how to use MATLAB to configure the USRP 2943R with a PCIe cabl

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Zohreh 2024-1-8

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回答： Francisco Salomon 2024-1-24

Hi,

I connected USRP 2943R to PC using a PCIe cable. Can I use MATLAB to configure the USRP 2943R with a PCIe cable?

Best regards,

Zohreh

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Answer 1

Francisco Salomon 2024-1-24

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Hi Zohreh,

PCIe is not supported at the moment on MATLAB Support Package for USRP (Communications System Toolbox) or Support Package for NI USRP Radios (Wireless Testbench).

You will need to use a network interface. Please refer to the relevant product's documentation for your MATLAB version.

Thanks,

Francisco

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Answer 2

Basmah Ahmad 2024-1-8

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在 MATLAB Online 中打开

Yes, you can use MATLAB to configure and control a USRP 2943R connected to your PC via a PCIe cable. MATLAB provides support for USRP devices through the Communications System Toolbox and the corresponding support package for USRP. Here is the general step to get started:

Install MATLAB Support Package for USRP:Make sure you have the Communications System Toolbox installed, and then install the MATLAB Support Package for USRP. You can do this using the MATLAB Add-Ons Explorer or by using the following command in the MATLAB command window:

matlab.addons.installedAddons('usrp')

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Basmah Ahmad 2024-1-8

在 MATLAB Online 中打开

When you are connecting the USRP device to your PC using a PCIe cable, you typically don't need to specify an IP address as you would with a network-connected USRP. Instead, you should use the local PCIe interface to communicate with the USRP.

Assuming you have a PCIe-connected USRP 2943R, you would typically use the comm.SDRuTransmitter object without specifying an IP address. Here's an example:

In this example:

'Platform', 'X300': Specifies the platform type. Adjust this based on your USRP model.
'SerialNum', 'ABCD1234': Specifies the serial number of your USRP. Replace it with the actual serial number of your device.
'MasterClockRate', 245.76e6: Specifies the master clock rate. Adjust this based on your USRP configuration.
Other parameters like CenterFrequency, BasebandSampleRate, and ChannelMapping can be adjusted based on your specific requirements.

Make sure to replace the placeholders with the actual values for your USRP device. You can find the relevant information in the USRP hardware documentation.

Also, ensure that you have the appropriate drivers and support packages installed for your USRP model and that the USRP is correctly recognized by your system before attempting to communicate with it using MATLAB.

% Create a USRP transmitter object for PCIe connection
tx = comm.SDRuTransmitter('Platform', 'X300', 'SerialNum', 'ABCD1234', 'MasterClockRate', 245.76e6);
% Configure the transmitter parameters
tx.CenterFrequency = 2.2e9;
tx.BasebandSampleRate = 800e3;
tx.ChannelMapping = 1;
% Send data to the USRP
data = randn(1024, 1);
step(tx, data);

Zohreh 2024-1-9

Thank you Basmah. There is still the issue.

For the following code:

tx = comm.SDRuTransmitter('Platform', 'X310', 'SerialNum', '315CB96', 'MasterClockRate', 184.32e6);

This warning showed up

Warning: The SerialNum property is not relevant in this configuration of the

System object.

Finally, for this line of your code:

step(tx, data);

The following error is appeared

Error using comm.SDRuTransmitter/setupImplLocal

Radio with IP address '192.168.10.2' is not of the specified platform 'X310'.

Error in comm.internal.SDRuBase/setupImpl

Mir 2024-1-23

I am getting the same error. The reason for this is the IP Address which is a default property of the comm.SDRuTransmitter system object with default IP address of 192.168.10.2. You may try with higher version of MATLAB i.e 2022b where you have a support for Wireless Testbench and Support Package for NI USRP Radios. You can configure your NI USRP with these support packages. Currently, I am limited by the Windows 7 on my NI PXIe controller.

HTH,

Mir Lodro

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how to use MATLAB to configure the USRP 2943R with a PCIe cabl

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