Re: Text file transmission using GNU radio/SDR X300

ith an external python program. > > Hope this helps. > > Steve Hageman > > On 7/9/2024 6:34 AM, Fazal Muhammad Ali Khan via GNU Radio, the Free & > Open-Source Toolkit for Software Radio wrote: > > Dear GNU Radio Community, > > > > I am transmitting a text file

qa_fir_filter test fails in make test

in/sh" "qa_fir_filter_test.sh" Directory: /home/ali/opt/gnuradio/build/gr-filter/python/filter "qa_fir_filter" start time: Dec 16 15:35 +0330 Output: -- ...FF.. ==

phase maintenance in a USRP loop

Hi all, I have two transceivers A and B each one is connected by cables to a USRP B200mini (TX/RX for send and RX2 for receive) Using GNU Radio, for each iteration, transceiver A starts to send a burst of RC-filtered, BPSK-modulated PN sequence. Side B waits for the burst and as soon as it gets

Re: B2xx round trip delay

13, 2023 at 8:15 AM Marcus D. Leech wrote: > On 13/08/2023 00:36, Ali G. Dezfuli wrote: > > Hi all, > > I'd like to measure the round-trip delay (RTD) between two B200 USRPs. > > For that, I send a raised-cosined-filtered, BPSK modulated > > PN-sequence, and as so

Re: B2xx round trip delay

I appreciate the information and advice you have shared and sincerely thank you for the assistance. On Sun, Aug 13, 2023 at 8:15 AM Marcus D. Leech wrote: > On 13/08/2023 00:36, Ali G. Dezfuli wrote: > > Hi all, > > I'd like to measure the round-trip delay (RTD) between

B2xx round trip delay

Hi all, I'd like to measure the round-trip delay (RTD) between two B200 USRPs. For that, I send a raised-cosined-filtered, BPSK modulated PN-sequence, and as soon as I get this signal at the receiver, send back the same sequence from the Rx to the Tx, and by correlation, I find the RTD. The

OOT modules: adding a faulty block causes whole OOT module not to work

Hi all, I made an OOT module named gr-tmo, adding some blocks and everything was ok. But when I add another block which uses gnuradio filter (from fir_filter.h), the whole module stops working and even removing the faulty block using gr_modtool doesn't help, which makes me start the whole module

Re: OOT modules config for versions

e so: > > https://github.com/drmpeg/gr-atsc3/blob/master/lib/CMakeLists.txt#L42 > > Ron > On 6/12/23 00:01, Ali G. Dezfuli wrote: > > Hi all, > > I'd like to use libgnuradio-filter in my OOT module/blocks. > I've read the following link which is about configuring OOT modules

OOT modules config for versions

Hi all, I'd like to use libgnuradio-filter in my OOT module/blocks. I've read the following link which is about configuring OOT modules for adding other parts of gnuradio: https://wiki.gnuradio.org/index.php/OutOfTreeModulesConfig I couldn't find the line: set(GR_REQUIRED_COMPONENTS RUNTIME) in

building OOT blocks in Qt editor

Hey! I just switched to the latest versions (GR: 3.6.10, Ubuntu 22.04, UHD 4.3.0, Qt Creator 10.0.1). I've just added an OOT module and block and could successfully build and add it to the gnuradio and it works well. To have a better graphical editor, I just want to develop in Qt editor

DOA - gr-doa

. Kind regards, Ali

Re: Constellation Modulator delay calculation

thank you, Jared and Cinead! Sure it helps Jared! On Wed, Jan 11, 2023 at 7:39 AM U L wrote: > Ali, > > I think the example uses the generic_mod block > <https://github.com/gnuradio/gnuradio/blob/main/gr-digital/python/digital/generic_mod_demod.py> > inside. This block u

Constellation Modulator delay calculation

Hi everybody, I just want to know how the delay of the "Constellation Modulator" block in GRC is calculated. In fact, whether you set the block's last parameter "truncate filter transient" or not, a delay of 86 samples could be generated, no matter how many points are in the constellation. This

