[Discuss-gnuradio] EUSIPCO 2011

Dear Lists, I would like to encourage everybody to send good papers to EUSIPCO 2011 (http://www.eusipco2011.org/), where I will be acting as area chair of "Design and Implementation for Communications applications". BR/ Per Zetterberg ___ Discuss-gnu

[Discuss-gnuradio] Installing the latest gnuradio and gnuradio-companion (grc) in Fedora 14

Hello all - I wanted to share my notes for installing gnuradio in Fedora 14. There were a few snags at first but with help from the friendly folks on discuss-gnuradio, I was able to push through and compile gnuradio and gnuradio-companion in Fedora 14! Note that Installing gnuradio/grc with yum did

Re: [Discuss-gnuradio] gr_qtgui, SWIG. QT Signals and such

On Mon, Jan 3, 2011 at 2:53 AM, Mike Cornelius wrote: > Hi All, > > I've been playing around with gr_qtgui and adding a few 'enhancements' to > suit my application, in doing so I've come to a bit of sticking point and > I'm looking for some advice on how to proceed, my QT and SWIG experience are >

Re: [Discuss-gnuradio] TETRA phase adjustment bits

On Sun, Jan 2, 2011 at 3:02 PM, Harald Welte wrote: > Hi! > > I know this is slightly off-topic, as it is not really related to gnuradio > (despite the USRP and gnuradio being used in my current experiments regarding > TETRA): I think this list is a fine place to ask these kinds of questions.

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

On Sun, Jan 2, 2011 at 11:57 PM, Jimmy Richardson wrote: > Hi, Tom: > > Please see my comments below. > > Thanks > > > On 12/30/2010 11:47 PM, Tom Rondeau wrote: >> >> On Wed, Dec 29, 2010 at 4:32 AM, Jimmy Richardson >>  wrote: Also, keep in mind that fred always develops he own filters

Re: [Discuss-gnuradio] TETRA phase adjustment bits

Dear Tom (and others), On Mon, Jan 03, 2011 at 11:22:11AM -0500, Tom Rondeau wrote: > > > > So the phase adjustment bits need to be set to the negated sum of the > > phase shift of two other bits in the burst. > > > > Let's assume I'm using hc1, hc2 and thus look at the symbols 8 (bit 15+16) > >

[Discuss-gnuradio] Re: A Humble Request....for allowing to copy Circuit into PCB

Hello ALL, Does you have an answer to my request , is there something for charity there is possibility for like me to use USRP1. Kind Regards, On Sun, Dec 12, 2010 at 10:14 PM, Marten Christophe wrote: > Hello Matt, and All, > > Is there possible, you can sell only USRP1 board with all compone

Re: [Discuss-gnuradio] Fw: Need Advice for SDR choice

On Jan 2, 2011, at 1:31 PM, Andrew Rich wrote: > I have a MacBook PRO I7 it can run OS X or windows I have been successfully using the Ettus Research USRP with LFRX, LFTX and WBX boards on my 17" MacBook Pro under OS X (Snow Leopard). Installing the software portion is pretty easy: Install the

Re: [Discuss-gnuradio] Fw: Need Advice for SDR choice

> > On Jan 2, 2011, at 1:31 PM, Andrew Rich wrote: > >> I have a MacBook PRO I7 it can run OS X or windows >> > I have been successfully using the Ettus Research USRP with LFRX, LFTX and > WBX boards on my 17" MacBook Pro under OS X (Snow Leopard). Installing the > software portion is pre

Re: [Discuss-gnuradio] Synchronized packet transmission

If I synchronize two USRPs using pps clock uhd::time_spec_t time_spec = uhd::time_spec_t(0.0); sdev->set_time_next_pps(time_spec); boost::this_thread::sleep(boost::posix_time::seconds(1)); and give the metadata for the frame as following md.time_spec = uhd::time_spec_t(seconds_in

Re: [Discuss-gnuradio] Fw: Need Advice for SDR choice

Very helpful thank you Sent from my iPhone Andrew Rich On 04/01/2011, at 5:22, "Mark J. Blair" wrote: > > On Jan 2, 2011, at 1:31 PM, Andrew Rich wrote: >> I have a MacBook PRO I7 it can run OS X or windows > > I have been successfully using the Ettus Research USRP with LFRX, LFTX and > WB

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

Hi, Tom: Please see my comments below. Thanks On 1/4/2011 12:36 AM, Tom Rondeau wrote: On Sun, Jan 2, 2011 at 11:57 PM, Jimmy Richardson wrote: Hi, Tom: Please see my comments below. Thanks On 12/30/2010 11:47 PM, Tom Rondeau wrote: On Wed, Dec 29, 2010 at 4:32 AM, Jimmy Richardson w

[Discuss-gnuradio] RX waveform is not what I expected...

I have RFX400 daughter boards on both TX and RX side and set them on 450MHz. TX details are below: grc file / image/ scope plot RX deta

[Discuss-gnuradio] MIMO-OFDM 2x1 Alamouti code.

Hi all, Maybe this question has already been done, but I didn't found any relevant information about it. I want to implement a MIMO OFDM system (2X1) with the Alamouti's code in the URSP one, but so far I've only been able to run an OFDM system using the benchmark_ofdm_tx.py and benchmark_ofdm_rx.

Re: [Discuss-gnuradio] RX waveform is not what I expected...

On Tue, Jan 4, 2011 at 12:27 AM, Songsong Gee wrote: > I have RFX400 daughter boards on both TX and RX side and set them on 450MHz. > TX details are below: > grc file / image / scope plot > RX details are below: > grc file / image / scope plot > As you can see, the scope plot on RX side is not wha