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The WARPLab Reference Design transmit and receives at 40MSps. You can implement any required rate changes (decimation or interpolation) in your M code.
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Can I change it? I need to do it in my experiment.
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You would need to modify the WARPLab hardware design to run the ADCs/DACs at different rates. This is possible but difficult. I would definitely suggest you implement whatever rate change filters you require in the M code part of your experiment.
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Is that possible that I use two computer, each controls one warp board, and each warp board is only responsible for continuously transmitting?
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Is that possible that I use two computer, each controls one warp board, and each warp board is only responsible for continuously transmitting?
Yes. Both PCs would need MATLAB and the WARPLab M code installed, and each PC + WARP node pair would need its own Ethernet switch.
However I don't see any reason to use this setup if your nodes are close together and will be in continuous Tx mode. In continuous Tx mode the MATLAB code only writes IQ samples once, then starts the continuous Tx. After this the M code is idle while the WARP node repeatedly transmits the waveform. You can use a single PC to configure two WARP nodes as continuous transmitters without any performance penalty.
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