Overlaid IQ Ref Time (TEDS)

Overlaid IQ Ref Time shows a sequence of ideal I and Q states as a composite of all subcarriers. Thus every sync, pilot, header, and data symbol is in exactly the correct location on the IQ plane. You can use this trace for comparison purposes with measured signals.

Select Trace > Auto Scale to scale the trace. The trace shown above is the constellation trace for the reference signal (Normal Uplink, 50kHz channel bandwidth, 16QAM modulation).

Select Markers > Show Marker to place a marker on the trace; then review the symbol information in the marker readout window. Once you have a marker on the trace, use your left and right arrow keyboard keys to move the marker through the symbols.

To view this same trace as a subcarrier signal, see Subcarr IQ Ref Time.