Re: Python 3.12 - No module named 'gnuradio' or 'pmt'

On Tue, Feb 13, 2024 at 3:27 PM Elmore Family wrote: > I just installed Python 3.12 and I got the subject error when running a > script that has been successful under 3.9.2. > > What is happening? > Check your PYTHONPATH versus where gnuradio is installed. Brian >

Re: RFNOC tutorial

On Sat, Feb 10, 2024 at 2:14 PM Chris wrote: > All, I am trying to offload some of my processing power onto my X310's > FPGA. I have the environment set up but still find myself confused on how > to build the out of tree block. I was able to add a block and I'm not sure > what to do next? > > >

Re: status of RFNoC Fosphor and build recommendations

On Thu, Jul 27, 2023 at 8:40 PM Clint Scarborough < clinton.scarboro...@gmail.com> wrote: > I'm trying to run GNURadio with the RFNoC Fosphor block. I first tried > building UHD 4.4 and GNURadio 3.10 or 3.11. I had read the Readme for > gr-ettus that said for GR3.10 to just use gr-uhd directly.

Re: How can I split a periodic signal?

On Thu, Aug 25, 2022 at 1:55 PM James Wanga wrote: > I'm receiving a phase modulated signal representing a periodic pulsed byte > that looks something like this: > > > -|-|||--||-|||---|---|- > > I'm trying to understand how I might split

Re: Problem using volk_32fc_s32fc_multiply_32fc function with vector params

On Mon, May 2, 2022 at 11:26 PM George Edwards wrote: > Hello GNURadio Community, > > I am having a problem using the above function with vector parameters. If > I use an array say: > gr_complex my_val[240]; > volk_32fc_s32fc_multiply_32fc(my_val, my_val, scale, 240); > > It works! But if I

Re: Resampling radio data

On Wed, Feb 17, 2021 at 12:02 PM Marcus Müller wrote: > Hi Brian, > > On 17.02.21 16:55, Brian Padalino wrote: > > On Wed, Feb 17, 2021 at 10:05 AM Marcus Müller muel...@kit.edu>> > > wrote: > > > > Oh, sorry, didn't mean to imply that! FFT interpola

Re: Resampling radio data

On Wed, Feb 17, 2021 at 10:05 AM Marcus Müller wrote: > Oh, sorry, didn't mean to imply that! FFT interpolation might work well > (if you can live > with the sinc sidelobes). > If the bandwidth is already constrained to 20MHz/23MHz, then there would be no sidelobes - correct? > > I do have a

Re: Resampling radio data

On Wed, Feb 17, 2021 at 8:01 AM Marcus Müller wrote: > Rough performance estimate: > > for a 1/10 transition width filter (which is sufficient to keep 20 of 25 > MHz Nyquist), you > need an expertly guesstimated [1] 24-ish taps, so go for 25 taps: that > happens to be > exactly the minimum

Re: Resampling radio data

On Tue, Feb 16, 2021 at 5:21 PM Mark Koenig < mark.koe...@iubelttechnologies.com> wrote: > The BWs are 20mhz, 40mhz and 80Mhz respectively. The host can range from > a server with 48 cores(2.6Ghz), 256GB ram to a laptop with 8 cores(3.0Ghz), > 64GB ram. > Have you tried using the blocks you

Re: Resampling radio data

On Tue, Feb 16, 2021 at 4:14 PM Mark Koenig < mark.koe...@iubelttechnologies.com> wrote: > Hello, > > > > I am receiving data from a radio at 23Msps, and I would like to resample > to a rate of 25Msps in which my software program can ingest it. I am aware > of the Fractional Resampler and the

Re: aliasing with X310 BasicRX (higher order Nyquist zone) ?

On Mon, Jul 20, 2020 at 11:32 AM jean-michel.fri...@femto-st.fr < jean-michel.fri...@femto-st.fr> wrote: > Indeed second Nyquist zone before decimation. > My thought was > 143.05 MHz -> transpose by 100 MHz using the DDC (NCO at 100 MHz > considering the > 200 MHz sampling rate) to reach 43.05,

Re: Large baseband spikes from gr-digital OFDM transmitter

On Tue, Jun 23, 2020 at 10:38 AM Manav Kohli wrote: > Hello, > > This problem is visualized here: > https://www.dropbox.com/s/w7kdmf9dewwdomx/20M_2974_20_15_nocal_packet_time_tx.png?dl=0 > > This is an OFDM packet consisting of 6 symbols: the default sync word 1&2, > SIG field and three data