Re: DQPSK constellation

Hi Cinaed, thanks for your reply, GR version: v3.11.0.0git-316-gc11667ef the GRC file is attached. thanks On Tue, Jan 10, 2023 at 1:49 AM Cinaed Simson wrote: > Hi Ali - please state the version of gnuardio you're using and post the > flowgraph used to generate your problem. > &g

DQPSK constellation

Hi all, I've managed to get to the same signal of the block "Constellation Modulator" by using these blocks in concatenation: { --> repack bits --> differential encoder --> constellation encoder (or: chunks to symbols) --> polyphase arbitrary resampler --> } and tried them for bpak, qpsk, 8psk,

Re: usrp n200 problem: error when running uhd_cal_tx_dc_offset

Ok, thanks! You are a great help! On Thu, Dec 29, 2022 at 8:33 AM Marcus D. Leech wrote: > On 28/12/2022 23:55, Ali G. Dezfuli wrote: > > seems it's ok: > > > > $ uhd_usrp_probe > > [INFO] [UHD] linux; GNU C++ version 11.3.0; Boost_107400; > > UHD_4.3.0.0-14-g1e

Re: usrp n200 problem: error when running uhd_cal_tx_dc_offset

: > On 28/12/2022 23:35, Ali G. Dezfuli wrote: > > thanks Marcus, > I have checked benchmark_rate with no lost packets even at the highest > rate of 25 Ms/s. > It is connected via ethernet 1G. > > Isn't it because of outdated firmware and fpga? > > If the FPGA code is

Re: usrp n200 problem: error when running uhd_cal_tx_dc_offset

commands:0 Num timeouts (Tx):0 Num timeouts (Rx):0 Done! On Thu, Dec 29, 2022 at 8:04 AM Ali G. Dezfuli wrote: > thanks Marcus, > I have checked benchmark_rate with no lost packets even at the highest > rate of 25 Ms/s. > It is connected via ethernet 1

usrp n200 problem: error when running uhd_cal_tx_dc_offset

Hi all, I have gnuradio on this system: ubuntu 22.04 uhd 4.3.0.0-14-g1e718d9b gnuradio v3.11.0.0git-316-gc11667ef I have a USRP N200 from 2011 but have not worked with it for the last couple of years. After a long while, I just run $ uhd_cal_tx_dc_offset but got the following error: Creating the

time division duplexing (TDD) with USRP B2xx

I am going to implement a real-time TDD link (in the order of one-millisecond burst durations) using two laptops and two USRP B2xx (in either single antenna or dual-antenna ways). I searched a lot on the net especially GNU Radio's mailing list but could not find any clear techniques or tutorials

Re: vector index selector

ectors, or to add > a block "Vector > Extract" that does what you describe (take vectors in, and have a > parameter with indices > to extract) to master, would certainly be welcome. > > On 14.11.21 07:55, Ali G. Dezfuli wrote: > > Hi all, > > is there a block in GRC to get a vector and output a vector with > selected indexes (as a > > parameter)? > > thanks, > > AGD >

vector index selector

Hi all, is there a block in GRC to get a vector and output a vector with selected indexes (as a parameter)? thanks, AGD

spectrum analyzer problem

flat line as the spectrum with -30 dB (= -30 dBW) but surprisingly it shows -33 dB !!! I use GNU Radio Companion 3.7.13.4 and ubuntu 16.04. Would be grateful if you could help me in this matter. regards, Ali

qt gui frequency sink problem with PSD level

flat line as the spectrum with -30 dB (= -30 dBW) but surprisingly it shows -33 dB !!! I use GNU Radio Companion 3.7.13.4 and ubuntu 16.04. Would be grateful if you could help me in this matter. regards, Ali

raspberry pi + dvb-t2

Hi all, Is there any experience in transmitting DVB-T2 with gnuradio and raspberry pi (any version)? I just wonder if it can work real-time with about 9 MHz sampling frequency of 8 MHz DVB-T2. Thank you! BR, AGD

qt gui frequency sink in frequency hopping

Hi all, I work on a Frequency Hopping (FH) Tx and Rx in the same grc flowchart in 3.7.13.4 in Ubuntu 16.04. At the end of the Tx chain, I put a "Qt GUI Frequency Sink", but it just shows part of subchannels in the spectrum!!! I changed its parameters especially "Update Period" but no change. The

is there anybody who can search at the GR manual?

