LTE FDD

CFI (Downlink E-UTRA)

For Waveform Playback (ARB) capability.

This topic describes the settings of the CFI node when the carrier is Downlink E-UTRA.

Turns the CFI channel state On or Off.

SCPI Command	[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:STATe ON\|OFF\|0\|1 [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:STATe?
SCPI Example	RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:STATe ON RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:STATe?
Choices	ON \| OFF
Preset	1
State Saved	Yes
Min	N/A
Max	N/A
Initial S/W Revision	A.20.01

Sets the power level for the CFI channel.

SCPI Command	[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:POWer <rel_ampl> [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:POWer?
SCPI Example	RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:POWer 0 RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:POWer?
Notes	Power level, in dB relative to the reference signal power.
Preset	0
State Saved	Yes
Min	-60
Max	20
Initial S/W Revision	A.20.01

Turns scrambling On or Off for the CFI channel.

SCPI Command	[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:SCRambling ON\|OFF\|0\|1 [:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:SCRambling?
SCPI Example	RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:SCRambling ON RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:SCRambling?
Choices	ON \| OFF
Preset	1
State Saved	Yes
Min	N/A
Max	N/A
Initial S/W Revision	A.20.01

Query only

Displays the Control Format Indicator value for each slot.

SCPI Command	[:SOURce]:RADio:LTEFdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:CFI:VALues?
SCPI Example	RADio:LTEFdd:WAVeform:CCARrier:DLINk:CFI:VALues?
Notes	Values correspond to the number of OFDM symbols used for PDCCH transmission in a subframe. Set via PDCCH Allocations.
Preset	"3,3,3,3,3,3,3,3,3,3"
State Saved	No
Min	N/A
Max	N/A
Initial S/W Revision	A.20.01