Re: GNU Radio 3.7 on Ubuntu 20.04

On Thu, May 14, 2020 at 4:56 PM Alex Humberstone < alex.m.humberst...@gmail.com> wrote: > Brian, yeah good questions. So, the computers in my lab are going to all > be running Ubuntu 20.04 like next week, so we're forced to use that. Not > that I mind. I like Ubuntu a lot. And I'm planning to use

Re: GNU Radio 3.7 on Ubuntu 20.04

On Thu, May 14, 2020 at 11:30 AM Alex Humberstone < alex.m.humberst...@gmail.com> wrote: > The new Ubuntu 20.04 does not include Python 2 anymore. But GNU Radio 3.7 > requires Python 2. So then can you run GNU Radio 3.7 on Ubuntu 20.04? I > think there's still a package that you can instal to add

Re: GMSK bandwidth

On Wed, May 6, 2020 at 7:48 PM Artur Nogueira wrote: > Hello guys, > > I'm trying to generate a GMSK signal in accordance to the GSM > specifications. To do so, I've been trying with both "GMSK Mod" and "GMSK > Modulator" blocks, the last one with the following parameters: > > [image: image.png]

Re: Stucked on a trivial interpolation issue

On Mon, Mar 23, 2020 at 1:57 PM Christophe Seguinot < christophe.segui...@orange.fr> wrote: > Great I was searching for this feature. > > Nevertheless, they are some things I don't understand in the interpolation > bloc!! > Mathematically, zero stuffing is the correct interpolation mode when

Re: Stucked on a trivial interpolation issue

On Mon, Mar 23, 2020 at 1:26 PM Christophe Seguinot < christophe.segui...@orange.fr> wrote: > First answer to myself : > >- I should have used an empty value for parameter taps. This only >works for Rational resampler, not for interpolation. > > Question: > >- How can I interpolate

Re: SDR transceiver having independent mixer and ADC sampling clocks

On Wed, Feb 26, 2020 at 4:23 PM Heikki Laamanen wrote: > > So you want to produce something like a stable 10MHz reference and a > 1PPS which is synchronous to UTC using broadcast/terrestrial signals such > as DVB-T, ATSC, LTE, etc? And your edges can be within +/-50ns of actual > UTC? > > > >

Re: SDR transceiver having independent mixer and ADC sampling clocks

On Tue, Feb 25, 2020 at 2:00 PM Heikki Laamanen wrote: > Thanks Brian. You are right, there exists three VCOs and PLLs in the > AD9361 which can be controlled independently. > > > > AD9361 Reference Manual UG-570 shows a more detailed diagram in Figure 7. > on page 20. The baseband PLL comprises

Re: SDR transceiver having independent mixer and ADC sampling clocks

On Mon, Feb 24, 2020 at 10:39 AM Heikki Laamanen wrote: > Hi experts in SDR RF transceivers, > > > > I am working on a timing and synchronization system which generates a > high-precision timing signal from a terrestrial broadcast signal. I am > looking for a suitable SDR HW-board providing

Re: Help : UHD

On Tue, Feb 11, 2020 at 11:15 AM "Till Hülder" wrote: > > Hello, > > i want to implement a FMCW-Radar in a frequency-chirp. First i tested the > frequency-chirp . I send the chirp from TX to RX of my USRP. > I get this warning : > > UHD Warning: > For this connection, UHD recommends a

Re: FBMC

On Sun, Feb 2, 2020 at 10:40 AM Madhan TJ wrote: > CAN WE IMPLEMENT FBMC (filter bank multi carrier ) IN GNU RADIO , > IF YES, > ANYONE PLEASE HELP ME > I believe the MarmotE team from the DARPA SC2 used FBMC in their modem that they open sourced: https://marmote.io/

Re: Recommendation for high sample rate receiver?

On Sun, Jan 26, 2020 at 6:42 PM Mike wrote: > The device in question is to replace an existing RF-to-baseband > component of a geographically distributed signal collection system. > Each receiving station samples the 6 MHz passband, detects a signal and > estimates a time-of-arrival, then sends

Re: Recommendation for high sample rate receiver?

