Last Updated: August 29, 2007
This topic describes the Peak Code Domain Error measurement. Peak Code Domain Error is a measurement in the Dedicated Physical Channel measurement suite.
3GPP TS 34.122 section 5.7.2 states:
"The Peak Code Domain Error is computed by projecting power of the error vector onto the code domain at a specific spreading factor. The Code Domain Error for every code in the domain is defined as the ratio of the mean power of the projection onto that code, to the mean power of the composite reference waveform. This ratio is expressed in dB. The Peak Code Domain Error is defined as the maximum value for the Code Domain Error for all codes. "
The limit and the test tolerance are settable for this measurement.
Peak Code Domain Error is a measurement in the Dedicated Physical Channel measurement suite. See Dedicated Physical Channel Measurement Suite Measurement Parameters for details of the parameters that apply to measurements in the suite.
Peak Code Domain Error is a measurement in the Dedicated Physical Channel measurement suite. See Dedicated Physical Channel Measurement Suite Measurement Limits for details of the limits parameters that apply to measurements in the suite.
Results for the Peak Code Domain Error measurement are shown on the test set's front panel in the Dedicated Physical Channel Suite Results' Summary tab.
The front panel result provides the pass/fail result, the Peak Code Domain Error (PCDE) measurement result in dB, and the code channel at which it occurs (Cch,Spreading Factor,Channelization Code). The following figure is an example PCDE measurement result.
This result provides the integrity indicator for the Dedicated Physical Channel measurement suite. Normal indicates that the measurement completed successfully without error and the result is accurate. For details of other integrity indicators, see Measurement Integrity Indicator.
SCPI command:FETCh:TDPChannel:PCERror[:BURSt[1]][:PARTial]?, FETCh:TDPChannel:PCERror[:BURSt[1]]:ALL? (the integrity result is the first value in the array returned by these commands), or FETCh:TDPChannel:INTegrity?
This result provides the pass/fail result for the Peak Code Domain Error measurement. If Enable Test Tolerances is On, this measurement will pass if the measured Peak Code Domain Error does not exceed the sum of the Limit Value and Test Tolerance Level. Otherwise, this measurement will pass if the measured Peak Code Domain Error does not exceed the sum of the Limit Value.
SCPI command: FETCh:TDPChannel:PCERror[:BURSt[1]][:PARTial]?, FETCh:TDPChannel:PCERror[:BURSt[1]]:ALL? (the pass/fail result is the second value in the array returned by these commands)
This result provides the maximum Peak Code Domain Error measurement result in dB. If the Multi-Measurement Count is enabled, the worst case maximum Peak Code Domain Error is returned.
SCPI command: FETCh:TDPChannel:PCERror[:BURSt[1]]:ALL?(the Peak Code Domain Error result is the third value in the array returned by this command)
This result provides the Channelization Code where the Peak Code Domain Error measurement result occurred.
SCPI command: FETCh:TDPChannel:PCERror[:BURSt[1]]:ALL? (the Channelization Code is the fourth value in the array returned by this command)
This result provides the Spreading Factor where the Peak Code Domain Error measurement result occurred.
SCPI command: FETCh:TDPChannel:PCERror[:BURSt[1]]:ALL? (the Spreading Factor result is the fifth value in the array returned by this command)
Peak Code Domain Error is a measurement in the Dedicated Physical Channel measurement suite. See Dedicated Physical Channel Input Signal Requirements for details of the input signal requirements that apply to all measurements in the suite.
