Hi Nirmala, Yes, you can simultaneously transmit and receive with SDRuTransmitter and SDRureceiver objects – see https://www.mathworks.com/help/comm/examples/packetized-modem-with-data-link-layer.html.
The Simulink error you show below occurs because you are sending a row vector into the SDRu Transmitter block. Send it a column vector (151 x 1), and your model should run. You would use the Data and Data Len ports as shown in the model below: [cid:image001.png@01D3111E.722EB0F0] As the name implies, the Data port is for the data. The Data Len port should be used as an enable signal for a downstream enabled subsystem. Your receiver processing should be in that enabled subsystem. Best, Mike From: USRP-users [mailto:usrp-users-boun...@lists.ettus.com] On Behalf Of Nirmala Soundararajan via USRP-users Sent: Wednesday, August 9, 2017 10:34 AM To: USRP-users@lists.ettus.com Subject: [USRP-users] transmit and receive - B205mini-i Hi, I have just started programming simple scripts in matlab for B205mini-i. Can I transmit and receive simultaneously using SDRUtransmitter and receiver objects in Matlab? I also tried to use simulink, and gave a simple cos signal as input, the value is 1 X 151 vector, just cos values between [-1 1]. however I am getting error. Error reported by S-function 'usrp_uhd_sfuntx' in 'prj1/SDRu Transmitter/usrp_uhd_sfuntx': Input signal 1 must be a column vector. Component:Simulink | Category:Modelerror Error in port widths or dimensions. Output port 1 of 'prj1/SDRu Transmitter/Data' is a one dimensional vector with 150 elements. Also how should I connect the Data and Length ports of SDRUreceiver.? request help. thanks Nirmala
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