[Discuss-gnuradio] Info regarding replacing USB with Infiniband Optical Fiber

2007-02-23 Thread Rohit Gupta
Hi, We are working on using GNURadio for using it as RF node capable of 2*2/4*4 MIMO. All the RF nodes are connected to very big FPGA like the one used in "Berkeley Emulation Engine (BEE)" using "Infiniband" Optical Fiber. All the signal processing is implemented in "BEE" hardware. We wanted to r

[Discuss-gnuradio] error make usrp

2007-02-23 Thread mahendra
Hi, everyone. I have problems with installing usrp when i give a command make. The error like this: [EMAIL PROTECTED] usrp-0.12]# make make all-recursive make[1]: Entering directory `/home/usrp/usrp-0.12' Making all in config make[2]: Entering directory `/home/usrp/usrp-0.12/config' make[2]: Nothi

Re: [Discuss-gnuradio] Release candidate 3.0.3rc1 available for testing

2007-02-23 Thread Berndt Josef Wulf
G'day, I've successfully built and tested gnuradio-3.0.3rc1 with pkgsrc see below: barossa: {376} make install ===> Checking for vulnerabilities in gnuradio-3.0.3rc1 ===> Installing for gnuradio-3.0.3rc1 => Automatic manual page handling => Registering installation for gnuradio-3.0.3rc1 gnuradio-

Re: [Discuss-gnuradio] compile failure of svn head with slightly old install

2007-02-23 Thread Greg Troxel
Eric Blossom <[EMAIL PROTECTED]> writes: > The build tree should be linking against the build tree > (non-installed) libs. I agree, and pretty clearly it wasn't. > I understand your goal, but that's not how we're currently doing it. > If you've got a suggestion (and a patch) to handle this robu

Re: [Discuss-gnuradio] compile failure of svn head with slightly old install

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 05:27:45PM -0500, Greg Troxel wrote: > I updated and tried to build the head of svn recently after not having > done so for several weeks. The block code failed to build, > complaining about several pmt_foo functions not being found. I did a > 'make -k install' from top l

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread Robert Cicconetti
On 2/23/07, John Clark <[EMAIL PROTECTED]> wrote: Daniel Garcia schrieb: > can you send me the output from the console? and the command line you used. > > -Daniel This is what I get: ./usrp_tv_rcv_testingNTSC.py -n -f 477.25 -d 26 This may be a stupid question, but does it matter that the freq

Re: [Discuss-gnuradio] compile failure of svn head with slightly old install

2007-02-23 Thread Johnathan Corgan
Greg Troxel wrote: > I updated and tried to build the head of svn recently after not having > done so for several weeks. The block code failed to build, > complaining about several pmt_foo functions not being found. I did a > 'make -k install' from top level, and then it built fine. So it seem

[Discuss-gnuradio] compile failure of svn head with slightly old install

2007-02-23 Thread Greg Troxel
I updated and tried to build the head of svn recently after not having done so for several weeks. The block code failed to build, complaining about several pmt_foo functions not being found. I did a 'make -k install' from top level, and then it built fine. So it seems that the build is linking

Re: [Discuss-gnuradio] RFX400 modifications

2007-02-23 Thread Vincenzo Pellegrini
thanks Brian. vincenzo On Fri, 2007-02-23 at 16:54 -0500, Brian Padalino wrote: > On 2/23/07, Vincenzo Pellegrini <[EMAIL PROTECTED]> wrote: > > Hi Matt, > > > > could you please detail to me the modification needed to use the > > following feature of the RFX400 > > > > > > quote: > > > > " > > A

[Discuss-gnuradio] Re: Preliminary In-band signaling

2007-02-23 Thread Eric Blossom
On Thu, Feb 22, 2007 at 12:43:13AM -0500, Brian Padalino wrote: > On 2/21/07, Eric Blossom <[EMAIL PROTECTED]> wrote: > >I'm planning on adding a section talking about the control channel. > >I expect the control channel payload to be composed of a sequence of > >ops + args that is reasonably easy

Re: [Discuss-gnuradio] RFX400 modifications

2007-02-23 Thread Brian Padalino
On 2/23/07, Vincenzo Pellegrini <[EMAIL PROTECTED]> wrote: Hi Matt, could you please detail to me the modification needed to use the following feature of the RFX400 quote: " Additionally, minor modifications to the board can move receive ports.the frequency range to anywhere from 200 MHz to 8