Hi all, I still have a problem with the GR manual ( https://www.gnuradio.org/doc/doxygen/) In firefox I receive this error: Firefox Can’t Open This Page *To protect your security, www.gnuradio.org will not * *allow Firefox to display the page if another site has *

GR manual (doxygen) has some errors!

Hi all, I'd like to report errors in the GR manual site: *https://www.gnuradio.org/doc/doxygen/ * I can't search by typing in the top right box! I've tested Firefox, Chrome, Chromium, but the same result! For example in Firefox I got this error: Firefox

comparing scalar vs vector items

Hi all, I'd like to compare two GR blocks in terms of performance (especially throughput) 1- using scalar items together with "set_output_multiple (int multiple)" at the constructor, and 2- using vector

comparing scalar items, vector items and tagged streams

Hi all, I have two chronic questions and would be grateful if anybody helps me: 1- between passing items as vectors and using streams with tags which one is more performant? 2- do vector items lose performance comparing scalar items? Thank you, AGD

USRP b200mini initial behavior

with this. regards, Ali G. Dezfuli

transient behavior of "QT GUI Time Sink"

Hi all, I would like to know how the "QT GUI Time Sink" block acts when its input items are limited. For instance, when I connect a "Vector Source" with range(10) as the vector, it shows nothing except when I change its "Number of Points" to 8 or less !!! I really

is buffer flushing possible in GNU Radio?

Hi list, Is there a way to make a block (in fact general block) flush its internal buffer at the end (when there are no input items)? (For example, a simple FIR filter has number of taps more output items than its input items) Thanks in advance! Ali G. Dezfuli

OOT block swig problem (maybe qmake vs cmake)

practical modems. BUT I decided to be more organized by using more object-oriented features. The problem is: the code in qt-creator compiled OK but when I add the block to GRC, I get this error: Generating: '/home/ali/grdrills/top_block.py' Executing: /usr/bin/python2 -u /home/ali/grdrills/to

bug report

tangular QAM which defaults to MSB first that causes Simulink and GRC to not have the same output. regards, Ali

multiple messages in GRC as different commands

Hi all, I wonder if it is possible to command a "Signal Source" block in GRC to change its frequency to several values with the messages. For example, I want to change its frequency to 100 different values during run-time using available blocks (if possible). thanks in advance

Re: [Discuss-gnuradio] Using a named fifo with a file source (was: Re: Discuss-gnuradio Digest, Vol 204, Issue 6)

it through sdr. Best Regards Mokdad On Wed, Oct 9, 2019 at 2:05 PM Müller, Marcus (CEL) wrote: > Hi Ali, > > as requested by the first line of email that you replied to: please > change the title of your emails to something useful, and don't reply to > digests. > > Anyway,

Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 204, Issue 6

, 2019, at 9:21 PM, Barry Duggan wrote: > > Hi Ali, > > I am trying to get an idea of what you really want to accomplish. If it is > simply to get text input to your flowgraph, there are several choices, but > all of them that I have found buffer a line at a time (ending with re

Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 204, Issue 6

e source repeat in no. if repeat is yes then I have the following error [/build/gnuradio-BBYmSv/gnuradio-3.7.11/gr-blocks/lib/file_source_impl.cc] fseek failed can anyone inform me what is the problem? Best regards On Tue, Oct 8, 2019 at 8:00 AM ali mokdad wrote: > Dear > > thx for your reply &

Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 204, Issue 6

> When replying, please edit your Subject line so it is more specific > than "Re: Contents of Discuss-gnuradio digest..." > > > Today's Topics: > >1. fifo / file source (ali mokdad) >2. Re: fifo / fi

Re: [Discuss-gnuradio] fifo / file source

:11 PM Müller, Marcus (CEL) wrote: > Hi Ali, > > it's not quite certain which program you run in that terminal, but: > File I/O is usually buffered, and this sounds like the data is never > written to your FIFO before you exit your terminal program. > > Solution: Use a te

[Discuss-gnuradio] fifo / file source

Dear all I tested the following 1- in terminal, I created a fifo file by: mkfifo in 2- in terminal, I run: cat > in 3- in gnuradio i run : file source (in) --> stream to tagged stream --> tagged stream to pdu --> message debug 4- in terminal, I write and press enter nothing is sent, only if I

