Sorry, I forgot to put the address of the document:
http://academic.csuohio.edu/yuc/mobile/sai.pdf 2015-11-09 13:40 GMT-06:00 Harold Daniel Moreno Urbina <[email protected]>: > Hello, > > Have you tried with just raw data?. I mean, use a file with data you > already know, for example in a file, make the proper modulation, send it > over the air, receive the data, put it into a file, compare both files. > > I can guess that the problem is in the decoder in the receiver part. Study > about how to handle errors in digital communications. > > I found this project on the web, they explain how the receiver send > packets to the transmitter to inform about the integrity of the info in the > packets received. > > Saludos. > > 2015-11-09 12:24 GMT-06:00 Israel . <[email protected]>: > >> Hi, >> >> I’m working on my degree final project and I would like to implement a >> wireless communications system between two USRPs (N200). One of the main >> goals is to be able to transmit a file (image, doc, video, …) and to >> receive it correctly (or, at least, to receive the complete file). My >> question is if I can do this with GNU Radio. I have tried it for a long >> time (with File Source, File Sink blocks) and I always lose data in the >> process. I’ve read quite solutions in the mailing list about other people >> who had the same problem, but none have worked for me. >> >> I attached a picture of my flowgraph. It is made in a virtualization >> environment, however, when I work in the real environment (using the >> USPRs), I keep losing data. >> >> On the other hand, if there is another way to transmit and to receive a >> file (for example, without using File Source and File Sink), I would >> also like to know. >> >> I really appreciate any help >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >
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