On Sun, Jan 26, 2020 at 1:20 PM Mike wrote: > Hello, > > I am hoping someone on the list could suggest a device that receives in > lower L-band (1.0 to 1.6 GHz) and can cover 6 MHz (+/- 3 MHz around > center) at (and here's the trick) 500 MS/second with at least 8 bits of > resolution. I'm

Re: [Discuss-gnuradio] need example Costas loop code

On Mon, Mar 11, 2019 at 11:35 AM Chesir, Aaron M. wrote: > Folks, > > > > I am going through a series of on-boarding projects using GNUradio, and > one of the projects requires access to a copy of Python source code for an > example of a Costas loop. Specifically, the project refers to a file “

Re: [Discuss-gnuradio] [USRP-users] continous Tx voice transmission

On Wed, Mar 6, 2019 at 3:12 PM Marcus Müller wrote: > I've had rather longish discussions on how to solve this; essentially: > for something that actually *solves* the issue (instead of postponing > it), as Ian said, you'd need to have clock domain crossing ability. > Could message passing from

Re: [Discuss-gnuradio] BladeRF + osmosdr + gnuradio

On Wed, Mar 9, 2016 at 1:56 PM, M. Ranganathan wrote: > Hello, > > I am trying to get bladeRF to work as a receiver in order to decode LTE > signals from within a gnuradio block. Here is my configuration : > > > self.u = osmosdr.source( args="numchan=" + str(1)

Re: [Discuss-gnuradio] VOLK: fast way to log10()?

On a side note, this is extremely impressive and I wish I knew about it sooner: https://software.intel.com/sites/landingpage/IntrinsicsGuide/ There's a few different log10_ps (packed single) functions in there. Brian On Wed, Sep 16, 2015 at 12:24 AM, Dennis Glatting

Re: [Discuss-gnuradio] VOLK: fast way to log10()?

On Wed, Sep 16, 2015 at 12:24 AM, Dennis Glatting wrote: > > 1) Working with VOLK to learn VOLK. > 2) Having fun with vectors. > 3) Generating power data points for plotting across a selected >set of samples. Lastly, another alternative, if you wanted to utilize what is

Re: [Discuss-gnuradio] VOLK: fast way to log10()?

It sounded like a fun and interesting question, so apparently there is a little post from 2007 about a new implementation in C licensed under GPLv2: https://sourceware.org/ml/libc-alpha/2007-06/msg00124.html It would be interesting to compare and see if the results are beneficial even if no

Re: [Discuss-gnuradio] DC-block block

On Fri, Mar 20, 2015 at 9:45 AM, Marcus D. Leech mle...@ripnet.com wrote: I'm wanting to use the DC-block block, and I have questions about its use. My scenario is to use it as a cheap high-pass, with a corner frequency of a few milli-hertz, with samples arriving at 50Hz. It's not clear how

Re: [Discuss-gnuradio] Simple Frame Detection

On Sun, Feb 8, 2015 at 11:01 AM, Aditya Dhananjay adi...@cs.nyu.edu wrote: Hello Daniel, Are you using OFDM? If so, read on, otherwise disregard the rest of the email. This sounds much less like a problem with regards on how to figure out the synchronization but more about how to do it inside

Re: [Discuss-gnuradio] Distorted QPSK Constellation

On Thu, Jan 15, 2015 at 1:41 PM, Salman Dinani salmandin...@gmail.com wrote: Hi to all, Thanks very much to all of you for your valuable suggestions.In accordance with your suggestions, I experimented with my designed DQPSK system and got few problems which I am listing down.All the

Re: [Discuss-gnuradio] Distorted QPSK Constellation

It's a constellation plot for sure - says it right on the block in the PNG, but it's all internally generated anyway. There should be 1 perfect phase, then 3 out of phase points. No noise - no phase/frequency offset. Timing shouldn't be an issue here even if it were a normal plot. I think the

Re: [Discuss-gnuradio] Odd Behavior

Unless your CPFSK is defined such that each bit is +/-90 degrees, then you're right. If you are setup to have +/-90 degree phase shifts per bit, then each bit transition time should fall on 0, 90, 180 or 270 exactly. No slight phase shifts one way or the other in the transmitter. My guess is

Re: [Discuss-gnuradio] gr-fcdproplus for non-Linux?

We ran into the clock_gettime issue for the bladerf library implementation. We fixed it like this: https://github.com/Nuand/bladeRF/blob/master/host/utilities/common/src/osx/clock_gettime.c According to stackoverflow, the pthread_barrier_t is discussed here:

Re: [Discuss-gnuradio] Again gr/bladeRF/gr-osmosdr/libusbx/gqrx do not fit together

Hi Ralph, libusb_get_version() was added I believe around 1.0.10? It's wrapped in a logging enabled flag so if you disable logging then maybe it will get past it:

Re: [Discuss-gnuradio] QAM Modulation-Demodulation in Loopback

On Tue, Dec 3, 2013 at 1:44 PM, Kartik Seth kartikset...@gmail.com wrote: I am transmitting and receiving from the same bladeRF board using a cable and a 20 dB attenuator. If you see in the flowgraph I multiply by 0.3, that is specifically to prevent clipping and non-linearity. I have tried