[Discuss-gnuradio] RFX400 modifications

2007-02-23 Thread Vincenzo Pellegrini
Hi Matt, could you please detail to me the modification needed to use the following feature of the RFX400 quote: " Additionally, minor modifications to the board can move receive ports.the frequency range to anywhere from 200 MHz to 800 MHz (contact Ettus Research for details). " we could b

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread Daniel Garcia
John, You may also want to try increasing the decimation (lowering the bandwidth); this may help cut some noise. Change the -d flag to 32 or 64. -Daniel - Original Message From: Daniel Garcia <[EMAIL PROTECTED]> To: John Clark <[EMAIL PROTECTED]> Cc: GNURadio Discussion List Sent: Fr

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread Daniel Garcia
I see your using an over the air channel. I've only tested with cable tv. The simple detector probably can't deal with the noise found in that signal. I will connect an antenna to my board tonight and look in to that. If you happen to have cable (or the VHF output of a TV receiver) you can try

[Discuss-gnuradio] Deadline Friday 3/2: Open Source SDR track at [EMAIL PROTECTED] Symposium

2007-02-23 Thread Carl Dietrich
2007 Virginia Tech Symposium on Wireless Personal Communications http://wireless.vt.edu/symposium.htm June 6-8, 2007 Special Track for Open Source Software Defined Radio. For the 16th annual Wireless Symposium, [EMAIL PROTECTED] will host a special track focused on Open Source Software Defined

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread John Clark
Daniel Garcia schrieb: can you send me the output from the console? and the command line you used. -Daniel This is what I get: ./usrp_tv_rcv_testingNTSC.py -n -f 477.25 -d 26 Using RX d'board A: TV Rx Rev 3 width:156 height:262 d_output_buffer_size:40872 LEADING_EDGE_DETECTION_THRESHOLD: 0.9 T

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Johnathan Corgan
Trond Danielsen wrote: > Sorry for not expressing myself clearly. This is what I was thinking of: > > d_length = (int)(1ULL << degree)-1; That's a 64-bit unsigned long long constant equal to 1. I need that to be able to shift left by 32; if it were just the 1UL it would fall off the end. > Sor

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Liu Xin
Sorry for the confusion. My program jammer.py got Segmentation error and stopped. Now I am trying to rebuild fftw_3.0.1 (since from previous list in this group, some one suggested to rebuild fftw without --enable-sse), it cannot pass through the make :( Thank you, Xin On Fri, 23 Feb 2007, Eric

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Trond Danielsen
2007/2/23, Johnathan Corgan <[EMAIL PROTECTED]>: Trond Danielsen wrote: > Is this correct? > - - - - - - - - - > gr_glfsr_source_b::gr_glfsr_source_b(int degree, bool repeat, int > mask, int seed) > : gr_sync_block ("glfsr_source_b", > gr_make_io_signature (0, 0, 0), >

[Discuss-gnuradio] Re: Preliminary In-band signaling

2007-02-23 Thread Brian Padalino
On 2/21/07, Eric Blossom <[EMAIL PROTECTED]> wrote: I'm planning on adding a section talking about the control channel. I expect the control channel payload to be composed of a sequence of ops + args that is reasonably easy to parse in the FPGA. Control channel ops will honor the timestamp too.

[Discuss-gnuradio] Re: Preliminary In-band signaling

2007-02-23 Thread Eric Blossom
On Wed, Feb 21, 2007 at 11:11:43PM -0500, Brian Padalino wrote: > Eric, > > I realize what you have checked in is strictly very preliminary (hence > keeping this off-list), but I was curious if you had plans to add > basically every one of the FPGA register settings that might get set > for each b

[Discuss-gnuradio] [EMAIL PROTECTED]: Preliminary In-band signaling]

2007-02-23 Thread Eric Blossom
Moving off-list conversation back to list... --- Begin Message --- Eric, I realize what you have checked in is strictly very preliminary (hence keeping this off-list), but I was curious if you had plans to add basically every one of the FPGA register settings that might get set for each burst tra

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 03:22:28PM -0500, Liu Xin wrote: > Dear Eric: > > Thank you for your response. > My memory size is 515936 kB and the swap size is 835340 kB. > > The program is used to generate some noise to 802.11 communication. > I am generating different signals with a certain pulse wid

