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Where To Find This Example

AWR Version 14

This example was named in V14, please see Adjacent_Channel_Sweep_BER

AWR Version 13

Select Help > Open Examples... from the menus and type either the example name listed above or one of the keywords below.

Or in Version 13 you can open the project directly from this page using this button.

Design Notes

Adjacent Channel sweep BER simulation

As the simulation is running you will see in the "Spectrum" graph the interfering QPSK signal's center frequency (QPSK2) sweep from 8.5GHz to 11GHz. You can monitor the impact of this on the BER performance of the 10GHz QPSK signal in the "BER" graph.

The SNR of the desired 10GHz QPSK signal is held at a constant value of 8dB during the frequency sweep.

The system diagram "QPSK BER" and graph "QPSK BER vs SNR" are for reference.

System Diagram - 2 QPSK Signals

System Diagram - QPSK BER

Graph - Spectrum

Graph - BER

Graph - QPSK BER vs SNR