Re: [Discuss-gnuradio] Gauging interest for an SDR PA

On Tue, Nov 26, 2013 at 9:37 PM, Louis Brown rfe...@everestkc.net wrote: Given the availability of SDR hardware (USRPs, BladeRF, HackRF, etc) covering VHF through S/C bands, is there any interest in a wide band power amp to complement this hardware? GaN seems to be ubiquitous now, and there

Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

On Thu, Oct 10, 2013 at 1:52 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, Looks like there is something missing from your libbladeRF.so. The repository shows they were added on October 2nd. Are you sure you're building the latest stuff? Should be the latest, when doing a git

Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

On Wed, Oct 9, 2013 at 2:23 PM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, After cleaning everything still the message: /usr/local/lib/libgnuradio-osmosdr.so: undefined reference to `bladerf_fpga_version' /usr/local/lib/libgnuradio-osmosdr.so: undefined reference to

Re: [Discuss-gnuradio] gqrx / gnuradio / BladeRF

Hi Ralph, I've noticed that as well, and we need to fix it. I believe it's a bug. Not sure if it's in libbladeRF or gr-osmosdr, but we're on it. Sorry for the inconvenience. Brian On Tue, Oct 1, 2013 at 3:14 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, Not exactly the perfect

Re: [Discuss-gnuradio] gqrx / gnuradio / BladeRF

On Tue, Oct 1, 2013 at 10:41 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, Hi Ralph, I've noticed that as well, and we need to fix it. I believe it's a bug. Not sure if it's in libbladeRF or gr-osmosdr, but we're on it. OK, great to hear. Sorry for the inconvenience. Huh?!

Re: [Discuss-gnuradio] bladeRF - gr-osmosdr - gqrx - bandwidth?

On Fri, Sep 13, 2013 at 2:19 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, I am using bladeRF with gr-osmosdr, gnuradio 3.7 and gqrx, so far a fine radio. One thing, when using gqrx...I am limited to USB2.0 at the moment, so I use a sampling rate of 8 Ms/s, and in this mode I have

Re: [Discuss-gnuradio] bladeRF - gr-osmosdr - gqrx - bandwidth?

On Fri, Sep 13, 2013 at 3:58 PM, Alexandru Csete oz9...@gmail.com wrote: On Fri, Sep 13, 2013 at 3:53 PM, Brian Padalino bpadal...@gmail.com wrote: On Fri, Sep 13, 2013 at 2:19 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, I am using bladeRF with gr-osmosdr, gnuradio 3.7 and gqrx

Re: [Discuss-gnuradio] bladeRF and gnuradio?

On Mon, Sep 9, 2013 at 6:43 AM, Ralph A. Schmid, dk5ras ra...@schmid.xxx wrote: Hi, Are there any out here with experience in getting bladeRF being usable with gnuradio/grc? So far I followed the usual steps, bladerf and gr-osmosdr compiled, but as documentation is being far from getting

Re: [Discuss-gnuradio] Low cost SDR hardware

Hi Manu, What is your output power requirement? Frequency coverage? Do you have a target price? Do you have LO phase coherency requirements? Support for nuand's bladeRF was just recently pushed to gr-osmosdr for both GNU Radio 3.6 and 3.7. The output power is 6dBm CW, so with some backoff

Re: [Discuss-gnuradio] ATSC Magic coupling constant

On Tue, Jul 30, 2013 at 5:55 PM, Andrew Davis glneolistm...@gmail.comwrote: Hello all, I'm working on fixing up gr-atsc and I have been working on a little problem for a while now, there is a constant ( FPLL_BTLOOP_COUPLING_CONST ) that sets the reference for an AGC, the value is ( 2.5 *

Re: [Discuss-gnuradio] VITA49 - VRT Output from spectrum analyser

On Wed, May 15, 2013 at 10:20 AM, Charlie Starling fool2c...@gmail.comwrote: Hi all, I have a spectrum analyser that outputs its I and Q data over TCP or UDP in the VITA49 format, I've been searching around looking for a way to interface this into gnuradio but all the information I can seem to

Re: [Discuss-gnuradio] Computer controllable antenna tuner

On Mon, May 13, 2013 at 10:52 AM, Marcus Müller master.of.knowle...@gmail.com wrote: Hi Juha, there's a lot of devices that do your job. From the classic commercial-grade devices of the USRP line, to cheaply available rx modules like the (in)famous dvb-t dongles. You can use the tuners on

Re: [Discuss-gnuradio] i have a question about channel model block

Hi Irfan, You should check out the propagation models from the 3GPP, specifically in 3GPP TS 45.005 Annex C has some channel models you can take a gander at trying to model different types of terrain. Good luck! Brian On Mon, May 6, 2013 at 6:29 AM, Irfan Ullah irfancoms...@yahoo.com wrote:

Re: [Discuss-gnuradio] ofdm demodulation

On Wed, Apr 17, 2013 at 6:30 AM, Karan Talasila karan@gmail.com wrote: Hi, I am trying to understand ofdm demodulation using schmidl and cox paper. Can anybody explain how a pn sequence on even frequencies and 0 on odd frequencies help in the estimation of timing and frequency offset.

