Re: [Discuss-gnuradio] Thesis work on GNU Radio

2006-06-26 Thread Daniel Garcia
--- Robert McGwier <[EMAIL PROTECTED]> wrote: > Is this is Master's thesis or a Doctoral thesis/dissertation? I am completing a Master's thesis. > What areas in EE (signal processing, computer > science, etc.) do you find > most attractive and most comfortable or where you > might like to

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Marcus Leech
David Carr wrote: All this RA talk makes me curious about what a typical RA IF setup looks like. Do RA samplers usually employ quadrature sampling (I and Q) or do they sample a "real" signal at twice the desired bandwidth? Also, if the big boys use 1GHz sample rates, what do the little boys u

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread David Carr
All this RA talk makes me curious about what a typical RA IF setup looks like. Do RA samplers usually employ quadrature sampling (I and Q) or do they sample a "real" signal at twice the desired bandwidth? Also, if the big boys use 1GHz sample rates, what do the little boys use? 10s or 100s of

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Nikhil
>doesn't it look like the USB 2.0 is a heavily constraining bottleneck?> > Yes, USB2.0 is the bottleneck.  >And, if I'm not wrong about this, will it be possible in the future to>have a USRP <--> PC interface which doesn't limit us so much.>> Other than 802.11, there aren't many applications that

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Marcus Leech
Matt Ettus wrote: Other than 802.11, there aren't many applications that require more than 8 MHz of bandwidth. Radio astronomy is one, but you can use fewer bits per sample with RA. It is not uncommon to use 1 or 2 bits per sample, which would allow you to cover 128 and 64 MHz respectivel

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Jason Hecker
doesn't it look like the USB 2.0 is a heavily constraining bottleneck? Yes, USB2.0 is the bottleneck. And, if I'm not wrong about this, will it be possible in the future to have a USRP <--> PC interface which doesn't limit us so much. Would something like a dedicated PCI LVDS card be a viable

Re: [Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Matt Ettus
doesn't it look like the USB 2.0 is a heavily constraining bottleneck? Yes, USB2.0 is the bottleneck. And, if I'm not wrong about this, will it be possible in the future to have a USRP <--> PC interface which doesn't limit us so much. Other than 802.11, there aren't many applications th

[Discuss-gnuradio] bandwidth for USRP

2006-06-26 Thread Vincenzo Pellegrini
Hi everybody, this is probably a silly question, but there's one thing i cannot fully understand. Considering that the 2 ADCs per channel on the USRP allow complex samping at 64Msps, and therefore a 64MHz Spectral Bandwidth, and that my inexpensive PC just needs 45% of CPU calculation power in ord

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Robert McGwier
I need php5. php5-dev wants version 1.4 things because Ubuntu there is some issue. I could not get aclocal to work unless I forced aclocal.m4 by hand to call automake-1.9 for example. I got all of these am python not found and other blow ups leading to complete failure. As soon as I m

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Mark Petrovic
I , too, am an Ubuntu 6.06 user.  What were you attempting to fix by modifying gnuradio-core/aclocal.m4?MarkOn 6/26/06, Robert McGwier < [EMAIL PROTECTED]> wrote:Lamar:I installed Ubunto 5.X and GnuRadio just made and ran after I used apt (synaptic) to download any package GnuRadio could not find. 

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Robert McGwier
Lamar: I installed Ubunto 5.X and GnuRadio just made and ran after I used apt (synaptic) to download any package GnuRadio could not find. With Ubunto 6.0X I had to make a modification to aclocal.m4 (and I am sure there are other ways to fix it) in gnuradio-core but otherwise, it just comp

Re: [Discuss-gnuradio] Thesis work on GNU Radio

2006-06-26 Thread Robert McGwier
Daniel: I would think we need a bit more information than this. Your request is a little too wide open. Is this is Master's thesis or a Doctoral thesis/dissertation? If the latter, does it need to be original work? What areas in EE (signal processing, computer science, etc.) do you find

