User's Manual

Table Of Contents
Troubleshooting: Transmit ATP – continued
FEB 2005 1X SC 4812T Lite BTS Optimization/ATP 6-19
PRELIMINARY
Table 6-17: Rho and Pilot Time Offset Measurement Failure Troubleshooting Procedure
n ActionStep
7 If the Rho Value is unstable and varies considerably (e.g. .95,.92,.93), it may indicate that the
GPS is still Phasing (trying to reach and maintain 0 Frequency Error).
7a Go to the Frequency Bar in the upper right corner of the Rho Meter and select Hz.
7b Press <Shift–avg> and enter 10, to obtain an average Rho Value.
This is an indication the GPS has not stabilized before going INS and may need to be
re-initialized.
Cannot Perform Code Domain
Power and Noise Floor
Measurement
Table 6-18: Code Domain Power and Noise Floor Measurement Failure Troubleshooting Procedure
n Step Action
1 Verify the presence of the RF Signal by switching to the Spectrum Analyzer Screen on the
Communications System Analyzer.
2 Verify that the PN Offset displayed on analyzer is the same as the PN Offset being used in the
CDF File.
3 Disable and re-enable the MCC (one or more MCC Cards based on the extent of the failure).
6