Real Time

cdma2000

These settings control the real-time baseband and cdma2000 Reverse Link Channel Settings.

1. General

State

Choice: On | Off

Sets the operating state of the channel.

[:SOURce]:RADio:CDMA2000[:BBG]:[STATe] 1|0|ON|OFF

[:SOURce]:RADio:CDMA2000[:BBG]:[STATe]?

Long Code State (Hex)

Long Code is a PN Sequence that is used for scrambling on the Forward CDMA channels and spreading on the Reverse CDMA channels.

Range: 0x00000000000 to 0x3FFFFFFFFFF

Sets the long code state of the link, which allows a 42-bit binary number to be entered .

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:LCSTate <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:LCSTate?

Long Code Mask (Hex)

Long Code Mask is a 42-bit binary number that creates the unique identity of the long code.

Range: 0x00000000000 to 0x3FFFFFFFFFF

Sets the long code mask of the link.

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:LCMask <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:LCMask?

Chip Rate

Range: 1kcps to 1.300 Mcps

Default: 1.228800 Mcps

Sets the chip rate of the link. The default value (1.228800 Mcps) is in accordance with the IS-2000 specification.

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:CHIPrate <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:CHIPrate?

Link Type

Choice: Forward | Reverse

Sets the link type of the cdma2000 system. It only supports the reverse link in this version.

Filter

Choice: Root Nyquist | Nyquist | Gaussian | Rectangle | IS95 | IS95 w/EQ | IS95 Mod | IS95 Mod w/EQ | UN3/4 GSM Gaussian |User FIR Filter | User File

Default: Root Nyquist

Edit the Filter Type for the cdma2000 link by clicking on the cell. Then click on the dialog box icon to launch the Filter Setup Dialog box.

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer RNYQuist|NYQuist|GAUSsian|RECTangle|IS95|IS95_EQ|IS95_MOD|IS95_MOD_EQ|AC4Fm|UGGaussian|"<user FIR>"bnnb hnb

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer?

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:ALPHa <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:ALPHa?

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:BBT <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:BBT?

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:CHANnel EVM|ACP

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:FILTer:CHANnel?

Operating Mode

Choice: RadioConfig 1/2 Traffic | RadioConfig 1/2 Access | RadioConfig 3/4 Traffic | RadioConfig 3/4 Enhanced Access | RadioConfig 3/4 Common Control

Sets the operating mode of the link.

[:SOURce]:RADio:CDMA2000[:BBG]:LMODe RT12|RA12|RT34|RE34|RC34

[:SOURce]:RADio:CDMA2000[:BBG]:LMODe?

Even Second Delay (chips)

Range: 0.5 to 128

The even second clock pulse sets the delay to align the RF with the trigger. When the noise function is set to ON, this value will increase.

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:ESDelay <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:ESDelay?

Trigger Advance (chips)

Range: 0 to 2457599

Sets the number of chips to advance the trigger time slot for the reverse link.

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:TADVance <val>

[:SOURce]:RADio:CDMA2000[:BBG]:REVerse:TADVance?