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Lamar Owen
On Monday 26 June 2006 11:42, Marcus Leech wrote: > FC6 is just around the corner--the TEST1 release is already available. > Sigh. Yeah, I had sworn I wasn't going to get back on the Fedora roller coaster; that's why I use CentOS of the servers. But the needs of the bleeding edge have conspire

Re: [Discuss-gnuradio] NetBSD USB progress

2006-06-26 Thread Eric Blossom
On Mon, Jun 26, 2006 at 02:39:32PM -0400, Joanne M Mikkelson wrote: > Hi all, > > As was discussed here earlier (starting from > http://lists.gnu.org/archive/html/discuss-gnuradio/2006-05/msg00045.html > in the list archive), BBN has been working on improving the ugen(4) > driver for NetBSD. > >

Re: [Discuss-gnuradio] Thesis work on GNU Radio

2006-06-26 Thread Robert Roberts
Hi Daniel, My name is Chris Roberts, I'm an MS student at Case Western Reserve University. I'll try to outline my knowledge of the work with GNURadio I am aware of. I am currently finishing my thesis on an undergraduate laboratory curriculum that uses GNURadio and the USRP. P. Dayal, from th

[Discuss-gnuradio] Thesis work on GNU Radio

2006-06-26 Thread Daniel Garcia
Hello Everyone, My name is Daniel Garcia. I'm a electrical engineering graduate student at Texas A&M University - Kingsville. This summer and fall I will be working on the thesis portion of my degree. I am very interested in using my time/effort to contribute to the GNU Radio project while meetin

[Discuss-gnuradio] Re: 802.11 code for GNU Radio

2006-06-26 Thread Bob Vincent
No, we wrote our own async demodulator and slicer. We'll insert the GNU Radio costas loop later, hopefully soon. At 02:28 PM 6/26/2006, Dawei Shen wrote: Hi, Bob I am just curious about which demodulating method you chose. Is it the same as the one in the xpsk example directory, i.e. costas loop

[Discuss-gnuradio] NetBSD USB progress

2006-06-26 Thread Joanne M Mikkelson
Hi all, As was discussed here earlier (starting from http://lists.gnu.org/archive/html/discuss-gnuradio/2006-05/msg00045.html in the list archive), BBN has been working on improving the ugen(4) driver for NetBSD. We've now implemented the changes to the driver and it's handling transfer rates of

[Discuss-gnuradio] Re: 802.11 code for GNU Radio

2006-06-26 Thread Dawei Shen
Hi, BobI am just curious about which demodulating method you chose. Is it the same as the one in the xpsk example directory, i.e. costas loop followed by M&M synchronizer?ThanksDawei ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Marcus Leech
Lamar Owen wrote: I'm curious as to where you've found Fedora to be unstable, and what you mean by unstable. If it means "changes too much too quickly" then, yes, Fedora does do that. It's not unusual to get a couple hundred MB worth of updates in a week's time. GNUradio compiles and works

Re: [Discuss-gnuradio] Correct idiom for frequency-setting when you don't have a tuner-type daughtercard?

2006-06-26 Thread Lamar Owen
On Sunday 25 June 2006 16:48, Eric Blossom wrote: > On Sun, Jun 25, 2006 at 01:40:51PM -0700, Eric Blossom wrote: > > On Sun, Jun 25, 2006 at 01:27:37PM -0400, Marcus Leech wrote: > > > The status bar indicated "failed to set frequency", which comes as a > > > result of 'r' being zero on return fro

Re: [Discuss-gnuradio] Which LinuxOS to use?-->1.Unbuntu, Fedora, Mandrake, FreeBSD

2006-06-26 Thread Lamar Owen
On Friday 23 June 2006 13:16, Gregg Levine wrote: > But anyway of the ones you'v mentioned, Ubuntu is good because its > even easier to use then Debian, which is what it is based on. Mandrake > was renamed Mandriva because of copyright complaints. Fedora is still > too unstable. I personally prefer