Message

These settings control the PRACH message functionality.

For more information, refer to the Multi PRACH Settings tab and to the PRACH Structure tab.

1. General Settings	2. Transmission Settings	3. Control Part Settings	4. Data Part Settings
State State (Multiple PRACH Mode) Power (Control Part + Data Part)	Power Setup Mode Transmission Message Power Transmission Message Power (Multiple PRACH Mode) Pp-m Pp-m (Multiple PRACH Mode) Tp-m	Power Data Channel Code Slot Format Symbol Rate TFCI State TFCI Data	Power Data Channel Code Slot Format Symbol Rate

1. General Settings

2. Transmission Settings

3. Control Part Settings

4. Data Part Settings

State

State (Multiple PRACH Mode)

Power (Control Part + Data Part)

Power Setup Mode

Transmission Message Power

Transmission Message Power (Multiple PRACH Mode)

Pp-m

Pp-m (Multiple PRACH Mode)

Message Configuration Summary Table

This section defines the Settings Current and Apply Needed buttons. Only one button is available at any time. These buttons are available in all of the W-CDMA/HSPA+ Uplink's tree nodes.

	This button indicates that the current real-time settings have been applied to the instrument. No action is required.
	This button indicates that the instrument settings are not current and need to be updated to be applied to the instrument. Click this button to update the instrument's settings. [:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:APPLy [:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:APPLy?
	Begins the PRACH transmission. This button is active when the PRACH Start Trigger Source is set to Trigger in the PRACH node. [:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:TRIGger[:SEND]

This button indicates that the current real-time settings have been applied to the instrument. No action is required.

This button indicates that the instrument settings are not current and need to be updated to be applied to the instrument. Click this button to update the instrument's settings.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:APPLy

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:APPLy?

Begins the PRACH transmission. This button is active when the PRACH Start Trigger Source is set to Trigger in the PRACH node.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:TRIGger[:SEND]

1. General Settings

State

Choice: On | Off | AICH

Default: On

Sets the state of the PRACH message part. The "AICH" selection enables the acquisition indication channel (AICH) preamble power ramping mode.

On	This choice enables the message part to be generated after the number of preambles are generated. The “Number of Preamble” must be specified.
Off	This choice does not allow the message part to be generated. Only the preambles are transmitted.
AICH	This choice enables the acquisition indication channel preamble power ramping mode.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage[:STATe] ON|OFF|AICH

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage[:STATe]?

If you select PRACH message part, use this query to verify the state status.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk[:TGRoup[1]]:RACH[1][:STATe]?

State (for Multiple PRACH Mode)

Choice: On | Off

Default; On

Sets the state of the PRACH message part for the multiple PRACH generation mode.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:MESSage[:STATe] 0|1|ON|OFF

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:MESSage[:STATe]?

If you select PRACH message part (Multi), use this query to verify the state status.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk[:TGRoup[1]]:RACH[1][:STATe]?

Power (Control Part + Data Part)

Shows the message total power dB accumulated the message control part power dB and the message data part power dB.

2. Transmission Settings

Power Setup Mode

Choice: Pp-m | Total

Default: Pp-m

Sets the message part power setup mode. The Pp-m selection defines the message power from Pp-m (power difference from the preamble power to the message control part power). The Total selection defines the message power from the total message power.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:PREamble:POWer:MODE PPM|TOTal

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:PREamble:POWer:MODE?

Transmission Message Power

Range: –144 to 30 (dB)

Default: –1.44E+002 dB

Sets the message total power value for the signal PRACH mode. This value is used when Power Setup Mode is "Total".

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:TPOWer <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:TPOWer?

Transmission Message Power (Multiple PRACH Mode)

Range: -162.06 to 20 (dB)

Default: 0 dB

Sets the message total power value for the multiple PRACH mode. This value is used when the Power Setup Mode is set to "Total". This value indicates the power of one PRACH.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:MESSage:TPOWer <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:MESSage:TPOWer?

Pp-m

Range: –20 to 10 (dB)

Default: –4.56 dB

Sets Pp-m (the power difference from the last preamble power to the power of the message control part).

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:PREamble:PPM <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:PREamble:PPM?

