LTE TDD
For Waveform Playback (ARB) capability.
This topic describes the settings of the Downlink > ABS Settings node for an Advanced TDD Downlink carrier.
Sets whether to use ABS (Almost Blank Subframe) for the component carrier.
Off: ABS is disabled and its related settings are inactive.
On: ABS is available for the component carrier, and its related settings are active.
This setting is also available in the Carrier Aggregation node.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS[:STATe] ON|OFF|1|0 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS[:STATe]? |
|
SCPI Example |
:RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS[:STATe] OFF :RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS[:STATe]? |
|
Dependencies |
Controls the active/inactive state of ABS Pattern Info, PSS/SSS on ABS, and PBCH on ABS. When On, Transmission Configuration Length for all DL-SCH becomes read-only that is set to the same length as the Waveform Generation Length. |
|
Preset |
0 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Sets the ABS bit pattern for the corresponding component carrier. The length of the bitmap depends on the Uplink/Downlink Configuration setting:
UL/DL config 0: 1-70 bits
UL/DL configs 1-5 : 1-20 bits
UL/DL config 6 : 1-60 bits
Each bit position represents a subframe. 0 means ABS is not applied to the subframe; 1 means ABS is applied. The first position corresponds to subframe 0 where SFN = 0.
The ABS pattern is continuously repeated during the Transmission Configuration Length of the DL-SCH.
Per the 3GPP standards, ABS is designated as protected from inter-cell interference from the sending eNB.
This setting is also available in the Carrier Aggregation node.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PINFo:USER <string> [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PINFo:USER? |
|
SCPI Example |
:RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PINFo:USER "0000000000" :RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PINFo:USER? |
|
Dependencies |
Inactive until ABS State is On. Bitmap Length: (It depends on Uplink Downlink Configuration.)
Available Input Value: 0 | 1 |
|
Preset |
0000000000 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Enables or disables PSS/SSS during the ABS for the corresponding component carrier.
This setting is also available in the Carrier Aggregation node.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PSS[:STATe] ON|OFF|1|0 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PSS[:STATe]? |
|
SCPI Example |
:RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PSS[:STATe] OFF :RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PSS[:STATe]? |
|
Dependencies |
Inactive until ABS State is On. |
|
Preset |
1 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |
Enables or disables PBCH during the ABS for the corresponding component carrier.
This setting is also available in the Carrier Aggregation node.
|
SCPI Command |
[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PBCH[:STATe] ON|OFF|1|0 [:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:ABS:PBCH[:STATe]? |
|
SCPI Example |
:RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PBCH[:STATe] OFF :RADio:LTETdd:WAVeform:CCARrier:DLINk:ABS:PBCH[:STATe]? |
|
Dependencies |
Inactive until ABS State is On. |
|
Preset |
1 |
|
State Saved |
Yes |
|
Min |
N/A |
|
Max |
N/A |
|
Initial S/W Revision |
A.20.01 |