LTE TDD

BCH Downlink (Advanced TDD Downlink)

For Waveform Playback (ARB) capability.

This topic describes the settings of the Downlink > BCH node for an Advanced TDD Downlink carrier.

Channel Number

State

Power

Scrambling

Auto Master Information Block

Coding State

Data

Data User Defined

Payload Size (bits)

SFN Start Number

Channel Number

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:CHANnel?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:CHANnel?

Notes

 

Dependencies

Read-only. Fixed channel number.

Couplings

 

Preset

1

State Saved

No

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

State

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH[:STATe] ON|OFF|1|0

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH[:STATe]?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:STATe ON

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:STATe?

Preset

1

State Saved

Yes

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Power

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:POWer <rel_ampl>

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:POWer?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:POWer 0

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:POWer?

Notes

Power relative to average subcarrier power (dB).

Range : -60 to 20 db

Preset

0

State Saved

Yes

Min

-60

Max

20

Initial S/W Revision

A.20.01

Scrambling

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:SCRamble ON|OFF|1|0

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:SCRamble?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:SCRamble ON

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:SCRamble?

Preset

1

State Saved

Yes

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Auto Master Information Block

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:AUTO:MIB ON|OFF|1|0

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:AUTO:MIB?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:AUTO:MIB ON

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:AUTO:MIB?

Couplings

When ON, Coding State and Data are set automatically (read-only).

Preset

1

State Saved

Yes

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Coding State

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:CODing ON|OFF|1|0

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:CODing?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:CODing ON

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:CODing?

Dependencies

Read-only when Auto Master Information Block is ON.

Preset

1

State Saved

Yes

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Data

If Auto Master Information Block is ON, then Data value is set to Auto-configured Bits. And when Auto Master Information Block is Off, then Data value is set to PN9 and the range is PN9|PN15|USER only.

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:DATa PN9|PN15|ACONfig

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:DATa?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:DATa

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:DATa?

Dependencies

Read-only when Auto Master Information Block is ON.

Preset

PN9

State Saved

No

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Data User Defined

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:DATa:USER <string>

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:DATa:USER?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:DATa:USER "Auto"

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:DATa:USER?

Dependencies

Read-only when Auto Master Information Block is ON.

Preset

Auto

State Saved

No

Min

N/A

Max

N/A

Initial S/W Revision

A.20.01

Payload Size (bits)

Query only

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:PLOad:SIZe?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:PLOad:SIZe?

Notes

Fixed at 24 bits per 3GPP TS 36.212.

Dependencies

Read-only. Set by software.

Preset

  • 24 (if Coding State is On)

  • 1920(If Coding State is Off)

State Saved

No

Min

1

Max

1920

Initial S/W Revision

A.20.01

SFN Start Number

SCPI Command

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:SFN:STARt <integer>

[:SOURce]:RADio:LTETdd:WAVeform[:ARB]:CCARrier<channel>:DLINk:BCH:SFN:STARt?

SCPI Example

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:SFN:STARt 0

:RADio:LTETdd:WAVeform:ARB:CCARrier:DLINk:BCH:SFN:STARt?

Notes

 

Dependencies

Read-only when Auto Master Information Block is OFF.

Preset

0

State Saved

Yes

Min

0

Max

255

Initial S/W Revision

A.20.01

Carrier Advanced TDD Downlink ARB

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