[Discuss-gnuradio] problem with tensorflow in gr-inspector

_from_path meta_graph_filename)RuntimeError: Expected meta graph file missing /tmp/cnn/0001/export.meta* would be grateful if you could possibly help me with this. regards Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] multiple gnuradios in parallel

Dear friends, I'd like to have at least two gnuradios in parallel in ubuntu and I insist on installing them "from source" as well. I would be appreciated if you could possibly help me with this. regards Ali ___ Discuss-gnuradio mailing li

[Discuss-gnuradio] Some packets are not received when using USRP N210 SDR and gr-spread FHSS

Hi, I Used the gr-spread project and gmsk mod and demod as shown in the attached file. when simulating without SDR all the packets are received while when running the project with SDR USRP N210 some packets are received and others are not received. 1- Can anyone help me from where I have to

Re: [Discuss-gnuradio] Hardware for MIMO & Beamforming Experiment

Our lab is using USRP N310's with an external frequency synth ($500), a TI dev board splitting chip ($200?) and an external 10 MHz selenium clock ($2k). The set up is very very good but extremely expensive as well. After paying for RF cables and a host server, we are roughly getting 1 channel per

[Discuss-gnuradio] Question on processor micro-architecture and GNU Radio

efit from this compiler option for AVX512 (or other advanced x68-64 ISA) compliant chips? Thank you for your time, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Question on PMT boolean messages

I figured this out today. I used a handle_msg and simply connected a message strobe to the 'junk' msg input. My custom block works as expected now. On Tue, Apr 30, 2019 at 12:56 PM Ali Dormiani wrote: > Hello, > > Thank you for the advice. I went back to the tutorials and now I have a

Re: [Discuss-gnuradio] Question on PMT boolean messages

handler (and leave work empty with a pass) or use work? If so, what should work return, given there are no data-streams involved? Thank you for your time, Ali On Mon, Apr 29, 2019 at 2:49 PM Marcus Müller wrote: > Hi Ali, > causality, our old foe, strikes again! > > You're tr

[Discuss-gnuradio] Question on PMT boolean messages

)* This line should cause the block to output a PMT true through port msg_out right? My full block is attached bellow. Any help would be greatly appreciated. Thank you all for your time, Ali == import numpy as np from gnuradio import gr import pmt import datetime class msg_block

[Discuss-gnuradio] Saving data to file periodically

Thank you all for your time, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] forum to learn more about signal-processing and SDR ?

This book is also a great starting point and reference. Digital Signal Processing by Oppenheim and Schafer Also, here is a fun visual way of getting an alternative understanding of Fourier transforms. https://www.youtube.com/watch?v=spUNpyF58BY Have fun, Ali On Sat, Mar 16, 2019 at 2:24 PM

Re: [Discuss-gnuradio] two versions of uhd installed?

The repos are outdated. I ran into the same problem when first getting started too. You need to compile both UHD and GNUradio from source to get the versions you want. Ettus has a great (very thorough) guide on how to do this.

[Discuss-gnuradio] two channel configuration in GRC

ource" blocks in GRC!? Setting "A:0" for one USRP Source and "B:0" for the other does NOT work! Thanks in advance! regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] build-gnuradio.sh and Linux Mint 19

Yes Ron is right. I have compiled GNUradio 3.7.13.4 many times on various Debian (Mint, Ubuntu) distros and never got such an error. Armchair opinion: the error is some kind of code problem which makes no sense because these developers are very good and check their work aggressively before

Re: [Discuss-gnuradio] build-gnuradio.sh and Linux Mint 19

I am running a server with Mint 19 and had none of these problems. I followed this Ettus page (word for word) to build GNUradio and UHD from source. (without pybombs?) >From what I understand, Mint 19 = Ubuntu 18.04 + Windows-like User interface. On Mon, Oct 29, 2018 at 10:31 AM Marcus D.

