:APORt 0 RADio:LTEFdd:WAVeform:CCARrier:DLINk:APORt? |
|
Notes |
When:
|
|
Preset |
0 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Selects the power definition type for primary cell. Secondary cells (read-only) automatically use the same type.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:POWer:DEFinition TOT|RSTP [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:POWer:DEFinition? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:POWer:DEFinition TOT RADio:LTEFdd:WAVeform:CCARrier:DLINk:POWer:DEFinition? |
|
Dependencies |
All carriers in the aggregation must use the same Power Definition Type. This setting controls read-only state of RSTP and Power. |
|
Preset |
TOT |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Sets the Reference Signal Transmit Power. Automatically calculated from Amplitude, Power, and carrier signal settings.
Reference: 3GPP TS 36.141
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:RSTP? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:RSTP? |
|
Dependencies |
Editable only when Power Definition Type is RSTP. |
|
Preset |
-40.79 |
|
State Saved |
Yes |
|
Min |
-144 (if power def is RSTP) |
|
Max |
10 (if power def is RSTP) |
|
Initial S/W Revision |
A.20.01 |
Displays the OFDM Symbol Transmit Power. Value set by software.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:OSTP? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:OSTP? |
|
Dependencies |
If Cyclic Prefix is set to Extended, then OFDM is not visible. |
|
Preset |
-13.01 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays the total number of resource blocks. The value for this setting is set by the software based on the System Bandwidth setting.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:RB:COUNt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:RB:COUNt? |
|
Preset |
50 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays the total number of occupied sub-carriers. The value for this setting is set by the software based on the System Bandwidth setting.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:SCARrier:COUNt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:SCARrier:COUNt? |
|
Notes |
The center subcarrier is not used for downlink transmission. So, the number of transmitted subcarriers is one less than the number of occupied subcarriers. |
|
Preset |
601 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays subcarrier spacing for downlink. Only 15 kHz supported in this release.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:SCARrier:SPACing? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:SCARrier:SPACing? |
|
Preset |
15 kHz |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Selects Normal or Extended cyclic prefix. The PathWave Signal Generator software sets Number of Symbols for Resource Block based on this selection.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CP NORMal|EXTended [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CP? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:CP NORM RADio:LTEFdd:WAVeform:CCARrier:DLINk:CP? |
|
Preset |
NORM |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Displays the number of consecutive subcarriers in downlink resource block. This is always 12.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:RB:SCARrier:COUNt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:RB:SCARrier:COUNt? |
|
Preset |
12 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Displays the number of consecutive OFDM symbols in the downlink slot.
|
SCPI Command |
[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:RB:SYMBol:COUNt? |
|
SCPI Example |
RADio:LTEFdd:WAVeform:CCARrier:DLINk:RB:SYMBol:COUNt? |
|
Notes |
The value for this setting is set by the software based on Cyclic Prefix (Normal=7, Extended=6). |
|
Preset |
7 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |