Re: [Discuss-gnuradio] measuring RSSI - N210 with RFX2400

2013-07-16 Thread Sam mite
With respect to following post: http://lists.gnu.org/archive/html/discuss-gnuradio/2011-06/msg00066.html >>There is an "rssi" >>sensor:>>http://www.ettus.com/uhd_docs/manual/html/dboards.html#rfx-series >> >>from the uhd api: >

Re: [Discuss-gnuradio] Measuring RSS during packet reception

2013-07-16 Thread Nemanja Savic
Any suggestions on this topic, opinions? Best Nemanja On Tue, Jul 9, 2013 at 4:23 PM, Nemanja Savic wrote: > Hi again gnuradioers, > > as always, I would like to ask for your opinion before starting to write > my own block. > Basically, I would like to add a feature to my receiver to be able t

Re: [Discuss-gnuradio] Measuring RSS during packet reception

2013-07-16 Thread Nemanja Savic
The only way that is on my mind is to detect burst and store it in a file, and then to send a message to the block that will read that file, and in case of successfull demodulation and decoding to calcualte signal power, but it looks pretty robust and non elegant. Cheers, Nemanja On Tue, Jul 16,

[Discuss-gnuradio] SRIF workshop at SIGCOMM

2013-07-16 Thread Tom Rondeau
Hi everyone, I want to remind everyone about the Software Radio Implementation Forum (SRIF) workshop at the ACM SIGCOMM conference in August in Hong Kong. I'm on the steering committee of the workshop, and we've been working to build a space for publishing work that takes theory and simulation int

Re: [Discuss-gnuradio] Bug in volk on armv6

2013-07-16 Thread Tom Rondeau
On Thu, Jul 4, 2013 at 4:13 AM, Alexey Bazhin wrote: > Confirming that this fix works. > > But now volk test fails in another place. > > (gdb) run > Starting program: /root/gnuradio-3.6.5.1/build/volk/lib/test_all > [Thread debugging using libthread_db enabled] > Using host libthread_db library >

Re: [Discuss-gnuradio] Simple QAM project

2013-07-16 Thread Tom Rondeau
On Sun, Jul 7, 2013 at 5:50 PM, tom sutherland wrote: > I am new to linux and GNURadio. I don'g follow where the 1 bit/byte is > coming from. Does the audio source not deliver 8bit/sample or how do you > figure that out? I don't see anything such as > "gnuradio>digital>generic_mod_demod.py " in m

Re: [Discuss-gnuradio] Channel Model omits first 3 samples

2013-07-16 Thread Tom Rondeau
On Wed, Jul 10, 2013 at 8:42 AM, Gregory Warnes wrote: > > > On Jul 10, 2013, at 4:47 AM, Tom Rondeau wrote: > >> On Tue, Jul 9, 2013 at 8:38 PM, Gregory Warnes wrote: >>> Hi All, >>> >>> I've been working on calculating BER for simulated transmitter/recieved pair >>> and have noticed that the c

[Discuss-gnuradio] GR Developers' Call, July 18

2013-07-16 Thread Tom Rondeau
Hi everyone, Our July conference call is happening this Thursday, July 18 at 5pm UTC. Details can be found here: http://gnuradio.org/redmine/projects/gnuradio/wiki/Call20130718 Talk to you then! Tom ___ Discuss-gnuradio mailing list Discuss-gnuradio@

Re: [Discuss-gnuradio] Measuring RSS during packet reception

2013-07-16 Thread Nemanja Savic
This looks a bit silly cause I am speaking with myself. Anyway, maybe I can do something with probe_avg_mag_sqr, but maybe somebody can tell me how can I access that block's values from another block? Best, Nemanja On Tue, Jul 16, 2013 at 3:16 PM, Nemanja Savic wrote: > The only way that is on

[Discuss-gnuradio] Loss of synchronization while creating new file

2013-07-16 Thread rmsrms1987
Hi Everyone, I am having some issues with figuring out the cause of a loss of synchronization using the USRP N210. I will be using the USRP as a receiver for a radar system, but I am still in the calibration phase. For calibration testing, I am interested in seeing the stability of the baseband

