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Re: [Discuss-gnuradio] Data loss during transmission (OFDM .bmp file)


From: Kevin McQuiggin
Subject: Re: [Discuss-gnuradio] Data loss during transmission (OFDM .bmp file)
Date: Sun, 5 May 2019 11:10:09 -0700

Read, read read!  Simple questions often lead to very complex answers.

You might start your studies with "The Scientist & Engineer's Guide to Digital 
Signal Processing” by S. Smith.

Kevin

> On May 5, 2019, at 9:46 AM, Marcus Müller <address@hidden> wrote:
> 
> Well, noise happens, and synchronization isn't instantaneous. Things
> that aren't detected can't be received, and bit errors that the FEC
> can't correct are bit errors in the received data.
> 
> That's the beauty and the curse of wireless communications.
> 
> Best regards,
> Marcus
> 
> On Sat, 2019-05-04 at 20:26 -0400, Simran Kaur wrote:
>> Hello All,
>> We are trying to transmit a .bmp file using USRP Tx/Rx. However, I am
>> getting bogus header data at the receiving end. I tried transmitting
>> a text file also which clips my starting text and also it inserts
>> some invalid/unknown characters. We are losing some of the bytes for
>> e.g, the transmitted file size is of 426316 bytes, but receiving file
>> size is of 4,264,224 bytes.
>> Can somebody explain what we are doing wrong here. I have attached my
>> Tx and Rx .grc and snapshots for the reference.
>> 
>> Best,
>> Simran Kaur
>> _______________________________________________
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> 
> 
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