398 Chapter 14
Real Time TDMA Formats
Enhanced Observed Time Difference (E-OTD)
Setup the ESG to have a non-combined broadcast channel in slot 0, a dummy burst in slot 1, and the other
time slots will have a normal burst with a PN9 sequence in the payload fields.
Turn each time slot on and select TSC0 for the training bit sequence.
:RADio:GSM:SLOT0:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT1:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT2:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT3:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT4:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT5:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT6:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT7:NORMal:TSEQuence TSC3
:RADio:GSM:SLOT0:STATe ON
:RADio:GSM:SLOT1:STATe ON
:RADio:GSM:SLOT2:STATe ON
:RADio:GSM:SLOT3:STATe ON
:RADio:GSM:SLOT4:STATe ON
:RADio:GSM:SLOT5:STATe ON
:RADio:GSM:SLOT6:STATe ON
:RADio:GSM:SLOT7:STATe ON
Setup the public land mobile network and base station color code values.
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:PLMN 2
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:BCC 3
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:CELLid 4
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:MNC 2
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:MCC 2
:RADio:GSM:SLOT0:NORMal:ENCRyption:BCH:LAC 4
Set the trigger mode to continuous, the trigger type to “trigger and run”, and setup the ESG to accept an
external trigger on EPT1.
:RADio:GSM:TRIGger:TYPE CONT
:RADio:GSM:TRIGger:TYPE:CONTinuous:TYPE TRIGger
:RADio:GSM:TRIGger EXT
:RADio:GSM:TRIGger:EXTernal:SOURce EPT1
Turn the GSM modulation format and RF to ON.
:OUTPut:STATe 1
:SOURce:RADio:GSM:STATe ON
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