Error with Text file modulation and demodulation for BPSK

Thu, 23 Feb 2023 02:48:29 -0800

Hi All,

 

I am a GNU Radio enthusiast and am trying to modulate a text file and get back the same as output after demodulation. But, I am facing an issue due to which ambiguous data is being generated.

 

BPSK demodulation only returns binary data, and not the original text file with or without data loss.

 

I will be attaching the flowgraphs below. Please instruct on what needs to be done and what corrections are needed.

 

I also tried doing Manchester coding, upconversion and doppler shift in the order specified but it is not working with a normal signal source. Please help.

 

All the gnu radio files will be attached below.

 

Thanks and regards,

Ratnakar

 

 

 

 

Attachment: bpskModDemod.grc
Description: Binary data

Attachment: bpskwithshift.grc
Description: Binary data

Attachment: Manchester_En_Decode.grc
Description: Binary data

Attachment: Manchester_with_Text.grc
Description: Binary data

Attachment: upconvobpsk (1).grc
Description: Binary data

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