Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Paul M. Bendixen
Hello Phone Do you have a git repo that one might throw in ones two coppers? Best Paul 2011/12/15 Phone Naing MYINT > Hi, > > > > Anyone here implemented freq/phase correction and symbol timing correction > in USRP's FPGA? > > > > Recently I implemented Costas loop and Muller & Mueller algori

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Phone Naing MYINT
Hi Paul, I do not have one. Do you implemented them before? PN From: discuss-gnuradio-bounces+phonenaing.myint=sg.panasonic@gnu.org [mailto:discuss-gnuradio-bounces+phonenaing.myint=sg.panasonic@gnu.org] On Behalf Of Paul M. Bendixen Sent: Thursday, December 15, 2011 4:48 PM To: GNURad

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Paul M. Bendixen
Hi Phone No, but I am very interested :D >From your original post it might seem that fresh eyes might hit the spot. I'm more of a VHDL guy, so I might not be too much of a help. I just thought that others might have a better chance of helping if they could see the code. Best Paul 2011/12/15 Phon

[Discuss-gnuradio] wxGUI graphical sink with X11 forwarding broken

2011-12-15 Thread Michael Hartje
dear Readers, wxGUI-sinks seems to be brocken under following circumstances: GnuRadio on 192.168.1.10 (Opensuse 11.4) xterminal on 192.168.1.11 (Opensuse 11.4) 1. connect from x.x.x.11 to x.x.x.10 via ssh -X 192.x.x.10 2. $ gnuradio-companion --> (everything shows fine) 3. run test.grc with a w

Re: [Discuss-gnuradio] DBSRX Error in Latest GR+UHD

2011-12-15 Thread Matthias Schäfer
Hi, still have the error with the latest git of uhd: matze@matze-Studio-XPS-435MT:~/Downloads/uhd/firmware/fx2/usrp1$ uhd_usrp_probe linux; GNU C++ version 4.6.1; Boost_104601; UHD_003.004.000-4f40325 -- Loading firmware image: /home/matze/Downloads/uhd/firmware/fx2/usrp1/usrp1_fw.ihx... done

Re: [Discuss-gnuradio] duration of uhd_rx_cfile script

2011-12-15 Thread Sebastian Döring
On Wed, 14 Dec 2011 08:28:57 -0500 "Marcus D. Leech" wrote: On 14/12/11 08:05 AM, Sebastian Döring wrote: Thanks a lot. Code really looks like what I am looking for. Concerning the machine+Python version combinations that cause seg faults: Is there a known combination that works? Seems lik

[Discuss-gnuradio] (no subject)

2011-12-15 Thread osama mohamed
hi all , I found something that maybe will help me solving my problem which is tune_request_t struct can anyone give me a hint about how can i use it another question is that if i used the function tune_request(target_freq,lo_offset) setting the policy to manual , in this particular case can

[Discuss-gnuradio] question about tune_request_t.hpp

2011-12-15 Thread osama mohamed
hi all , I found something that maybe will help me solving my problem which is tune_request_t struct can anyone give me a hint about how can i use it another question is that if i used the function tune_request(target_freq,lo_offset) setting the policy to manual , in this particular case ca

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Robert McGwier
At high SNR, a single bit is probably enough in the detector and 15 bits in the phase accumulator is also likely more than enough. The error, in my opinion, is elsewhere. Tell us about your work here please: https://www.cgran.org/ after you have set up your git repository here: https://github

[Discuss-gnuradio] UHD Error:The daughterboard manager encountered a recoverable error in init

2011-12-15 Thread merve deniz
I have a usrp1 and want to execute usrp_wfm_rcv.py using TVRX daughterboard. ( Also tried to send a signal with gnuradio-companion. (Usrp-source + scope-sink) ) But an error occured : UHD error : << Welcome to GNU Radio Companion 3.5.1git-22-gf395bd63 >>> Showing: "" Generating: "/home/me

[Discuss-gnuradio] (no subject)

2011-12-15 Thread osama mohamed
hi all, in the example tx_bursts.cpp should i send end of burst packet or not and if i didn't does this affect the transmission procedure osama ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https:

[Discuss-gnuradio] do i have to send the end of burst packet

2011-12-15 Thread osama mohamed
hi all, in the example tx_bursts.cpp should i send end of burst packet or not and if i didn't does this affect the transmission procedure osama ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lis

Re: [Discuss-gnuradio] wxGUI graphical sink with X11 forwarding broken

2011-12-15 Thread Timo Juhani Lindfors
Michael Hartje writes: > GnuRadio on 192.168.1.10 (Opensuse 11.4) > xterminal on 192.168.1.11 (Opensuse 11.4) Not sure if it helps but I use xpra to run gnuradio on a remote computer. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://l