[Discuss-gnuradio] Redmine, GNU Radio Wiki and LaTeX

I tried looking but I couldn't find a way to inline LaTeX equations on the GNU Radio wiki or if there was some plugin required that wasn't installed? Something like mathjax support would be great if we could have it, but I am completely out of my element here. Suggestions? Ideas? Am I just

Re: [Discuss-gnuradio] Error in Interpolating FIR filter

On Fri, Apr 5, 2013 at 8:29 AM, Tom Rondeau t...@trondeau.com wrote: On Fri, Apr 5, 2013 at 1:31 AM, Manu T S manu.t.s...@gmail.com wrote: Executing the attached flow graph I get the following error. #

Re: [Discuss-gnuradio] Need help

On Wed, Apr 3, 2013 at 10:56 PM, vamshi krishna dodla vamshikrishna.do...@gmail.com wrote: can some one send me a flow graph of QPSK transmitter and receiver, this flow graph should include a root raised cosine filter, qpsk generator, multipath channel, additive gaussian noise source, snr

Re: [Discuss-gnuradio] Talking about DSP and SDR [Was: On tunnel.py]

On Sat, Mar 30, 2013 at 3:09 PM, Tom Rondeau t...@trondeau.com wrote: I'd suggest that Brian start formatting the page based on the list he put above, but I think we might be better served by having someone come up with a full page for something, like the OFDM model you mentioned, so we can

Re: [Discuss-gnuradio] Talking about DSP and SDR [Was: On tunnel.py]

On Sat, Mar 30, 2013 at 9:54 AM, Tom Rondeau t...@trondeau.com wrote: To move on in this topic, Alex brings up an interesting point. One of the reasons for this mailing list is to discuss signal processing, SDR, algorithms, etc. Hopefully in a way that helps us improve either GNU Radio itself

Re: [Discuss-gnuradio] bit error rate

On Fri, Mar 8, 2013 at 8:47 PM, manjusha yandamuri.ma...@gmail.com wrote: ber_before_tx.png http://gnuradio.4.n7.nabble.com/file/n40088/ber_before_tx.png ber_tx.png http://gnuradio.4.n7.nabble.com/file/n40088/ber_tx.png It doesn't look like you're doing any carrier recovery? Before putting

Re: [Discuss-gnuradio] How to get the carrier's frequency offset in PM demodulator?

On Wed, Jan 30, 2013 at 9:30 AM, adream adream...@gmail.com wrote: I am feel sorry for no reply It's just been a day - sometimes if the answer doesn't come quickly, people are confused by what you're asking. 2013/1/30 adream adream...@gmail.com Does gnuradio provide this function?

Re: [Discuss-gnuradio] USB-3 40MHz BW 300MHz -3.8GHz SDR Transceiver 400 USD

On Wed, Jan 30, 2013 at 12:49 PM, Martin O'Shield mar...@windycitysdr.comwrote: William, Thanks for making me aware of this: 100Khz - 20Ghz for their SDR boards, but their Front ends are: RFE0108 100 kHz to 10 GHz Radio Front End High performance radio receiver front end with

Re: [Discuss-gnuradio] FSK performance as a function of Fd?

On Sun, Dec 16, 2012 at 9:39 PM, Michael Ossmann m...@ossmann.com wrote: On Sun, Dec 16, 2012 at 11:27:47PM +0100, Joanna Rutkowska wrote: Thanks for the detailed answer! I did some more study and my understating is that what you wrote above applies to (theoretical) coherent

Re: [Discuss-gnuradio] SRRC pulse shaping question

Have you taken into account the group delay of the filter? How long is your filter? Try sending zeroes at the end to flush your filter state? Brian On Tue, Dec 4, 2012 at 11:35 PM, George Sklivanitis george.sklivani...@gmail.com wrote: Hello all, I have a question applying to everybody

Re: [Discuss-gnuradio] SRRC pulse shaping question

wrote: The filter is consisted of 55 taps. I tried by sending zeros. Though zeros are interpreted in -1's from the modulation mapping block. Moreover, the zeros will be taken into account as symbols to be shaped, therefore, the same thing will happen. -George On 12/5/12 12:07 AM, Brian

Re: [Discuss-gnuradio] Questions about OOK mod and demod

On Wed, Jul 18, 2012 at 2:49 PM, lliao003 lliao...@ucr.edu wrote: Hi all! I am a rookie and I am working about OOK mod and demod. I have few questions following: I modify the digital_constellation.cc file as d_constellation[0]=gr_complex(0,0) d_constellation[0]=gr_complex(1,0) like

Re: [Discuss-gnuradio] Real-time fading simulation?