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Liu Xin
Thank you. I run the make for fftw multiple times. Each it stops at different files, all because of "/bin/sh: line xxx Segmentation Fault". Best, Xin On Fri, 23 Feb 2007, Brian Padalino wrote: > On 2/23/07, Liu Xin <[EMAIL PROTECTED]> wrote: > > Now I am rebuilding fftw_3.0.1 on Ubuntu, still ge

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Johnathan Corgan
Eric Blossom wrote: > Looks like this needs some QA code. > > The original version probably didn't _really_ generate an m-sequence ;) The QA code is there; it actually checks for the proper auto-correlation properties for all sequences of degree 1 through 11, which implies the length calculation

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Brian Padalino
On 2/23/07, Liu Xin <[EMAIL PROTECTED]> wrote: Now I am rebuilding fftw_3.0.1 on Ubuntu, still get errors when doing the make :( I've seen on my cygwin system where fftw would get a lot of "Resource busy" lines just before make would error out. At times, I've even had to run make up to 10 time

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 12:10:17PM -0800, Johnathan Corgan wrote: > Trond Danielsen wrote: > > Is this correct? > > - - - - - - - - - > > gr_glfsr_source_b::gr_glfsr_source_b(int degree, bool repeat, int > > mask, int seed) > > : gr_sync_block ("glfsr_source_b", > > gr_make_io_si

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Liu Xin
Dear Eric: Thank you for your response. My memory size is 515936 kB and the swap size is 835340 kB. The program is used to generate some noise to 802.11 communication. I am generating different signals with a certain pulse width (e.g. 20us), and fixed idle width (e.g. 1000us). The program runs fo

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Johnathan Corgan
Trond Danielsen wrote: > Is this correct? > - - - - - - - - - > gr_glfsr_source_b::gr_glfsr_source_b(int degree, bool repeat, int > mask, int seed) > : gr_sync_block ("glfsr_source_b", > gr_make_io_signature (0, 0, 0), > gr_make_io_signature (1, 1, sizeof(unsign

Re: [Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Trond Danielsen
2007/2/23, Johnathan Corgan <[EMAIL PROTECTED]>: An implementation of a Galois-form LFSR pseudo-random sequence generator is now in the trunk as of r4613. gr.glfsr_source_b(degree, repeat=True, mask=0, seed=1) degree: The shift register length, 1-32 inclusive repeat: whether to repeat once sequ

Re: [Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 01:45:58PM -0500, Liu Xin wrote: > Hello, All: > > I am using USRP for my project. > I got fragmentation fault when running the python code. Googleing online I > found one soultion might be to build fftw without --enable-sse. > > Therefore I download fftw-3.1.2: > ./config

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread Daniel Garcia
can you send me the output from the console? and the command line you used. -Daniel - Original Message From: John Clark <[EMAIL PROTECTED]> To: Daniel Garcia <[EMAIL PROTECTED]> Cc: GNURadio Discussion List Sent: Friday, February 23, 2007 1:16:55 PM Subject: Re: [Discuss-gnuradio] NTSC

Re: [Discuss-gnuradio] remote gnuradio session

2007-02-23 Thread Johnathan Corgan
Achilleas Anastasopoulos wrote: > but I have not been able to "redirect" > audio to my local computer (eg, usrp_wfm_rcv.py does not work). > > Any ideas how to fix this? The X remote protocol doesn't ship sound. It's not trivial, but there's a solution: http://www.radscan.com/nas.html Your di

Re: [Discuss-gnuradio] convolutional code + viterbi working

2007-02-23 Thread Vincenzo Pellegrini
Hi Achilleas, yes.. I had got a bit confused about how to use these blocks... is this correct instead? Nfft=2048 file_source_bytewise=gr.file_source(gr.sizeof_char, "/mnt/root/gnuradio_datastreams/1.MPG") file_chunker=gr.packed_to_unpacked_bb(1,gr.GR_LSB_FIRST

Re: [Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread John Clark
Daniel Garcia schrieb: Hello, I've completed a prototype for an NTSC decoder blockset for gnu radio. It's not very sophisticated but it lets you see video on the screen using gr-video-sdl. My development platform is Ubuntu 6.10 x86. All I got was a black window. I know there is an analog TV

[Discuss-gnuradio] remote gnuradio session

2007-02-23 Thread Achilleas Anastasopoulos
Maybe this is a bit off topic (I apologize): I want to do a gnuradio demo using a laptop and connecting remotely to my desktop (where gnuradio is installed and the USRP is connected). Using ssh -Y I can get all windows appear etc (eg, usrp_fft.py works fine), but I have not been able to "redirec

[Discuss-gnuradio] Galois-form LFSR now in trunk (r4613)

2007-02-23 Thread Johnathan Corgan
An implementation of a Galois-form LFSR pseudo-random sequence generator is now in the trunk as of r4613. gr.glfsr_source_b(degree, repeat=True, mask=0, seed=1) degree: The shift register length, 1-32 inclusive repeat: whether to repeat once sequence completes (True, False) defaults to Tr

[Discuss-gnuradio] segmentation error and fftw make error

2007-02-23 Thread Liu Xin
Hello, All: I am using USRP for my project. I got fragmentation fault when running the python code. Googleing online I found one soultion might be to build fftw without --enable-sse. Therefore I download fftw-3.1.2: ./configure -prefix=$home --enable-single --enable-shared make The make fails [ra

[Discuss-gnuradio] NTSC Receiver

2007-02-23 Thread Daniel Garcia
Hello, I've completed a prototype for an NTSC decoder blockset for gnu radio. It's not very sophisticated but it lets you see video on the screen using gr-video-sdl. My development platform is Ubuntu 6.10 x86. The signal starts out by using a custom AGC which simply scales the samples by div

[Discuss-gnuradio] ping example

2007-02-23 Thread Roberto Mastrodonato
Hi all anybody knows something about PING example in USRP architecture, got by OFDM modulation? If yes, could you drive me to that? 10x a lot Roberto ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/disc

Re: [Discuss-gnuradio] convolutional code + viterbi working

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 11:31:22AM -0500, Achilleas Anastasopoulos wrote: > Eric, > > I have developed a generic interleaver class and int/deint blocks in > gr-trellis. They can handle any kind of interleaving (block, random, > convolutional, file specified permutations, etc) and also interleave

Re: [Discuss-gnuradio] convolutional code + viterbi working

2007-02-23 Thread Achilleas Anastasopoulos
Eric, I have developed a generic interleaver class and int/deint blocks in gr-trellis. They can handle any kind of interleaving (block, random, convolutional, file specified permutations, etc) and also interleave chunks of data at a time. I am sure the interleave block in gr-astsc can be wrap

Re: [Discuss-gnuradio] Re: Re: transmitting two independent Signals

2007-02-23 Thread Eric Blossom
On Fri, Feb 23, 2007 at 10:17:21AM +0100, anmar wrote: > Eric Blossom wrote: > > On Wed, Feb 21, 2007 at 11:11:17AM +0100, anmar wrote: > >> > stream of complexes. (Yes, the interface is a bit strange and ought > >> > fg.connect(interleaver, u) > >> > That's right. If you're using a single Basi

Re: [Discuss-gnuradio] The shortest pulse length

2007-02-23 Thread Lee Patton
The shortest pulse duration which you can transmit is going to be limited by: a) the sampling rate of the converters b) the USB interface c) the bandwidth of IF/RF components I don't know your exact setup. So, let me provide an example of what I'm doing: I transmit and receive in an always

[Discuss-gnuradio] The shortest pulse length

2007-02-23 Thread seph 004
Hi Does anyone know what the shortest duration pulse is which the USRP can transmit? I've tried to test it by using gr.head to limit the number of samples to produce a short waveform, but I can't catch anything appearing at the output. Is there a simple test I could do to check? Regards Lance

[Discuss-gnuradio] ARRL seeking comments on new digital HF radio protocol

2007-02-23 Thread Ramakrishnan Muthukrishnan
http://www.arrl.org/news/stories/2007/02/22/102/?nc=1 ARRL Seeks Comments on New HF Digital Protocol NEWINGTON, CT, Feb 22, 2007 -- The ARRL is seeking comments from amateurs concerning development of an open-source (non-proprietary) data communications protocol suitable for use by radio amateur

[Discuss-gnuradio] Re: Re: transmitting two independent Signals

2007-02-23 Thread anmar
Eric Blossom wrote: > On Wed, Feb 21, 2007 at 11:11:17AM +0100, anmar wrote: >> > stream of complexes. (Yes, the interface is a bit strange and ought >> > fg.connect(interleaver, u) >> > That's right. If you're using a single Basic Tx daughterboard, and >> > you want independent real output out