Re: [Discuss-gnuradio] gr-lte updated to GNU Radio 3.7 API

[Ralph A. Schmid, dk5ras]

I'd be happy putting it onto my ftp server, if it could be useful to the
public. Only a 10 Mbps uplink, but better than nothing :)

Ralph.

> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On Behalf Of
> Johannes Demel
> Sent: Thursday, December 19, 2013 9:00 AM
> To: Mike Cornelius; Demel, Johannes
> Cc: discuss-gnuradio
> Subject: Re: [Discuss-gnuradio] gr-lte updated to GNU Radio 3.7 API
> 
> Hi Mike,
> 
> the reference I use is a rather big file > 1gb. It is hard to share such a
file
> publicly anywhere. I put a signal generator on the list of needed
features.
> 
> All tests are supposed to pass. Which tests fail on your system? Can you
run
> them with -V and mail the error messages. That could help.
> 
> Happy hacking
> Johannes
> 
> On 18.12.2013 23:54, Mike Cornelius wrote:
> > Hi Johannes,
> >
> > With regard to my earlier message regarding the crash I'm seeing, I
> > note that a few tests fail when I run make test, is that to be expected?
> > Also do you think it would be possible to publish the reference
> > waveform that you are using ?
> > That way I could check to see if the crash occurs with your known 'good'
> > waveform too.
> >
> > Mike
> >
> >
> > On 19 December 2013 18:37, Mike Cornelius <address@hidden
> > <mailto:address@hidden>> wrote:
> >
> >     Hi Ralph,
> >
> >     I had the same problem at first myself, there is no need to
> >     reconnect anything in the top_level.grc block so long as all the
> >     hier blocks have actually been compiled.
> >     In my case the biggest problem was the LTE_estimator_hier block
> >     would not compile because the 'import lte' failed (see earlier
> >     messages in this thread for details).
> >
> >
> >     Mike
> >
> >
> >     On 19 December 2013 18:27, Johannes Demel <address@hidden
> >     <mailto:address@hidden>> wrote:
> >
> >         Hi everybody,
> >
> >         I added screenshots for all the hierarchical flowgraphs and the
top
> >         flowgraph to the docs directory. I hope this helps to build the
> >         whole
> >         LTE flowgraph in GRC.
> >         Although, I realized that would be very helpful if the
hierarchical
> >         flowgraphs would be compiled with grcc during make and then
> >         installed.
> >         Preferably added to a CMakeLists file. I will look into this.
> >
> >         Happy hacking
> >         Johannes
> >
> >         On 18.12.2013 09:47, Johannes Demel wrote:
> >         > Hi Ralph,
> >         >
> >         > unfortunately there are no screenshots yet. I guess it is a
> >         good idea to
> >         > add some. After the estimator, there should be 2 blocks:
> >         Decode PBCH and
> >         > Decode PCFICH. They take the same stream. and work in
> >         parallel. Then
> >         > after Decode PBCH there is supposed to be a 'Decode BCH'
> >         block. These
> >         > blocks may need some time to generate because they consist of
hier
> >         > blocks. That's kind of the tribute that has to be paid for a
clean
> >         > flowgraph.
> >         > If you opened a flowgraph with missing blocks, as far as I
> >         know, to make
> >         > the missing blocks appear you have to close and reopen at
> >         least this
> >         > particular flowgraph.
> >         >
> >         > Happy hacking
> >         > Johannes
> >         >
> >         >
> >         > On Wed, Dec 18, 2013 at 3:49 AM, Ralph A. Schmid, dk5ras
> >         > <address@hidden <mailto:address@hidden
> >         <mailto:address@hidden>>> wrote:
> >         >
> >         >     Hi,
> >         >
> >         >     after opening and generating the hier blocks still the
> >         top_level.grc
> >         >     has missing blocks, at least LTE estimator outputs and
> >         unpack MIB
> >         >     inputs are unconnected, leaving a large white area in
> >         between. How
> >         >     should this flowgraph look like, is there a screenshot
> >         available
> >         >     somewhere?
> >         >
> >         >     Just wanted to put this all together in my lunch break,
> >         but seems
> >         >     too big for such a short break anyway :)
> >         >
> >         >     Ralph.
> >         >
> >         >
> >         >     > -----Original Message-----
> >         >     > From: address@hidden
> >         <mailto:address@hidden>
> >         >     <mailto:address@hidden <mailto:address@hidden>>
> >         [mailto:discuss-gnuradio-bounces+ralph
> >         <mailto:discuss-gnuradio-bounces%2Bralph>
> >         >     <mailto:discuss-gnuradio-bounces%2Bralph
> >         <mailto:discuss-gnuradio-bounces%252Bralph>>address@hidden
> >         <mailto:address@hidden>
> >         >     <mailto:address@hidden <mailto:address@hidden>>]
> >         On Behalf Of
> >         >     > Johannes Demel
> >         >     > Sent: Sunday, 15 December, 2013 00:34
> >         >     > To: discuss-gnuradio
> >         >     > Subject: [Discuss-gnuradio] gr-lte updated to GNU Radio
> >         3.7 API
> >         >     >
> >         >     > Hello GNU Radio enthusiasts,
> >         >     >
> >         >     > some time after the GNU Radio 3.7 release I started to
> >         move the
> >         >     code for 'gr-lte' to the new API. Besides moving it to the
> >         new API, I
> >         >     > wanted to clean up code and rework a lot of tests. Thus,
> >         the whole
> >         >     transition took a lot of time and work.
> >         >     > Now, all current blocks are moved to the GNU Radio 3.7
> >         API with
> >         >     lots of enhancements. e.g. I tried to remove all
> >         hierarchical python
> >         >     blocks
> >         >     > and created them as GRC hier blocks instead. Or runtime
> >         status
> >         >     events, like cell_id extraction, are all propagated
> >         through message
> >         >     ports
> >         >     > now.
> >         >     > Also, there is a PyBOMBS recipe now to ease the
> >         installation process.
> >         >     >
> >         >     > I hope 'gr-lte' can be useful for others.
> >         >     >
> >         >     > Source code is available at
> >         https://github.com/kit-cel/gr-lte
> >         >     >
> >         >     > Happy hacking
> >         >     > Johannes
> >         >     >
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