On Wed, May 30, 2012 at 4:23 AM, J Mc columbo_the_leg...@hotmail.com wrote: Date: Tue, 29 May 2012 22:15:43 -0400 Subject: Re: [Discuss-gnuradio] Real-time fading simulation? From: bpadal...@gmail.com To: columbo_the_leg...@hotmail.com CC: discuss-gnuradio@gnu.org On Tue, May 29, 2012 at

Re: [Discuss-gnuradio] Real-time fading simulation?

On Tue, May 29, 2012 at 9:47 PM, J Mc columbo_the_leg...@hotmail.com wrote: I have been considering using GnuRadio with the USRPN210 as a realtime fading simulator for radio hardware testing, however any approaches I've considered in doing this seem to fall down fundamentally if I limit to

Re: [Discuss-gnuradio] RTT time of ping based on OFDM tunnel

On Thu, May 17, 2012 at 7:06 PM, Alex Zhang cingular.a...@gmail.com wrote: It seems that the GMSK modulation is doing well in supporting higher datarate over GNURadio, than OFDM modulation. Today I did test using the GMSK between two USRP N210 nodes, the maximum data rate with acceptable

Re: [Discuss-gnuradio] RDS reception

On Fri, Feb 24, 2012 at 2:58 PM, Philip Balister phi...@balister.org wrote: On 02/24/2012 02:45 PM, Rafael Diniz wrote: It would be nice, but it could be fixed up and converted to cmake in the current svn repo also... But most of us have forgotten how to use subversion :) For those who want

Re: [Discuss-gnuradio] discussion on USRP--Wall Socket for Power Line Comms

On Tue, Feb 21, 2012 at 3:00 PM, George Nychis gnyc...@gmail.com wrote: Okay!  So apparently there is some interest in power line communication for GSoC.  But, what we would want to do is already have a safe way of connecting the USRP in to the wall socket for the student(s), and for the

Re: [Discuss-gnuradio] discussion on USRP--Wall Socket for Power Line Comms

On Tue, Feb 21, 2012 at 5:03 PM, Johnathan Corgan jcor...@corganenterprises.com wrote: On Tue, Feb 21, 2012 at 13:20, Nick Foster n...@ettus.com wrote: Before anyone goes out there and barbecues themselves with a USRP, two things: 1) Use Ettus Research products for power-line or hazardous

Re: [Discuss-gnuradio] A function named usb_control_msg

2011/11/29 signalswdm signals...@yeah.net: Dear everyone:  You see in usrp_basic.h there is a function named _write_9862() and it uses function usrp_9862_write(),defined in usrp_prims_common.h. And usrp_9862_write() uses function usrp_spi_write(), also defined in usrp_prims_common.h.

Re: [Discuss-gnuradio] Anyone do you know good GPS receiver Method?

2011/11/18 山本弘貴 k.yamamoto.0...@gmail.com: Hi, All I have  very trouble My experiment enviroment isUBUNTU 11.04 , USRP N200, DBSRX2 ,active antenna and gnuradio I am worrying about good software GPS receiver is not　exist . I want to receive L1 signal , and want to demodulate that signal

Re: [Discuss-gnuradio] Designing a good receiver

On Thu, Jun 2, 2011 at 7:10 AM, Mike Clark undefinedsp...@gmail.com wrote: This comes from a discussion over on the USRP-users mailing list, but I felt it would be more appropriate to post here. Over on that list, someone was asking about problems they were having consistently receiving data

Re: [Discuss-gnuradio] How can we measure the frequency offsets between two USRPs?

