E1968A Datasheet, PDF (3/22 Pages) Keysight Technologies – GSM/GPRS/EGPRS Test Application

03 | Keysight | E1968A GSM/GPRS/EGPRS Test Application - Technical Overview
Audio functionality
–– Choice of speech encoded on downlink TCH: none, echo, 300 Hz sine, 1 kHz sine,
3 kHz sine, or PRBS-9, PRBS-15, multi-tone, or custom
–– GSM analog audio measurement (audio level, distortion, frequency, SINAD)
–– Uplink and downlink audio measurement with real-time audio codec and DAI
–– PESQ measurement
Receiver measurements
–– GSM fast BER via loopback type C
–– GSM BER via loopback type A and B
–– GPRS/EGPRS multislot BER
–– GPRS/EGPRS multislot block error ratio (BLER)
–– MS calculated BER
–– Test mode BER
–– EGPRS2-A 16QAM/32QAM BEP report
Transmitter measurements
–– GPRS/EGPRS multislot transmit power
–– EGPRS multislot-tolerant transmit power
–– 8PSK multislot-tolerant modulation accuracy (peak, rms, 95th percentile and sample
EVM; frequency, magnitude and phase errors; origin offset suppression; IQ imbal-
ance)
–– GMSK multislot-tolerant frequency error
–– GMSK multislot-tolerant phase error (peak and rms with confidence limits)
–– Multislot power versus time (burst mask comparison with settable masks)
–– Burst timing error with signaling
–– Burst timing error under test mode
–– Multislot-tolerant output RF spectrum due to modulation and switching
–– ORFS measurement in time domain
–– IQ tuning
–– GSM decoded audio level
–– Dynamic power
–– Phase and amplitude versus time (PAvT)
–– IQ capture
–– Fast device tune (FDT)
–– AM-PM timing offset
–– Discontinuous timeslot TXP measurement
–– 8PSK/16QAM measurement
Instruments
–– Audio generator
–– General-purpose spectrum monitor
–– GSM multi-tone audio
Figure 1. Use graphical measurement results to troubleshoot your
EGPRS wireless device.