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GSM Signalling Measurements
CMU-K20/-K21/-K22/-K23/-K24
1115.6088.12 7.4
E-3
CMUGSM: CONF:NETW:REQ:IMSI OFF
Switch IMSI request off
CMUGSM: CONF:NETW:REQ:IMEI OFF
Switch IMEI request off
CMUGSM: CONF:NETW:REQ:AUTH OFF
Switch authentication request off
CMUGSM: CONF:NETW:REQ:HAND OFF
Switch handover request off
CMUGSM: CONF:NETW:SMOD:SCH FACC
Signalling via FACCH
CMUGSM: CONF:NETW:SMOD:PCH FAST
Fast power change (over FACCH)
FPRINT .............................................................................
FPRINT CONFIGURATION OF A SINGLE SHOT BER MEASUREMENT
FPRINT .............................................................................
CMUGSM:
CONF:RXQ:CONT:HTIM
0.2,0.0
Reduce holdoff times for AGC and
bit stream synchronization
CMUGSM:
CONF:RXQ:BER1:CONT:LEV:UTIM
-102.0
Absolute level in used timeslot
CMUGSM:
CONF:RXQ:BER1:CONT:LEV:UNT
-20.0
Relative level in unused timeslot
CMUGSM:
CONF:RXQ:BER1
:CONT:REP NONE,NONE
No stop on error
CMUGSM:
CONF:RXQ:BER1
:CONT BER,129
Bit error rate measurement over 129 frames
CMUGSM: CONF:RXQ:BER:TSET T1
Store configuration in test setup 1
FPRINT .............................................................................
FPRINT CONFIGURATION OF A SINGLE SHOT POWER MEASUREMENT
FPRINT .............................................................................
CMUGSM: CONF:POW:MPR:CONT SCAL,10
Scalar results, 10 bursts per statistics cycle
CMUGSM: CONF:POW:MPR:CONT:REP SING,NONE,NONE
Single shot measurement, no stop on error
FPRINT .............................................................................
FPRINT DEFINITION FOR BCCH BS POW: -85 dBm / Channel 5
FPRINT .............................................................................
CMUGSM: CONF:BSS:CCH:LEV -85.0;*OPC?
Absolute power of BCCH BS signal
CMUGSM: CONF:BSS:CCH:CHAN 30;*OPC?
Channel number of BCCH BS signal
FPRINT .............................................................................
FPRINT DEFINITION FOR TESTSET BS POW: -85 dBm (-102 dBm) / Channel 1 / PCL 5
FPRINT .............................................................................
CMUGSM: CONF:BSS:TCH:LEV:UTIM -85.0;*OPC?
Absolute power of TCH BS signal, used TS
CMUGSM: CONF:BSS:CHAN 1;*OPC?
Channel number of TCH BS signal
CMUGSM: CONF:NETW:POW 5;*OPC?
Power control level of the mobile
setting up a call
FPRINT .............................................................................
FPRINT GENERATING THE BCCH
FPRINT .............................................................................
CMUGSM: PROC:SIGN:ACT SON;*OPC?
Switch on BCCH signal
FPRINT .............................................................................
FPRINT WAIT FOR LOCATION UPDATE
FPRINT .............................................................................
REPORT OFF
WHILE CMUGSM: SENS:SIGN:STAT? <> SYNC
Wait until signalling state
Synchronized
is
reached, then go to next command
REPORT ON
FPRINT .............................................................................
FPRINT CALL PROCEDURE (CHECK IMSI IF THIS PROCEDURE FAILS)
FPRINT .............................................................................
CMUGSM: PROC:SIGN:ACT MTC;*OPC?
Initiate a mobile terminating call
FPRINT .............................................................................
FPRINT REDUCE THE BS POWER. THIS AFFECTS THE BER BUT NOT THE TX MEASUREMENTS
深圳德标仪器
135-1095-0799
Содержание CMU-K20
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