Thursday, April 13, 2023

Re: Debugging OFDM | Error in Image reception

Hi Mulamoottil,

hm, any wireless transmission has a bit error probability. Have you added framing to your
files to know where they start and stop, and have you added error correction abilities to
your transmission system?

Best regards,
Marcus

On 13.04.23 07:52, Mulamoottil Abraham wrote:
> Hello,
> Using the examples I have created an OFDM transmitter and receiver loopback. As given in
> grc file below I have changed packet length to 48 instead of 96 even though only 48
> subcarriers are used as in that case I am getting correct output for bmp_24.png which is
> attached below. But for all other cases it fails. I have been behind this and I do not
> know where it actually fails as no noise is not added anywhere. Can anyone Help me in
> solving the issue and help me in debugging the same. Attaching grc files for the same
> along with sample images.
> *Thanks and Regards,*
> Abraham Abraham Mulamoottil
> Graduate Student (MS in Telecommunication Program)
> maa97@umd.edu.in <mailto:maa97@umd.edu.in>
> +12408543275

No comments:

Post a Comment