Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread Joshua Lilly
Andy and Nathan,I really appreciate the insight, resources and the direction you have provided. I am starting to look into adding the constants to the blocks. When I run into questions, I will check in on irc or send another email.Thanks again for all of the help!JoshOn Mar 06, 2016, at 01:08 PM,

Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread West, Nathan
I think that's a result of those add blocks being used in trellises (could be wrong on that assumption). If we add saturating adds we should follow most architecture conventions and explicitly call it saturating. On Sunday, March 6, 2016, Andy Walls wrote: > On

Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread Andy Walls
On Sun, 2016-03-06 at 16:33 -0500, West, Nathan wrote: > By the way, if you choose to do this please don't be afraid to ask > questions; this is a pretty well defined problem, but [...] Hi Nathan, Since you mentioned it, a question popped to my mind: The current add_const blocks let integer

[Discuss-gnuradio] Modifying code rate

2016-03-06 Thread SangHyuk Kim
Hi all. I want to use high code rate for high throughput But, I can't find proper block to do. Can I change code rate using GNU radio? Also, is it possible using benchmark_tx.py (one of the example file provided) ? Thanks. ___ Discuss-gnuradio

Re: [Discuss-gnuradio] how does Doppler shift increment in flat fading channel GNU radio

2016-03-06 Thread Bastian Bloessl
…looks like this topic isn’t too popular : -) Anyhow, I wanted to make another attempt as I would really appreciate if someone could comment on this thread or the threads at [1] or [2]. Unfortunately, I still fail to understand the implementation of the flat fader and particularly these lines

[Discuss-gnuradio] Crash on UHD import on a fresh build of 3.7.10 using PyBOMBS

2016-03-06 Thread Eugene Grayver
Just rebuilt GR using pybombs (went very smoothly). However, encountered a very weird bug -- segfault on 'from gnuradio import uhd'. The machine does not have any UHD devices attached (have not yet checked what happens if there's in fact a device). Here's a backtrace from gdb. Apparently

Re: [Discuss-gnuradio] py and xml codes

2016-03-06 Thread Marcus Müller
Of course they are! look into the python/ and grc/ subfolders of the individual GNU Radio in- and out of-tree modules. Best regards, Marcus On 06.03.2016 23:19, scott tiger wrote: > Hello all, > Are the scripts for gnuradio companion blocks open source or no? I > meant, how can I find .py and

[Discuss-gnuradio] py and xml codes

2016-03-06 Thread scott tiger
Hello all, Are the scripts for gnuradio companion blocks open source or no? I meant, how can I find .py and xml codes for each gnuradio companion block? Thank you for you reply Best regards Maksim ___ Discuss-gnuradio mailing list

Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread Andy Walls
On Sun, 2016-03-06 at 16:33 -0500, West, Nathan wrote: > On Sun, Mar 6, 2016 at 4:08 PM, Andy Walls > wrote: > 4. Create volk kernels to replace the main operations in the > work() > functions of these blocks, if you can. Since adding a >

Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread West, Nathan
Hi Josh, Glad you're interested in GSoC and GNU Radio. These suggestions from Andy are pretty good, and any work that you've done on or with GNU Radio by the time we make decisions definitely improves the credibility and strength of your application (that's true for *all* students by the way...

Re: [Discuss-gnuradio] Speed Optimization and Application for ATSC Receivers

2016-03-06 Thread Andy Walls
On Sun, 2016-03-06 at 08:49 -0500, discuss-gnuradio-requ...@gnu.org wrote: > Message: 5 > Date: Sun, 06 Mar 2016 06:45:13 + (GMT) > From: Joshua Lilly > Hello, > My name is Josh and I am interested in getting involved in GNU radio. > Specifically, I would like to work on the above project

Re: [Discuss-gnuradio] Pybombs 2.0 woes

2016-03-06 Thread Marcus Müller
Hi Martin, I'm off-list working together with Mike. Point is that his UHD build (during "pybombs install gnuradio", I presume) fails: [ 4%] Building CXX object lib/CMakeFiles/uhd.dir/usrp/cores/rx_dsp_core_200.cpp.o In file included from

Re: [Discuss-gnuradio] Install issues

2016-03-06 Thread Martin Braun
It looks like pip and PyBOMBS all installed fine, but the cloning of the thrift repo fails. You can run `pybombs -v install' gnuradio for more output. Cheers, Martin On 03/05/2016 11:17 AM, Todd Lutton wrote: > I did a fresh ubuntu 14.04 install. > > sudo apt-get update > sudo apt-get install