Pp-m (for Multiple PRACH Mode)

Range: –20 to 10 (dB)

Default: –4.56 dB

Sets Pp-m (the power difference between the preamble and the message control part in PRACH) for the multiple PRACH generation mode.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:PREamble:PPM <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:MULTi:PREamble:PPM?

Tp-m

Range: 1 to 15 (Access Slot)

Default: 3 Access Slots

Sets Tp-m (timing duration preamble to message part in access slots).

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:TPM <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:TPM?

3. Control Part Settings

Power

Range: –40 to 0 (dB)

Default: –2.69 dB

Sets the power level of the PRACH message control part.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:POWer <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:POWer?

Data

Default: Standard

Edit the Data of the PRACH message control part by clicking on the cell. Then click on the dialog box icon to launch the Closed Data dialog box .

When loading a user file through the software's Data dialog box, the MXG/EXG requires an ASCII text file consisting of 1s and 0s. When using SCPI commands, all instruments require a binary data file.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA PN9|PN15|FIX4|PATTern|"<filename>"|STD

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA?

If you select <"filename">, PATTern or FIX4, use the following commands to create the pattern:

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA:FIX4 <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA:FIX4?

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA:PATTern <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:DATA:PATTern?

Channel Code

Range: 0 to 255

Default: 15

Sets the channelization code for the PRACH message control part.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:CCODe <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:CCODe?

Slot Format

Default: 0

Indicates the message control part slot format for PRACH.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:SLOTformat?

Symbol Rate

Default: 15 ksps

Indicates the Symbol Rate (symbol per second: sps) for PRACH Message-Control part. This value is fixed to 15 ksps.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:RATE?

TFCI State

Default: On

Indicates the state of the transport format combination indicator (TFCI) bits.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:TFCI[:STATe]?

TFCI Data

Choices: PN9 | PN15 | FIX | Custom Pattern | User File

Default: FIX [10-bit] (0)

FIX Range: 0 to 1023 (0x3FF), Default: 0

Sets a bit pattern to be inserted into the transport format combination indicator (TFCI).

Example: When using Custom Pattern choice, for a HEX value of 3, in the TFCI Data dialog window enter: 11 or 0000000011.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

If you select <"filename">, PATTern or FIX4, use the following commands to create the pattern:

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:TFCI:PATTern PN9|PN15|FIX|PATTern|"<filename>"

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:PATTern?

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:TFCI:PATTern:FIX <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPAR:TFCI:PATTern:FIX?

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:TFCI:PATTern:PATTern <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:CPARt:TFCI:PATTern:PATTern?

4. Data Part Settings

Power

Range: –40 to 0 (dB)

Default: 0 dB

Sets the power level of PRACH message data part.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:POWer <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:POWer?

Data

Default: RACH

Edit the Data type to be inserted into PRACH message data part by clicking on the cell. Then click on the dialog box icon to launch the Closed Data dialog box.

When loading a user file through the software's Data dialog box, the MXG/EXG requires an ASCII text file consisting of 1s and 0s. When using SCPI commands, all instruments require a binary data file.

Custom Pattern	Sets the Transmission Power Control (TPC) data pattern to Custom Pattern. The value of this command is a string which is represented ‘0’ or ‘1’. The maximum data length is 3,840 patterns.
User Data	This variable specifies a data pattern that has been stored in memory.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:DATA?

If you select <"filename">, PATTern or FIX4, use the following commands to create the pattern::

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:DATA:FIX4 <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:DATA:FIX4?

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:DATA:PATTern <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:DATA:PATTern?

Channel Code

Range: 0 to 255 (Slot format = 0), 0 to 127 (Slot format = 1), 0 to 63 (Slot format = 2), 0 to 31 (Slot format = 3)

Default: 0

Sets the channelization code for the PRACH message data part.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:CCODe <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:CCODe?

Slot Format

Range: 0 to 3

Default: 2

Sets the slot format for the message data part of PRACH.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:SLOTformat <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:SLOTformat?

Symbol Rate

Selection: 15 ksps | 30 ksps | 60 ksps | 120 ksps

Default: 60 ksps

Sets the Symbol Rate (symbol per second: sps) for PRACH Message-Data part. This value is coupled to Slot Format.

If the parameter set by the following command is changed while the signal is active, the :ULINk:APPLy command or Apply Needed () button must be executed for the change to occur.

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:RATE <val>

[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh[:SINGle]:MESSage:DPARt:RATE?