Re: [Discuss-gnuradio] problems with benchmark_ofdm and N210

2011-06-08 Thread Morgan Redfield
On Wed, Jun 8, 2011 at 7:20 PM, Marcus D. Leech wrote: > On 06/08/2011 09:51 PM, Morgan Redfield wrote: >> >> Ok. I found another problem in my code. The transmit_path has a >> multiplier in it that was set to 200 (it could go up to 32768). This >> was for the original USRP, but I think UHD needs

[Discuss-gnuradio] UPgrading GNU Radio from 3.2.2 to 3.3.0 in Ubuntu 10.04

2011-06-08 Thread hafiz zimran
Hi would u please guide me to upgrade GNURadio software from 3.2.2 to 3.3.0 in Ubuntu 10.04 using Synaptic Package Manager. Best regards Zimran Rafique ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/di

Re: [Discuss-gnuradio] Question about SMA-SMA coaxial cable

2011-06-08 Thread Joel Koltner
On Wed, 2011-06-08 at 17:50 +0900, Songsong Gee wrote: > I have a question about SMA-SMA coaxial cable offered by Ettus > > Does this cable have an antenna effect? > In other words, if I use this cable, receive gain or some performance > measure is better than what I expected due to this cable b

Re: [Discuss-gnuradio] problems with benchmark_ofdm and N210

2011-06-08 Thread Marcus D. Leech
On 06/08/2011 09:51 PM, Morgan Redfield wrote: Ok. I found another problem in my code. The transmit_path has a multiplier in it that was set to 200 (it could go up to 32768). This was for the original USRP, but I think UHD needs a signal with magnitude<=1. It seems like the signal was probably cl

Re: [Discuss-gnuradio] problems with benchmark_ofdm and N210

2011-06-08 Thread Tom Rondeau
On Wed, Jun 8, 2011 at 9:51 PM, Morgan Redfield wrote: > Ok. I found another problem in my code. The transmit_path has a > multiplier in it that was set to 200 (it could go up to 32768). This > was for the original USRP, but I think UHD needs a signal with > magnitude <=1. It seems like the signa

Re: [Discuss-gnuradio] Question about SMA-SMA coaxial cable

2011-06-08 Thread Josef Vukovic
2011/6/8 Songsong Gee > I have a question about SMA-SMA coaxial cable offered by Ettus > > Does this cable have an antenna effect? > In other words, if I use this cable, receive gain or some performance > measure is better than what I expected due to this cable becoming a kind of > antenna. > Cur

Re: [Discuss-gnuradio] Question about SMA-SMA coaxial cable

2011-06-08 Thread Marcus D. Leech
On 06/08/2011 12:03 PM, Nick Foster wrote: No coaxial cable should act as an antenna except through shield leakage, which is VERY low, especially at low frequencies. To verify that this is the case, attach a 50 ohm SMA termination to the end of your coaxial cable and measure the amount of signal

Re: [Discuss-gnuradio] Increasing the number of DSP motherboards in one USRP in GRC

2011-06-08 Thread Marcus D. Leech
On 06/08/2011 12:52 PM, Josh Blum wrote: here ya go http://gnuradio.org/cgit/jblum.git/commit/?h=uhd/grc/more_channels&id=593e4b643956b2439fd2d3ac919ac5c8e95d I'm immediatelygoing to apply this patch, since it apparently increases my number of motherboards without my having to send lar

Re: [Discuss-gnuradio] Installing UHD with [BOOST not found]

2011-06-08 Thread Josh Blum
On 06/08/2011 01:55 AM, Songsong Gee wrote: > I tried to install UHD in order to use RFX2200 board > > I got UHD from git://code.ettus.com/ettus/uhd.git and got BOOST 1.41.0 > > After building BOOST according to > http://www.boost.org/doc/libs/1_46_1/more/getting_started/index.html > I run cmak

Re: [Discuss-gnuradio] Increasing the number of DSP motherboards in one USRP in GRC

2011-06-08 Thread Josh Blum
On 06/07/2011 11:54 PM, Khalid Jamil wrote: > Hi, > > In gnu-radio-companion, in one UHD-USRP2 device, I can have a maximum of > four motherboards. How can I increase them to eight in one usrp device? > here ya go http://gnuradio.org/cgit/jblum.git/commit/?h=uhd/grc/more_channels&id=593e4b6439

Re: [Discuss-gnuradio] Question about SMA-SMA coaxial cable

2011-06-08 Thread Nick Foster
On Wed, 2011-06-08 at 17:50 +0900, Songsong Gee wrote: > I have a question about SMA-SMA coaxial cable offered by Ettus > > > Does this cable have an antenna effect? > In other words, if I use this cable, receive gain or some performance > measure is better than what I expected due to this cable

[Discuss-gnuradio] Problem wiht peek32 method

2011-06-08 Thread Eduardo Lloret Fuentes
Hello! I am working with USRP2 under Ubuntu 10.10 with the GNU Radio driver. I was successful adding some setting registers to the FPGA code and configuring them with the poke32 method (class usrp2_source_32fc_sptr, module usrp2). What I am not able to perform is a reading of this setting registe

[Discuss-gnuradio] Installing UHD with [BOOST not found]

2011-06-08 Thread Songsong Gee
I tried to install UHD in order to use RFX2200 board I got UHD from git://code.ettus.com/ettus/uhd.git and got BOOST 1.41.0 After building BOOST according to http://www.boost.org/doc/libs/1_46_1/more/getting_started/index.html I run cmake ../ which builds UHD But the result is like below: -- --

Re: [Discuss-gnuradio] Ranging (measure distance) between two radios

2011-06-08 Thread Oswald Berthold
Mario Ruz writes: > Hello, > > This is my first post in the community. I have been thinking about doing this > question, but after having reviewed some of the theory with > digital signal processing, usrp architecture and some approaches for > positioning/raning, I think I need to ask to the ex

[Discuss-gnuradio] Question about SMA-SMA coaxial cable

2011-06-08 Thread Songsong Gee
I have a question about SMA-SMA coaxial cable offered by Ettus Does this cable have an antenna effect? In other words, if I use this cable, receive gain or some performance measure is better than what I expected due to this cable becoming a kind of antenna. Currently I'm looking for a certain cabl