User's Manual

Individual Acceptance Tests
68P09255A69-3
Aug 2002
1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x
PRELIMINARY
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Individual Acceptance Tests
The following individual ATP tests can be used to evaluate specific
aspects of BTS operation against individual performance requirements.
All testing is performed using the LMF GUI environment.
TX Testing
TX tests verify any given transmit antenna path and output power
control. All tests are performed using the external, calibrated test
equipment. All measurements are made at the appropriate BTS TX OUT
connector(s).
TX tests verify TX operation of the entire CDMA forward link using
selected BBXs assigned to respective sector antennas. Each BBX is
keyed up to generate a CDMA carrier (using both
bbxlevel and BLO)
at the CDF file-specified carrier output power level.
RX Testing
RX testing verifies receive antenna paths for BBXs selected for the test.
All tests are performed using the external, calibrated test equipment to
inject a CDMA RF carrier with all zero longcode at the specified RX
frequency at the appropriate BTS RX IN connector(s).
RX tests verify RX operation of the entire CDMA reverse link using all
equipped MCCs assigned to all respective sector/antennas.
Individual Tests
Spectral Purity TX Mask
This test verifies that the transmitted CDMA carrier waveform generated
on each sector meets the transmit spectral mask specification (as defined
in IS-97) with respect to the assigned CDF file values.
Waveform Quality (Rho)
This test verifies that the transmitted Pilot channel element digital
waveform quality (rho) exceeds the minimum specified value in IS-97.
Rho represents the correlation between the actual and perfect CDMA
modulation spectrums. 1.0000 represents 100% (or perfect correlation).
Pilot Time Offset
The Pilot Time Offset is the difference between the communications
system test set measurement interval (based on the BTS system time
reference) and the incoming block of transmitted data from the BTS
(Pilot only, Walsh code 0).
Code Domain Power/Noise Floor
This test verifies the code domain power levels, which have been set for
all ODD numbered Walsh channels, using the OCNS command. This is
done by verifying that the ratio of PILOT divided by OCNS is equal to
10.2 +
2 dB, and, that the noise floor of all EVEN numbered “OFF”
Walsh channels measures <
-27 dB for IS-95A/B and CDMA2000 1X
with respect to total CDMA channel power.
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