On Sun, May 15, 2011 at 3:30 PM, John Andrews gnu.f...@gmail.com wrote: How can we correctly measure what is the frequency offset between the two USRPs? Set one USRP to send CW. Tune the other USRP to receive CW. The resultant frequency on the receiver side is the frequency offset. Thanks

Re: [Discuss-gnuradio] Questions about E100

On Thu, May 5, 2011 at 5:42 PM, Scott Johnston scott.johns...@ll.mit.edu wrote: Hi, Has anybody out there done any development on the DSP? What tools are available to program it? I have used TI's code composer in the past to program DSPs, is there something comparable to that included with

Re: [Discuss-gnuradio] Questions about E100

On Thu, May 5, 2011 at 6:07 PM, Brian Padalino bpadal...@gmail.com wrote: With a TI account, you can grab the free tools here:     https://www-a.ti.com/downloads/sds_support/TICodegenerationTools/download.htm Also, another good resource for all TI processors seems to be: http

[Discuss-gnuradio] Dual Gigabit Ethernet PCIe FPGA Card

I recently saw that Lattice Semiconductor is having a promotion for a development kit that has PCIe x1, dual gigabit ethernet and 1Gb DDR3 for $99: http://www.latticesemi.com/products/developmenthardware/developmentkits/ecp3versadevelopmentkit.cfm This might be interesting for people who

Re: [Discuss-gnuradio] TI vs Freescale DSP for open-source development

Hi Alexander, On Fri, Jan 28, 2011 at 10:14 AM, Alexander Chemeris alexander.cheme...@gmail.com wrote: 2) Development tools price Both Freescale CodeWarrior and TI Code Composer seem to be at the same line with about $2K per single license (correct me if I'm wrong - I may have missed

Re: [Discuss-gnuradio] GNURadio is disappointing [was: Greeting and a question]

I changed the subject to better match the tone of the email. On Thu, Jan 20, 2011 at 11:12 AM, Sanjay Singh sanjaysinghshyam...@gmail.com wrote: Hi all, Am disappointed with the way GNURadio is getting into. I see all the discussion around is to promote the products of Ettus Research.

Re: [Discuss-gnuradio] How to run gnuradio application with a file input and no physical receiver?

Hi Lee, On Sun, Jan 16, 2011 at 3:25 PM, Lee McKusick lee...@gmail.com wrote: Hello and thanks for your guidance: I would like to run the gnuradio software package with an input file and other input data. So far, when I run examples in gnuradio-examples the application stops because no

Re: [Discuss-gnuradio] Low-cost hardware options

On Sat, Jan 15, 2011 at 9:56 PM, John Gilmore g...@toad.com wrote: Also upgraded to the next speed-grade of the ADC, to give 40Msps... You spec'd only a 12-bit ADC.  In my naive view, resolution seems like it's more important to SDR than samples per second.  Resolution is how you avoid losing

Re: [Discuss-gnuradio] re: Low cost hardware option

On Wed, Jan 12, 2011 at 8:36 PM, Jamie Morken jmor...@shaw.ca wrote: Hi, I am interested in helping out with making some new gnuradio hardware that is compatible with the USRP daughterboards.  I worked with Matt doing CAD on the original gnuradio project hardware and have since then made

Re: [Discuss-gnuradio] re: Low cost hardware option

On Wed, Jan 12, 2011 at 10:26 PM, Marcus D. Leech mle...@ripnet.com wrote: On 01/12/2011 10:01 PM, Brian Padalino wrote: Altera Cyclone IV EP4CGX15 FPGA, Analog Devices AD9861 MxFE, USB2 microcontroller (for reprogramming the FPGA) in an ExpressCard/34 format.  The FPGA has a hard PCIe 1.1 x1

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

Hi Marten, On Sat, Jan 8, 2011 at 6:39 PM, Marten Christophe technosa...@gmail.com wrote: Hello Mr. Ettus, Do you have any plan to reduce price for USRP1 or release PCB layout for poor students? So I have a feeling your requests are going to go unanswered, and I don't blame the deaf ears one

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

On Tue, Jan 4, 2011 at 12:27 AM, Songsong Gee gee.songs...@gmail.com 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

Re: [Discuss-gnuradio] WBX image rejection

On Tue, Dec 21, 2010 at 11:48 PM, USRP9 tie...@gmail.com wrote: Hi, I have few questions about WBX daughter card: 1. Is it possible to receive signal from both TX/RX or RX 2 ports simultaneously? 2. How WBX mixer reject image? Is it complex mixer? If true, the mixer will have two inputs

[Discuss-gnuradio] Intel Stellarton Configurable Processor (for SDR?)