Re: [Discuss-gnuradio] Pybombs 2.0 woes

2016-03-06 Thread Martin Braun
Can someone please summarize this problem? I'm afraid I'm not getting the full picture here. Cheers, M On 03/05/2016 11:11 AM, Dan CaJacob wrote: > I had the same pip error. It seemed to be related to a conflicting > version of requests. I am running Ubuntu 15.10 to fix the problem, I >

Re: [Discuss-gnuradio] Fwd: Pybombs 2.0 woes

2016-03-06 Thread Marcus Müller
Ah thanks! That is a strong lead! Indeed, this seems to be an incompatibility between what UHD expects that Boost provides, what Boost expects to be declared by your compiler and UHD declarations themselves; that's why you're seeing one "undeclared" and one "already declared" error... Boost has

Re: [Discuss-gnuradio] Benchmark_tx and rx

2016-03-06 Thread Diyar Muhammed
Dear Marcus, thank you very much, yes I download from the web, so I found that path you sent it works. On Sun, Mar 6, 2016 at 4:19 PM, Marcus Müller wrote: > Dear Diyar, > > this looks like you might be using a version of the benchmark scripts that > you took from the

Re: [Discuss-gnuradio] Benchmark_tx and rx

2016-03-06 Thread Marcus Müller
Dear Diyar, this looks like you might be using a version of the benchmark scripts that you took from the web. You must use the scripts in the version that came with your installation of GNU Radio! You should probably find those under /usr/share/gnuradio/examples/digital or

[Discuss-gnuradio] Benchmark_tx and rx

2016-03-06 Thread Diyar Muhammed
Dear all, I use the benchmark_rx.py and tx.py and I got some warning as shown below: *For RX:* mint@mint ~/Downloads $ sudo python benchmark_rx.py --freq=5.8e9 linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.001-105-g91ae742f Traceback (most recent call last): File "benchmark_rx.py",

[Discuss-gnuradio] qa_polar_encoder

2016-03-06 Thread Volker Schroer
Hi, I'm just trying the next-qt5 branch from github. Building from scratch works fine. But make test hangs on qa_polar_encoder. After more than 6 hours of waiting I stopped the process. LastTest.log.tmp shows no errors. All 92 tests before passed without errors. Any suggestions ? Thanks in

Re: [Discuss-gnuradio] Build problems with pybombs

2016-03-06 Thread Mike Willis
Sorry - wrong one - the similar thread was from April last year http://lists.gnu.org/archive/html/discuss-gnuradio/2015-04/msg00151.html On Sun, Mar 6, 2016 at 2:53 PM, Mike wrote: > Here is the rather similar error I referred to earlier, not the same but > similar

Re: [Discuss-gnuradio] Build problems with pybombs

2016-03-06 Thread Mike
Here is the rather similar error I referred to earlier, not the same but similar characteristics ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Fwd: Pybombs 2.0 woes

2016-03-06 Thread Mike Willis
Here is the error [ 4%] Building CXX object lib/CMakeFiles/uhd.dir/usrp/cores/rx_dsp_core_200.cpp.o In file included from /usr/local/src/uhd/host/lib/usrp/cores/dsp_core_utils.hpp:21:0, from /usr/local/src/uhd/host/lib/usrp/cores/rx_dsp_core_200.cpp:19:

Re: [Discuss-gnuradio] benchmark_tx(rx).py throughput as modulation

2016-03-06 Thread SangHyuk Kim
Thanks Marcus. given parameters : bit rate = 100,000 samples per symbol = 2 constellation = 16 then, bits per symbol = log2(16) = 4 symbol rate = bit rate / bits per symbol = 100,000 / 4 = 25,000 sample rate = samples per symbol * symbol rate = 2 * 25,000 = 50,000 also, as I know, sample rate =

Re: [Discuss-gnuradio] ControlPort setup_rpc function not called for pure message passing blocks

2016-03-06 Thread Martin Lülf
Dear Tom, thanks for your reply. I created an account on the gnuradio.org platform. A day later the account is still disabled, so I assume there is a manual confirmation required. So I kindly ask somebody on the list with the right permissions to activate my account "MartinLuelf" with the