FM broadcasting Transmitter and Receiver using Adalm Pluto

Question

Mohammed Aloosi 2024-7-11

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https://ww2.mathworks.cn/matlabcentral/answers/2136573-fm-broadcasting-transmitter-and-receiver-using-adalm-pluto

编辑： akshatsood 2024-7-15

I am new to SDR and communication systems and I am trying to transmit an mp3 file via FM broadcasting transmitter and then receive it using adalm Pluto. I have connected the Transmitter and receiver together with the cable but when i receive the signal and demodulate it, I only get noise.

This is the block diagram I am using.

And These are my parameters for each block

Thank you

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Answer 1

akshatsood 2024-7-15

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https://ww2.mathworks.cn/matlabcentral/answers/2136573-fm-broadcasting-transmitter-and-receiver-using-adalm-pluto#answer_1485513

编辑：akshatsood 2024-7-15

Dear @Mohammed Aloosi,

I understand that you are attempting to transmit an MP3 file through a communication system that employs FM Broadcasting in conjunction with the ADALM-Pluto, but you are encountering noise at the output.

Upon reviewing the model snapshot you shared along with the block parameters, I noticed that the Gain values specified for the ADALM-Pluto Transmitter and Receiver are different (0 for Transmitter and 10 for Receiver).

Such discrepancies can lead to the transmission of a weak signal, resulting in noise at the receiver output. To address this issue, consider providing a consistent Gain value at the Transmitter.

Further, ensure that your cable connections are secure and free from any loose fittings. In many cases, noise at the output is attributed to insecure connections.

I hope this helps.