Re: [Discuss-gnuradio] build-gnuradio.sh and Linux Mint 19

forgot the link... sorry https://kb.ettus.com/Building_and_Installing_the_USRP_Open-Source_Toolchain_(UHD_and_GNU_Radio)_on_Linux On Mon, Oct 29, 2018 at 12:22 PM Ali Dormiani wrote: > I am running a server with Mint 19 and had none of these problems. > > I followed this Ettus p

Re: [Discuss-gnuradio] Uninstall GNU + dependencies

Did you install GNU radio by compiling source code or with a package manager (apt)? If you installed with a package manager then "sudo apt-get remove " should remove it. If you installed by compiling source you need to go back to "/path/to/source/gnuradio/build" and type "sudo make uninstall"

[Discuss-gnuradio] Getting Started Help (MATLAB like vector indexing) [GNU Radio Companion]

python code directly for non-streaming situations? Thank you for your time, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] parameter types of hier blocks in GRC

hi all but Marcus, cause we've just greeted ;-) when making a hier block in GRC, why doesn't the parameters type transfer to the block? (they always get the 'raw' type!) thanks, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https

[Discuss-gnuradio] "sample delay" in "Decimating FIR Filter" at GRC

hi all, I was wondering what the "Sample Delay" parameter in "Decimating FIR Filter" block in GRC does. Thanks in advance! regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] set_history() for multi-input blocks

Hi all, the question is this: when there is a multi-input (sync) block, if we put set_history(N) in the constructor, does it mean there are separate histories for each input port? thanks ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] USRP DDC and GNURadio Bandwidth Problem

is 50 kHz away from my center frequency. Is it possible? How does the "bandwidth" parameter in UHD Source Block in GNURadio affect the captured IQ data? Regards, Ali 2018-05-14 12:19 GMT+03:00 Derek Kozel <derek.ko...@ettus.com>: > Hello Ali, > > To extend what Marcus

[Discuss-gnuradio] USRP DDC and GNURadio Bandwidth Problem

in MATLAB, the signals are there. It looks like I cannot control the bandwidth with GNURadio. I suspected that there is not any DDC filter for this bandwidth. If it is so, what is the minimum bandwidth for USRPs? Are the bandwidths that I can use discrete? I am confused. Thanks in advance, Ali

[Discuss-gnuradio] GNURadio FFT Plot and UBX Maximum Input Power

. I think it saturates. When the peak at FFT Plot is -10 or -20 dB, the spectrum's shape is good. But the UBX is said to have max. input power of -15dBm which -45 dB. Do I give harm to my daughterboard in this case? I am confused. It does not look that I am harming. Best, Ali

[Discuss-gnuradio] Sync block or general block?

function? Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Buffer: Change the oldest with the newest

want to accumulate some data. Then replace the oldest part of this data with the newest. Should I play with: 1- Max/min output buffers of the blocks in GRC 2- Stream to vector/ vector to stream block combinations 3- Inside Block1 or Block2, change the "consume_each" function Re

Re: [Discuss-gnuradio] Matplotlib and GNU Radio: Dynamic plot

-of-gnuradio.html In this approach, GRC is running "in background". Even I have number sinks, sliders or other wx/qt gui tools, they are not shown. Only matplotlib plots the data. In short, I want to see both matplotlib figure and for example a WX FFT Sink window of GNURadio. Is it possible? How? T

[Discuss-gnuradio] Timer-Chronometer

is the easiest way? Is there any ready tool? Best regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Matplotlib and GNU Radio: Dynamic plot

Hi to all, For those who are interested in, the approach in the following link seems to be useful. I tried for my case, and it is working fine. http://recolog.blogspot.com.tr/2015/08/processing-data-out-of-gnuradio.html Thanks, Ali 2017-09-21 20:04 GMT+03:00 Marcus Müller <marcus.m

Re: [Discuss-gnuradio] Matplotlib and GNU Radio: Dynamic plot

Hi, Actually I want to draw coordinates on a map. So I want to upload a map(a png file, like using imshow function in MATLAB, matplotlib) and then draw points on this map. I think it is not possible by just using QT instruments. Regards, Ali 2017-09-20 21:14 GMT+03:00 Marcus Müller <marcus.m