I don't know where I've been, but this is the first time I've seen anything about the announcement: http://www.slashgear.com/intel-stellarton-atom-e600fpga-promises-flexible-embedded-devices-14102251/ While the Atom processor is not very powerful, pairing it with a full fledged FPGA sounds

Re: [Discuss-gnuradio] USRP spike

Hi Naveen, On Mon, Aug 16, 2010 at 2:05 PM, naveen nischal naveen_crys...@yahoo.co.in wrote: Brain, Thanks for the reply. We have tried terminating the antenna input, the spike still shows up. We also tried tuning a bit away from the signal of interest and mixing the signal of interest to

Re: [Discuss-gnuradio] USRP spike

Hi Naveen, On Mon, Aug 16, 2010 at 6:01 PM, naveen nischal naveen_crys...@yahoo.co.in wrote: Brain, Sorry my bad...your earlier technique worked.  Thanks much Regards, Naveen Glad you were able to get it figured out. Brian ___ Discuss-gnuradio

Re: [Discuss-gnuradio] Combining filters

On Sat, Aug 14, 2010 at 7:59 PM, Marcus D. Leech mle...@ripnet.com wrote: I have an application that's running on some fairly spartan hardware, so I'm trying to find ways to make the  flow-graph more computationally efficient, so that I have more headroom for inevitable feature creep. Part

Re: [Discuss-gnuradio] Combining filters

On Sat, Aug 14, 2010 at 8:18 PM, Marcus D. Leech mle...@ripnet.com wrote: On 08/14/2010 08:08 PM, Brian Padalino wrote: On Sat, Aug 14, 2010 at 7:59 PM, Marcus D. Leech mle...@ripnet.com wrote: I have an application that's running on some fairly spartan hardware, so I'm trying to find ways

Re: [Discuss-gnuradio] ADC calibration

On Fri, Aug 13, 2010 at 3:17 PM, Daniel Halperin dhalp...@cs.washington.edu wrote: On Tue, 10 Aug 2010, Matt Ettus wrote: When using a BasicRX or LFRX with the PGA set at 0dB gain (USRP1 only), +10dBm is full scale on the ADC.  On the USRP2 full scale on the ADC is full scale when it gets

Re: [Discuss-gnuradio] USRP1 Inband firmware questions

On Thu, Aug 12, 2010 at 8:27 AM, Sylvain Munaut t...@246tnt.com wrote: Hi, I'm trying to adapt openbts to the inband firmware for which the source are available. (it seems the sources for the std_inband.rbf that openbts uses has been 'lost') Two things I'm faced with  - How can I know the

Re: [Discuss-gnuradio] USRP spike

On Thu, Aug 12, 2010 at 1:56 PM, naveen nischal naveen_crys...@yahoo.co.in wrote: Hi All, We have been using the USRP1 with the WBX card on it to communicate with the AO-51 satellite. We are expecting to hear from the satellite using an Fm Receiver GRC at 435.300 MHz but don't receive

Re: [Discuss-gnuradio] Report configure - Packages skipped

On Thu, Jul 29, 2010 at 9:46 AM, Federico Battaglia federico.battag...@hotmail.it wrote: Hello everyone, I ran into a problem during installation of GNU Radio and I hope someone can help me. I have a Ubuntu 9.04, GNU Radio 3.2.2 and a USRP2. I want to emphasize that I still has the best guide

Re: [Discuss-gnuradio] DDC design

On Thu, Jul 22, 2010 at 7:28 PM, zero cool smzeroc...@gmail.com wrote: hi all, I am trying to design my own DDC for the purpose of better reception of gsm signals, but stuck with its design, currently I am using vertex 5 FPGA from Xilinx, so please if there is any link or design guide from

Re: [Discuss-gnuradio] Transmit signal power - How to find from the amplitude set in transmit_path?

On Thu, Jul 15, 2010 at 6:11 PM, John Andrews gnu.f...@gmail.com wrote: you are right but I don't neither do i have an scope nor a power meter. Any other suggestion? Buy a scope and/or an RF power meter. Brian ___ Discuss-gnuradio mailing list

Re: [Discuss-gnuradio] usrp_fft.py axis values and units

On Wed, Jul 14, 2010 at 9:30 AM, bjoe...@ee.ethz.ch wrote: Hi, I'm currently using USRP, GNU Radio and the file usrp_fft.py to find the Signal-to-noise ratio, Noise- and Signal-power. I use the ZigBee PHY from Thomas Schmid to generate the signals at 2.412GHz. My questions are the

Re: [Discuss-gnuradio] installation error

On Tue, Jul 13, 2010 at 9:26 AM, Asad Mahmood asadmeh...@gmail.com wrote: Hi, Am new to the community. Have installed all the dependencies on Fedora Core 7 but when i do ./configure in the gnuradio directory i get the error - following components will not be installed including

Re: [Discuss-gnuradio] Programmable band-pass filters

On Fri, Jul 9, 2010 at 11:30 AM, Elvis Dowson elvis.dow...@mac.com wrote: Hi,       Are there any components that can be used to implement a programmable band-pass filter between the antenna and the LNA, of the RF front-end for an SDR application. I was wondering if there are an discrete

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