Re: [Discuss-gnuradio] wxGUI graphical sink with X11 forwarding broken

2011-12-15 Thread mleech
On Thu, 15 Dec 2011 17:58:29 +0200, Timo Juhani Lindfors wrote: > Michael Hartje writes: >> GnuRadio on 192.168.1.10 (Opensuse 11.4) xterminal on 192.168.1.11 (Opensuse 11.4) > Not sure if it helps but I use xpra to run gnuradio on a remote computer. __

[Discuss-gnuradio] Pulse Position Modulation

2011-12-15 Thread Domenic Magazu III
Looking for some help in creating a Pulse Position Modulation block. I haven't seen anything on the latest versions of uhd + gnuradio. My only starting point is to use the time_spec for determining when my pulses will be transmitted. Does anybody have experience with this type of modulation and

Re: [Discuss-gnuradio] Pulse Position Modulation

2011-12-15 Thread Nick Foster
On Thu, Dec 15, 2011 at 8:39 AM, Domenic Magazu III wrote: > Looking for some help in creating a Pulse Position Modulation block.  I > haven't seen anything on the latest versions of uhd + gnuradio.  My only > starting point is to use the time_spec for determining when my pulses will > be transmit

Re: [Discuss-gnuradio] Pulse Position Modulation

2011-12-15 Thread Evan Merewether
I think the ADSB project on CGRAN (https://www.cgran.org/wiki/gr-air-modes) implements a PPM demodulator. I have not confirmed this but it seems like a good place to start. Evan Merewether _ From: discuss-gnuradio-bounces+evan=syndetix@gnu.org [mailto:discuss-gnuradio-bounces+

Re: [Discuss-gnuradio] question about tune_request_t.hpp

2011-12-15 Thread Ben Hilburn
Osama - hi all , > I found something that maybe will help me solving my problem which is > tune_request_t struct > > can anyone give me a hint about how can i use it > Have you looked in the UHD manual? http://files.ettus.com/uhd_docs/manual/html/general.html#tuning-notes Or the Doxygen? http:/

Re: [Discuss-gnuradio] DBSRX Error in Latest GR+UHD

2011-12-15 Thread Josh Blum
On 12/15/2011 02:57 AM, Matthias Schäfer wrote: > Hi, > still have the error with the latest git of uhd: > > matze@matze-Studio-XPS-435MT:~/Downloads/uhd/firmware/fx2/usrp1$ > uhd_usrp_probe > linux; GNU C++ version 4.6.1; Boost_104601; UHD_003.004.000-4f40325 > > -- Loading firmware image: > /

Re: [Discuss-gnuradio] Monthly Developers call

2011-12-15 Thread Philip Balister
I forget the usual time? Can you give it to us in UTC? Philip On 12/14/2011 10:52 PM, Tom Rondeau wrote: > We will be having our monthly call tomorrow. Same time and details as usual. > > http://gnuradio.org/redmine/projects/gnuradio/wiki/DevelopersCalls > > I'll try to post an agenda, but I do

Re: [Discuss-gnuradio] Monthly Developers call

2011-12-15 Thread Tom Rondeau
On Thu, Dec 15, 2011 at 2:43 PM, Philip Balister wrote: > I forget the usual time? Can you give it to us in UTC? > > Philip That's why I sent the link to ALL of the other calls we've had. Just look at any one of them. Adding page for today's call now. Time: 2200 UTC, 6 PM EST, 3 PM PST, etc. SI

Re: [Discuss-gnuradio] Monthly Developers call

2011-12-15 Thread Tom Rondeau
Agenda and meeting notes posted: http://gnuradio.org/redmine/projects/gnuradio/wiki/Call20111215 Hopefully the next one will be planned a bit more in advance. I should actually be home for that one... Thanks! Tom On Thu, Dec 15, 2011 at 5:40 PM, Tom Rondeau wrote: > On Thu, Dec 15, 2011 at

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Phone Naing MYINT
Hi, I like to know how gnuradio check the status of freq/phase sync and symbol sync? PN From: Robert McGwier [mailto:rwmcgw...@gmail.com] Sent: Thursday, December 15, 2011 8:53 PM To: Phone Naing MYINT Cc: discuss-gnuradio@gnu.org; usrp-us...@lists.ettus.com Subject: Re: [Discuss-gnuradio] Costa

[Discuss-gnuradio] Peak detection

2011-12-15 Thread Vanessa Gardellin
Dear all, I finally figure out how to receive packet using OFDM and Alamouti but unfortunately looks like I cannot detect all the peaks. 10% of the packets that I receive are right. I think that I experience a phase rotation, i.e. instead of receiving -1, I receive +1 for some preamble symbols and