Re: [Discuss-gnuradio] SIP, PyQt, PyQWT API Conflicts

2013-07-16 Thread Michael Dickens
Joe and I had a discussion off-list. Here's the end-result, confirmed via both internet search as well as local testing: The error generated by the Python command: {{{ > import PyQt4.Qwt5 as Qwt File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-p

Re: [Discuss-gnuradio] Loss of synchronization while creating new file

2013-07-16 Thread Marcus D. Leech
On 07/16/2013 04:31 PM, rmsrms1987 wrote: Hi Everyone, I am having some issues with figuring out the cause of a loss of synchronization using the USRP N210. I will be using the USRP as a receiver for a radar system, but I am still in the calibration phase. For calibration testing, I am interest

Re: [Discuss-gnuradio] sustainable gnuradio MFLOPS for streaming processing

2013-07-16 Thread Tom Rondeau
On Thu, Jul 11, 2013 at 7:17 PM, LD Zhang wrote: > Great, these discussions actually help a lot, I am going to initially design > it to be a factor of 10 less than the theoretical limit. > > There is another question: in the case of no floating point operations at > all, there must be a limit of h

Re: [Discuss-gnuradio] sustainable gnuradio MFLOPS for streaming processing

2013-07-16 Thread LD Zhang
Fantastic! Let us know if there are docs/links and code examples now. Or maybe we will wait till the August presentation? -Original Message- From: trond...@trondeau.com [mailto:trond...@trondeau.com] On Behalf Of Tom Rondeau Sent: Tuesday, July 16, 2013 2:30 PM To: LD Zhang Cc: Nathan West

Re: [Discuss-gnuradio] Loss of synchronization while creating new file

2013-07-16 Thread rmsrms1987
Hi Marcus, Thank you for the prompt reply. I have attached the two python programs that have been written to do this type of acquisition. From Snafoo.py the only section of importance is the Rupdate. Before any file is written, the program checks the hard drive to make sure there is enough spa

Re: [Discuss-gnuradio] Loss of synchronization while creating new file

2013-07-16 Thread Marcus D. Leech
On 07/16/2013 06:34 PM, rmsrms1987 wrote: Hi Marcus, Thank you for the prompt reply. I have attached the two python programs that have been written to do this type of acquisition. From Snafoo.py the only section of importance is the Rupdate. Before any file is written, the program checks the

[Discuss-gnuradio] help QAM16 Encoding / Transmission

2013-07-16 Thread tom sutherland
I want to QAM16 encode a band limited (0-3khz) signal on one computer. I want to connect this computer to another computer running a QAM16 Decoder program. The QAM16 encoded signal needs to be able to be sent over the audio channel(single channel) of the computer. How can take the complex output

[Discuss-gnuradio] FPGA code for N210

2013-07-16 Thread Sam mite
Hi list, I want to compile USRP N210 FPGA code. From where I can get the latest fpga code for USRP N210 ? Please provide the link. Any help will be appreciated. -- Sam ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mai

Re: [Discuss-gnuradio] FPGA code for N210

2013-07-16 Thread Ian Buckley
https://github.com/EttusResearch/uhd Under fpga/usrp2/top/N2x0 -Ian On Jul 16, 2013, at 10:10 PM, Sam mite wrote: > Hi list, > > I want to compile USRP N210 FPGA code. From where I can get the latest fpga > code for USRP N210 ? Please provide the link. Any help will be appreciated. > > --

[Discuss-gnuradio] Specifying parameter type in .xml where parameter is a class defined in python

2013-07-16 Thread Manu T S
Hello, I have a block "ldpc_encoder", which takes as parameter an object of the class "ldpc_parity".The block "ldpc_encoder" and the class "ldpc_parity" are defined in python. The parameter is passed as a variable LDPC_Parity into the __init__() method. I have successfully installed this block usi

Re: [Discuss-gnuradio] Specifying parameter type in .xml where parameter is a class defined in python

2013-07-16 Thread Manu T S
On Wed, Jul 17, 2013 at 12:03 PM, Manu T S wrote: > Hello, > > I have a block "ldpc_encoder", which takes as parameter an object of the > class "ldpc_parity".The block "ldpc_encoder" and the class "ldpc_parity" > are defined in python. The parameter is passed as a variable LDPC_Parity > into the