User`s guide

Agilent PXT Wireless Communications Test Set
User’s Guide
197
The Integration BW setting specifies the bandwidth over which power is integrated for the channel power
measurement.
Occupied Bandwidth Measurement
Key Path:
Mode > SA > Spectrum > MEAS > Occupied BW
Figure 6-3: Occupied Bandwidth measurement
The Occupied BW measurement looks at the total power in a span of twice the nominal system bandwidth.
It then determines the frequency range, centered on the carrier frequency, which contains 99% of the total
power. This frequency range is the value of the Occupied BW.
The measurement displays a graphic of the power spectrum of the signal and numeric values for the
Occupied BW and the total power.
The Occupied Bandwidth measurements in LTE and Spectrum measurement modes are identical.
Measurement Setup
Access the Span menu key by selecting the Func front-panel key.
By default, the span for the Occupied Bandwidth power spectrum graphic is set to twice the nominal
system bandwidth. The span may be adjusted manually. For system bandwidths of 10 MHz or less, the
span is limited to a range between 1 MHz to 22 M Hz. For the 15 MHz system bandwidth, the additional
value of a 30 MHz span can be set; span values between 22 MHz to 30 MHz cannot be set. For the 20 MHz
system bandwidth, the additional value of a 40 MHz span can be set; span values between
22 MHz to 40 MHz cannot be set.
Full Span selects the largest span available for the current System Bandwidth.