[Discuss-gnuradio] gr-lte

2013-12-11 Thread Baier
Hi Johannes, I have compiled the gr-lte-gr37/gr37-lte branch successfully. Now I see a lot of python files and also grc-files in 37grc, but I dont' now how can I start your LTE receiver application. I can generate the LTE signals and I would like to receive it with your LTE Receiver. Can you

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

2013-12-20 Thread Baier
blocks for the second antenna perhaps? Thank you very much. A. Baier ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] gr-lte

2014-01-16 Thread Baier
what is the problem. thanks! A. Baier Using Volk machine: avx_64_mmx_orc RS GENERATOR cell_id pilots 0 RS GENERATOR cell_id pilots 1 pre_decoder_vcvcset N_ant to 2 pre_decoder_vcvcset decoding style to "tx_diversity" pcfich_demux_vcvcset cell_id = 0 pcfich_demux_vcvc

Re: [Discuss-gnuradio] gr-lte

2014-01-16 Thread Baier
nd if) his decoder goes astray. And: Could you maybe share your IQ samples? Yes of course, but the file is very big. Greetings, Marcus On 16.01.2014 14:18, Baier wrote: Hi Johannes, I have generated an LTE signal with a LTE test generator(downlink signal, RB=50, one antenna) and save it as IQ

[Discuss-gnuradio] build-gnuradio script and ubuntu 14.04

2014-05-19 Thread Baier
Dear all, I tried to install gnuradio on ubuntu 14.04 with build-gnuradio script, but I got the message Your ubuntu release must be at least 9.04 to proceed. I've looked at the script build-gnuradio, the ubuntu 14.04 is included. Can anyone help me please! Thanks in advance A.

[Discuss-gnuradio] GRC problems, saving data to files

2013-07-09 Thread Baier
Dear all, I generated random data with random source block and saved it to rhe file data_1k(File sink). After that I modulated the random data (ofdmmod block, fft size 256, occupied tones 100, cyclic prefix 128) and then demodulated them (ofdmdem block). Then I saved data to the file data_dem

[Discuss-gnuradio] Problems with file sink block in grc

2013-07-25 Thread Baier
Dear all, I have tested the file souce and file sink in grc: file source-- throttle--- file sink The source file is a mp3 file withe the size 3.615.346 bytes The sink file is smaller (unbuffered off): 3.612.672 bytes The sink file (unbuffered on ) is also smaller 3.615.344 bytes. The files should

[Discuss-gnuradio] recv and send frame size

2013-10-15 Thread Baier
Hi all, is there any possibilty to increase the send frame size ans recv frame size of the USRP from the host? Thanks AB ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] recv_frame_size and send_frame_size

2013-10-18 Thread Baier
Hi all, I have changed recv_ frame_size and send frame by typing uhd_usrp_probe "addr0=198.168.10.2,recv_frame_size=4096, send:frame_size=4096". I have also change the MTU size on my host computer to 4096. After starting gnuradio companion the frame size was set to 1472 bytes again. What is h

[Discuss-gnuradio] error code 0xf

2013-10-22 Thread Baier
Dear all, I have increased the buffer frame size from 1472 to 4096 bytes. Than I started my grc application and got the following message: recv buffer smaller than vrt packet offset. UHD source block got error code 0xf. Can somebody help me? Thanks A.B. ___

Re: [Discuss-gnuradio] signal to noise ratio and multiply const

2013-10-31 Thread Baier
Thank you very much! Am 30.10.2013 13:38, schrieb Martin Braun (CEL): On Wed, Oct 30, 2013 at 01:18:53PM +0100, Baier wrote: Hi all, I have simulated ofdm transmitter with 200kbps in grc. Without function multiply const I got a very bad spectrum mask of the transmiitter. If I insert the

[Discuss-gnuradio] LTE framework receiver gr-lte

2013-12-02 Thread Baier
ks! A. Baier ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Creating a signal source block using Python

2012-07-19 Thread Gerald Baier
I was trying that earlier, however, I get this error from my code output_items[0][:] = x #where x equals a numpy.complex64 array with a length of 32 ValueError: operands could not be broadcast together with shapes (4096) (32) Try something like: n_processed = len(x) output_items[0

[Discuss-gnuradio] Volk development using orc

2012-08-09 Thread Gerald Baier
Hi list, I am currently trying to wrap my head around volk and have some questions concerning orc. - Is writing an *.orc file and adding it to the appropriate header under volk/include/volk/ everything that has to be done to get an initial volk kernel? - If I am using orc, do I still have to

Re: [Discuss-gnuradio] Volk development using orc

2012-08-09 Thread Gerald Baier
*)out, (float *)temp1, (float *)temp2, 2*noi); Best regards, Gerald On 10.08.2012 01:32, Nick Foster wrote: Just add the complex stream as floats and multiply the length of the operation x2. --n On Thu, Aug 9, 2012 at 2:42 PM, Gerald Baier mailto:gerald.ba...@student.kit.edu>> wrot

[Discuss-gnuradio] GRC: set order of block instantiations

2012-10-11 Thread Gerald Baier
Hi list, is there a way to set the order of block instantiations in GNU Radio companion? The reason I am asking is, that I want to pass one block as a parameter to another block to get access to its methods. Is there an easier way to do this? Somehow related: Variables configured in GRC are

Re: [Discuss-gnuradio] GRC: set order of block instantiations

2012-10-15 Thread Gerald Baier
On 11.10.2012 21:03, Gerald Baier wrote: is there a way to set the order of block instantiations in GNU Radio companion? The reason I am asking is, that I want to pass one block as a parameter to another block to get access to its methods. Is there an easier way to do this? Just for future

Re: [Discuss-gnuradio] Direct Sequence Spread Spectrum Question.

2012-12-03 Thread Gerald Baier
On 03.12.2012 02:58, Ahmed Zaheer wrote: I am multiplying my file source with GLFSR source and then giving the product to modulation blocks in transmitting flowgraph. In the receiving flowgraph after demodulating the signal I am passing the demodulated signal through PN Correlator block having