[Discuss-gnuradio] Matplotlib and GNU Radio: Dynamic plot

these variables? 1- Write them to a .txt file and read by matplotlib at the same time, 2- Without writing the variable anywhere, directly use in matplotlib(somehow) 3- Write a python block and use in GRC directly I don't know whether these can be applied or not. I am open to any ideas. Regards, Ali

[Discuss-gnuradio] installation problem with v3.7.12

have a problem with the data type colors appeared in the GRC (the blocks' parameters are not colored as the previous versions) i have two questions: 1) why is that? 2) how can i install version 3.7.11 (or any previous versions except 3.7.12) instead of 3.7.12 ? thanks a million Ali

[Discuss-gnuradio] data type colors not shown in GRC block parameters

Hi all, I wonder why the GRC data type colors in the block's parameters are not shown! All the entry places are just in white! I am running Debian 9 (stretch) with GNOME and I pulled the latest gnuradio (3.7.12) today and installed that. regards, Ali

Re: [Discuss-gnuradio] GNURadio OOT vector input/output with different size

tion(in1,in2,in3,in4,in5,in6,in7,in8,parameter2,out1,out2,out3,out4);* consume_each(noutput_items); return noutput_items; } } } The "function line" may be inside a for, I am not sure. I am not sure of the bold lines also. What is your overall comments? 2017-07-21 8:52 GMT

Re: [Discuss-gnuradio] GNURadio OOT vector input/output with different size

s-gnuradio <discuss-gnuradio-bounces+wpats= > hotmail@gnu.org> on behalf of Ali <03do...@gmail.com> > *Sent:* Thursday, July 20, 2017 12:13 AM > *To:* discuss-gnuradio@gnu.org > *Subject:* Re: [Discuss-gnuradio] GNURadio OOT vector input/output with > different size

Re: [Discuss-gnuradio] GNURadio OOT vector input/output with different size

'int' to non-scalar type 'std::vector' requested" Best, Ali 2017-07-18 11:51 GMT+03:00 Marcus Müller <muel...@kit.edu>: > Hi Ali, > > I think this should also work, shouldn't it? > > no, that's why I explained what you need to do (use makev). > > Does th

Re: [Discuss-gnuradio] GNURadio OOT vector input/output with different size

] ... float *out1 = (float *) output_items[0] Does this part need to be changed since I am working with the vectors? Thanks, Ali 2017-07-17 16:42 GMT+03:00 Marcus Müller <muel...@kit.edu>: > Hi Ali, > > So, you want one block with: > >- 8 inputs, itemsize0…7 = 100

[Discuss-gnuradio] GNURadio OOT vector input/output with different size

the desired outputs. Do you suggest other type of blocks? Is there any example similar to this work that I can study on? Can you suggest a module name or a link? Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org

[Discuss-gnuradio] OOT: General type block changing parameter with WX GUI slider

box. In .cc file under the place where we define number of input/ouput ports, I declare them as parameter1(p1), parameter2(p2) Then in the .h file, under the private, I declare them as float parameter1; float parameter2; What might be the problem? Best regards, Ali

[Discuss-gnuradio] qt_gui not found

hi there, When i want to use wx gui scope i encounter to the error that qt_gui not found so what should i do i this case? please help me ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] OOT: Output does not update fast. Buffer size?

Hi, I will try to decrease/increase the buffer size by using the " *set_max_output_buffer*" function (I don't know if I can, I will try it as soon as I have time). I am hoping that this will have some effect on the performance. Best, Ali _

[Discuss-gnuradio] OOT: Output does not update fast. Buffer size?

[i]) } consume_each(noutput_items); return noutput_items; } -- In short, I want that one input comes per second(sampling rate 1) and one output is out and displayed. Regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnurad

Re: [Discuss-gnuradio] OOT Module using external function

://lists.gnu.org/archive/html/discuss-gnuradio/2016-08/msg00279.html The problem is solved. Thanks for the help. Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] OOT Module using external function

; i++) { *my_function*(...) } consume_each(noutput_items); return noutput_items; } I don't know how to link .obj files to my module? Could you suggest a piece of code? Or after the things that I told now, is there any major mistake that I am doing? Thanks, Ali 2

[Discuss-gnuradio] buffer allocation warnings

tion#2: If I change either F1 or F2 repeat modes to 'No', why is the size of output file is always zero? Regards, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] qa_polar_xxx and qa_zeromq_xxx failed in the make test!

qa_zeromq_pushpull I'm using debian 8.4 and KDE. Thanks in advance! Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] A question about the KEEP_M_IN_N block source code...

