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Chapter 5 165
CDMA Measurements - Screens and Control Fields
Control Fields for CDMA Measurements
Phse
This field displays the results of the code domain phase measurement.
This field is displayed on the CODE DOM screen when the
Measurement field is set to Phase.
For more information about the code domain phase measurement see
“Code Domain Phase (Phse)” on page 141.
Screens on which this field is present
CODE DOM (Code Domain Analyzer, IS-95 only)
PN Incrment
This value is used to calculate the PN offset for the system. This field is
displayed for EVM or Rho measurements when the Find PN field is set
to Auto.
If you know the PN increment for the system you are testing, you can
enter it in this field (this speeds the PN offset calculation). Enter 1 in
this field if the PN increment is unknown.
Screens on which this field is present
CDMA ANALYZER
CODE DOM (Code Domain Analyzer): PN setup controls menu
PN Offset
This field is displayed for EVM or Rho measurements when the
Find PN field is set to Manual.
Use this field to enter the PN sequence offset index for your base
station. Each whole offset is equal to 64 chips (= 52.08 µs). Fractional
values are rounded off, and can be entered, in increments of 0.015625
(1 chip). Once entered, this value is shared by all CDMA screens.
This value is used by the analyzer when the Even Sec In field on the
CDMA GENERATOR screen is set to Enable.
If the PN offset is unknown, the Test Set can calculate the PN offset
using the PN increment. See “PN Incrment” on page 165
NOTE
When the Even Sec In field is set to Not, changes to the PN Offset
field have no effect on the analyzer.
Screens on which this field is present
CDMA ANALYZER
CODE DOM (Code Domain Analyzer): PN setup controls menu