LTE TDD
For Waveform Playback (ARB) capability.
This topic describes the settings of the Downlink > Cell Parameters node for a Basic TDD carrier.
Reference Signal Transmit Power (RSTP)
OFDM Symbol Transmit Power (OSTP)
Turns the downlink transmission on or off.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:STATe ON|OFF|1|0 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:STATe? |
|
SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:STATe ON RADio:LTETdd:WAVeform:CCARrier:DL:STATe? |
|
Preset |
On |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Sets the total number of antennas for downlink transmission. Determines which Antenna Port values are available.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:APORts:COUNt AT1|AT2|AT4|AT8 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:APORts:COUNt? |
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SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:APORts:COUNt AT1 RADio:LTETdd:WAVeform:CCARrier:DL:APORts:COUNt? |
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Couplings |
Drives the available Antenna Port selections. |
|
Preset |
AT1 |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Selects the antenna port used for downlink transmission.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:APORt PORT0|PORT1|PORT2|PORT3|PORT4|PORT5|PORT6|PORT7 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:APORt? |
|
SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:APORt PORT0 |
|
Couplings |
The available port selections are determined by Total Number of Antennas. |
|
Preset |
PORT0 |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Sets the power reference for the downlink.
TOTal: Total power is the reference and RSTP and OSTP are derived.
RSTP: RSTP is the reference and OSTP and total power are derived.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:POWer:DEFinition TOTal|RSTP [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:POWer:DEFinition? |
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SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:POWer:DEFinition TOTal RADio:LTETdd:WAVeform:CCARrier:DL:POWer:DEFinition? |
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Notes |
When TOTal: RSTP and OSTP are read-only. When RSTP: Total Carrier Power and OSTP are derived. |
|
Dependencies |
Controls read/write state of RSTP and drives OSTP. |
|
Preset |
TOTal |
|
State Saved |
Yes |
|
Initial S/W Revision |
A.20.01 |
Displays the reference signal transmit power, in dBm.
See 3GPP TS 36.141.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:RSTP? [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:RSTP <rel_ampl> |
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SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:RSTP -144 RADio:LTETdd:WAVeform:CCARrier:DL:RSTP? |
|
Dependencies |
This setting is editable when Power Definition is set to RSTP otherwise it is read-only. |
|
Couplings |
Derived from Power Definition Type, carrier power, and signal settings. |
|
Preset |
-40.79 dBm |
|
State Saved |
No |
|
Min |
-144 |
|
Max |
-15 |
|
Initial S/W Revision |
A.20.01 |
Query only
Displays the OFDM symbol transmit power, in dBm.
See 3GPP TS 36.141.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DL:OSTP? |
|
SCPI Example |
RADio:LTETdd:WAVeform:CCARrier:DL:OSTP? |
|
Couplings |
Read-only. Derived from Power Definition Type, carrier power, and signal settings. |
|
Preset |
-13.01 dBm |
|
State Saved |
No |
|
Initial S/W Revision |
A.20.01 |