Re: DVB-T receiver problem (OFDM symbol acquisition)

2020-03-04 Thread Ralf Gorholt
Hello Ron, do you think it would be possible to use your block that detects the drift to adapt the sample rate of the source block automatically and if yes, how would I have to do that? When the position of the CP increases, the sample rate must be decreased and vice versa. Could it be done by a

Re: How to control span of the frequency sink?

2020-03-04 Thread Md. Atiqur Rahman
Thank you so much for your response. This helped me. On Wed, Mar 4, 2020 at 5:52 PM Derek Kozel wrote: > Hello, > > The span of the frequency sink is determined by the sample rate of the > signal that is input to it. In order to zoom in add a Resampler block in > front and decimate by the

Re: How to control span of the frequency sink?

2020-03-04 Thread Derek Kozel
Hello, The span of the frequency sink is determined by the sample rate of the signal that is input to it. In order to zoom in add a Resampler block in front and decimate by the zoom factor. Regards, Derek On 04/03/2020 16:42, Md. Atiqur Rahman wrote: Hello everyone, I have a question to

Re: Installing an old version of gnuradio

2020-03-04 Thread CEL
Depends on the operating system you're running on. However, if the blocks have been removed in GNU Radio 3.8, they've been removed because they didn't work anymore, so you'll need to replace them either way. Best regards, Marcus PS: If you include as much info as possible in your original

Installing an old version of gnuradio

2020-03-04 Thread Ahmet DEMIR
Hello, Thank you in advance for the help... I am trying to transmit a video wirelessly by using Gnuradio. However, some of the blocks that I want to use in my study are undefined. But, these blocks can be reached at older versions of Gnuradio. I followed the instructions given below web-site. But,

Re: Wire shark output question

2020-03-04 Thread Bastian Bloessl
Dear Ranganathan, the two connections to the Wireshark block are for (1) the packets that are generated locally and (2) the packets that are received. It is the same kind of data, i.e., the bytes that are about to be send out/the bytes that were demodulated. If you disconnect "rxout" from the

Re: Channel estimation OFDM saving taps

2020-03-04 Thread Vinicius Mesquita
Thank you so much for your answer, Marcus. I understood everything. I'm going to try to build my own block. Have a nice day. On Tue, Mar 3, 2020 at 9:48 PM Müller, Marcus (CEL) wrote: > Hi Vinicius, > > you can directly feed the output of the OFDM channel estimation block > into a simple