Simulink models for QPSK Tx and Rx to verify HDL QPSK running on zedboard

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Hello all, we have been doing interesting work with QPSK HDL TX and RX coming under the SOC blockset, following the link
https://in.mathworks.com/help/soc/ug/qpsk-transmit-and-receive-using-xilinx-zynq-and-fmcomms-2-3-4.html
we used Zedboard and FMCOMMS to deploy it and see the results. But however the FMCOMMS module was actually having internal coupling such that even if there are no antennas to transmit or receive the signal or even if we place 50 ohm termination on the ends still we are obtaining the data, however the constellation disperses.
so inorder to see if it actuall is due to internal coupling within the FMCOMMS AD936x chip or not we plan to use pluto to transmit at one frequency and receive with FMCOMMS on the same frequency and vice versa, but we tried with our limited knowledge on trying to replicate the QPSK RX side of the HDL QPSK RX ip into simulink model for running on pluto but still not being able to get the decoded data.
we refered with the link:
for using in pluto.
so can anyoneplease help us/ giude us to better progress in being able to verify the QPSK TX and RX between FMCOMMS and PLUTO, where in FMCOMMS uses the HDL QPSK Tx and Rx

回答(1 个)

Supraja
Supraja 2024-11-6,3:45
Hello Paul,
It would be helpful if you can share the exact code which you are using and where are you facing the issue.
Additionally, you may refer to the documentation link of 'QPSK Transmit and Receive Using Zynq and FMCOMMS2/3/4' given below:
Also, you may refer to the 'HDL QPSK Transmitter and Receiver' documentation page given here:
I hope this helps!

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