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Programming Information ESG-D Series Option H98 Signal Generators

Wideband CDMA Subsystem SCPI Command Reference

5-26 Manual Supplement

Uplink Long Code

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:CHANnel[1]|2|3:

LCODe <value>

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:CHANnel[1]|2|3:LCODe?

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MCOD:LCODe <value>

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MCOD:LCODe?

Execute this command to enter the long code for the uplink channels.

In multicode mode, all of the multicodes use the same long code.

Long code number changes are not applied to the waveform until long code reset,

1280 chips before the end of System Frame Number 2

−1.

Long code reset only occurs when:

• the W-CDMA operating state is toggled,

• the transmission link direction is toggled,

• the internal System Frame Number transitions from SFN 2

−1 to SFN 0,

• or when externally triggered by a BTS reference SFN reset input (a low to high

transition at the PATTERN TRIG IN rear-panel connector).

Other setup changes in uplink mode such as short code, data rate, channel type, or time

offset will not affect the long code or long code phase.

Range:

0 to 1FFFFFFFFFF (hexadecimal)

Status after *RST: 1

Uplink Mode, Channel or Multicode

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MODE CHANnel|MCOD

[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MODE?

Execute this command to toggle the uplink operating mode between channel and

multicode mode.

CHANnel Selects channel as the uplink transmission mode.

In channel mode, three uplink channels are available. Channel 1 includes

the following selectable parameters:

• operating state,

• channel type,

• symbol rate,

• short code,

• data pattern,

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