Selecting Network Technology; Configuring Rx Parameters - Viavi SPA06MA-O R005 User Manual

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Chapter 10 Using RFoCPRI Analyzer

Selecting network technology

Selecting network technology
Before starting the RFoCPRI analysis, you need to choose a network technology to
analyze.
To select network technology
1
Tap the Setup (
2
Tap Rx Settings > Technology and select a desired network technology from the
menu bar: LTE (default), WCDMA
Depending on the network technology you selected, the settings on the Rx Parameter
menu change accordingly.

Configuring Rx parameters

As each network technology requires different Rx parameter settings, you need to
configure the Rx parameters for the network technology you selected.
To configure the Rx parameters for LTE, WCDMA
1
Tap the Setup (
2
Tap Rx Settings.
3
Set the antenna per carrier group by tapping one of the Map Position (AxC 0 to
AxC7) boxes and enter a value using the on-screen keyboard.
4
To set the I and Q sample widths, tap IQ Sample Width and enter a value
between 4 and 20 by using the on-screen keyboard.
5
Tap Stuffing Bit and enter a value between 0 and 20, using the on-screen
keyboard.
Page 362
) icon on the side bar of each measurement mode.
) icon on the side bar of each measurement mode.
NOTE
Maximum number of the AxC Group is determined by the factors of link rate,
sample width, oversampling, and signal bandwidth.
NOTE
According to the CPRI specification, the IQ sample width shall be between 4
and 20 bits for I and Q in the uplink and between 8 and 20 bits in the downlink.
SPA06MA-O User's Guide
22145360, R005
April 2021

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