Dear Sir, I was wondering if we can use * "set_fixed_rate()"* in the source code of the block "keep_m_in_n" at its constructor instead of using * "int blks = std::min(noutput_items/d_m, ninput_items[0]/d_n);" * at the general_work ? Thanks a mi

[Discuss-gnuradio] DVB-T Reception Problem

Hi all..Thanks Ron and Federico for your replies. Federico I am now using a USRP N210 to do the recording. The console doesn't outputs any 'O's but instead it outputs a series of 'D's. Now I am also getting synchronized when I use a live signal but after few samples my Gnu Radio's light is dim and

[Discuss-gnuradio] EVM, BER, CFO plots in OFDM system

Dears Hope you are all doing well, I have a project on ofdm using usrp in gnuradio-companion, Is there a tool to plot , Bit Error Rate, Error Vector Magnitude and Carrier Frequency Offset, if not what are the other alternatives regards Nahla ___

[Discuss-gnuradio] Python 2.x or 3.x, C++11 or 14 or what?

Hi everyone, I am a newbie in GNU Radio and trying to delve into it! I have decided on starting Python and C++ but I don't know which versions I should concentrate on! I searched a lot in the site but nothing! I would be grateful if you could possibly help me . sincerely yours! Ali

[Discuss-gnuradio] gr::buffer::allocate_buffer: warning

granularity is 4096 bytes Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] This file requires compiler and library support for the ISO C++ standard

compiler options. My question is, how do I enable this support? Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] This file requires compiler and library support for the ISO C++ standard

Awesome, thank you Bastian! On Mon, Apr 6, 2015 at 11:54 PM, Bastian Bloessl bloe...@ccs-labs.org wrote: Hi Ali, On 07 Apr 2015, at 06:40, Ali Riaz ariaz.1...@gmail.com wrote: Then it says: It must be enabled with the -std=c++11 or -std=gnu++11 compiler options. My question is, how do

Re: [Discuss-gnuradio] Problem in creating an OOT module

Well, it was definitely something simple :) Thank you for your help Tom! Best, Ali On Tue, Mar 17, 2015 at 7:21 PM, Tom Rondeau t...@trondeau.com wrote: On Tue, Mar 17, 2015 at 8:10 PM, Ali Riaz ari...@hawk.iit.edu wrote: Hello everyone, I was wondering if anyone can help me with a small

[Discuss-gnuradio] Problem in creating an OOT module

in this area, and I'm pretty sure that I'm missing something very basic, so I hope someone can help me figure this out. Thank you, Best, Ali ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Controlling File Sink

the current source code as a starting point in adding the extra functionality that's needed. Best, Ali On Fri, Mar 13, 2015 at 12:32 PM, Martin Braun martin.br...@ettus.com wrote: On 12.03.2015 11:36, Richard Bell wrote: Hello all, In GRC, I've set up a packet detector that is working using

Re: [Discuss-gnuradio] Decimation of multiple streams

was able to extend it to the decimation for multiple streams. I've also taken some screenshots so that anyone who's interested can see how I got about to do it: http://imgur.com/a/a0KCX Best, Ali On Sat, Mar 7, 2015 at 3:11 AM, Marcus Müller marcus.muel...@ettus.com wrote: Hi Ali, no, there's

Re: [Discuss-gnuradio] Extracting and storing certain parameters from continuous IQ data

Hey Lou, That's a very interesting approach, I'll look into your example as well. Thank you very much! Best, Ali On Wed, Mar 11, 2015 at 4:39 PM, madengr rfeng...@me.com wrote: You can also use probes to bring out the data asynchronously from the flow which you can then process in Python

[Discuss-gnuradio] Extracting and storing certain parameters from continuous IQ data

of information in a file. Are there any pre-existing blocks that I may use for this purpose? If not, can someone please guide me as to how to accomplish this task? This is what my flow graph looks like at the moment: http://imgur.com/a/O2gXi Thank you, Best, Ali

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