Keysight FieldFox B Series User Manual page 412

Over–the–Air Measurements (OTA) – LTE FDD Option 370, LTE TDD Option 371, 5G TF
Option 377, 5G NR / 5G NR EVM Conducted Option 378
Glossary (OTA)
Table 13-1 OTA Abbreviations and Descriptions
Abbreviation Description
Cell ID (PCI Physical cell ID – The Primary Sync Signal and Secondary Sync Signal largely define the PCI. PCI is also
(C-S-G)) referred to sometimes as Cell ID.
SSB Index Synchronization Signal Block Index
(dBm)
SS-RSRP Synchronization Signal Reference Signal Received Power – The linear average over the power
/RSRP (dBm) contributions (in [W]) of the resource elements that carry cell-specific reference signals within the
considered measurement frequency bandwidth.
For RSRP determination the cell-specific reference signals R0 according TS 36.211 [3] shall be used. If
the UE can reliably detect that R1 is available it may use R1 in addition to R0 to determine RSRP.
The reference point for the RSRP shall be the antenna connector of the UE.
SS-RSRQ Synchronization Signal Reference Signal Received Quality
/RSRQ (dB)
RSSI (dBm) Received Signal Strength Indicator measures the average received power found only in OFDM symbols
that for an antenna port that are part of the measurement bandwidth over N resource blocks.
SS-SINR /SINR Synchronization Signal-to-Noise and Interference Ratio – Reference Signal to interference and noise
(dB) ratio – indicates the values measured over the same bandwidth and normalized to one subcarrier
bandwidth.
PSS (dBm) PSS (dBm) is the Primary Synchronization signal for a 5G NR frame.
SSS (dBm) SSS is the Secondary Synchronization signal for a 5G NR downlink frame (dBm).
DMRS (dBm) Physical Broadcast Channel Demodulation Reference Signal (dBm). Used by 5G NR receiver to produce
channel estimates for demodulation of associated physical channel.
Freq Error (Hz) Frequency error is the difference of the transmitted signal quality from the ideal (Hz).
Chan Freq Chan Freq is the channel frequency, when SSB Offset Detection has been enabled.
SSB Offset Determines whether the measurement is a normal 5G NR measurement or an SSB offset measurement.
When disabled, the measurement will be a normal 5G NR measurement; When enabled, the
measurement will be an SSB offset measurement.
The purpose of the SSB offset measurement is to measure the offset of the SSB from the current Center
Frequency. Once you measure the SSB offset, you can use the results to update the Offset Frequency
and make a normal 5G NR measurement.
SSB Freq This is the SSB center frequency (the offset of the SSB from the channel center frequency).
ARFCN/GSCN The synchronization raster ARFCN / GSCN associated with the SSB frequency (only displayed when Snap
Sync Raster is enable).
Time Offset (us) Time offset is defined as the time difference between the NR frame boundary and the beginning of the
capture. And, is meant to be used with a "frame trigger" (GPS synced periodic trigger when measuring
base station OTA signals). The frame boundary closest to the beginning of the capture is always used for
the measurement (NR signals are periodic; so a single capture contains multiple frame boundaries).
412 Keysight N9938-90006 User's Guide