Re: [USRP-users] Phase synchronization after hopping

p_freq" come from). > > Piotr Krysik solved your exact problem (X310, following GSM hopping) before. > I remember > the talk he held at an OsmoDevCon some years ago, maybe look for that. > > Best regards, > > Marcus > > On 06.03.21 17:31, Snehasish Kar via USRP

Re: [USRP-users] Phase synchronization after hopping

Best regards, Marcus On 06.03.21 17:31, Snehasish Kar via USRP-users wrote: > > Hello everyone > > > > I am trying to achieve frequency hopping in GSM using twinrx with usrp x310. > Here I am > using timed command for tuning a single port across a given frequency l

[USRP-users] Phase synchronization after hopping

Hello everyone I am trying to achieve frequency hopping in GSM using twinrx with usrp x310. Here I am using timed command for tuning a single port across a given frequency list. During hopping it stays in each frequency for 4msecs and till the time frequency hopping continues, I am able to

Re: [USRP-users] USRP sensitivity

hasish Kar via USRP-users wrote:  Hello Marcus Just had a query in this context, how do we calculate the Power or Received signal strength then from the IQ samples. Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: USRP-users on beha

Re: [USRP-users] USRP sensitivity

Hello Marcus Just had a query in this context, how do we calculate the Power or Received signal strength then from the IQ samples. Regards Snehasish Get Outlook for iOS From: USRP-users on behalf of Martin Braun via USRP-users Sent:

[USRP-users] Query regarding rfnoc

Hello We are trying to implement some filters in rfnoc, we wanted to use fixed point numbers. As per my knowledge, I and Q are I16 bits individually and IQ combined I32 bits. We wanted to convert them into fixed point numbers. But I am concerned about the host UHD driver's interpretation of

Re: [USRP-users] Data rate using usrp and grc

Hello Koyel I think using a 10gbps nic card, a processor with 3.6GHz clockspeed, DDR4 RAM with an nvme ssd or ssd should be fine. Regards Snehasish Get Outlook for iOS From: USRP-users on behalf of Koyel Das (Vehere) via USRP-users

Re: [USRP-users] support for synchronizing two USRPs

, in UHD or GNU Radio, set your clocking source and timing source to "external". https://kb.ettus.com/OctoClock_CDA-2990 https://kb.ettus.com/Synchronization_and_MIMO_Capability_with_USRP_Devices --Neel Pandeya On Thu, 16 Jul 2020 at 05:00, Snehasish Kar via USRP-users mailto:

[USRP-users] support for synchronizing two USRPs

Hello I am trying to time synchronize two USRPs. I have connected reference and PPS trigger out of USRP A to reference and PPS trigger in of USRP B. In USRP A i have set time and clock source to GPSDO and in USRP B I have set time and clock source to external. But I when I try to compare

Re: [USRP-users] Fractional downsampling in rfnoc

I believe this worked with UHD-3.14 when I tested last December. Wondering if this works for you or if there's other updates you might need? EJ On Fri, Apr 24, 2020, 12:56 AM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Jonathon I tried building the fraction

Re: [USRP-users] Fractional downsampling in rfnoc

Snehasish Kar has shared a OneDrive file with you. To view it, click the link below. [https://r1.res.office365.com/owa/prem/images/dc-generic_20.png]

Re: [USRP-users] Fractional downsampling in rfnoc

th UHD-3.14 when I tested last December. Wondering if this works for you or if there's other updates you might need? EJ On Fri, Apr 24, 2020, 12:56 AM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Jonathon I tried building the fractional downs

Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances

Hi Snehasish, That's good to hear! Out of curiosity what was failing timing? If you put together a merge request for your fix I'll take a look and try to merge that in. EJ On Fri, Apr 24, 2020, 12:07 AM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Jonat

Re: [USRP-users] Fractional downsampling in rfnoc

ng one from scratch. Jonathon On Thu, Apr 16, 2020 at 6:35 PM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello I am trying to use the RFNOC based M/2 channelizer from https://github.com/theseus-cores/theseus-cores/releases/tag/v1.1.0 . I am trying to divide

Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances

:19 AM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Brian While writing the bitstream it gave an error stung the current design didn’t satisfy the timing constraint. I tried creating 12 blocks of DDC 1 to 2, blocks but that failed too saying the placer co

Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances

Hello Brian While writing the bitstream it gave an error stung the current design didn’t satisfy the timing constraint. I tried creating 12 blocks of DDC 1 to 2, blocks but that failed too saying the placer couldnot place more than 5% of the movable instances in the design. Regards Snehasish

Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances

for 16 parallel instances On Wed, Apr 22, 2020 at 6:00 PM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello I need to have input 16 input and output port from the RFNoC so that I can custom sample rate for each channel. Is it possible to modify the RFNoC DDC blo

[USRP-users] Modifying RFNoC ddc block for 16 parallel instances

Hello I need to have input 16 input and output port from the RFNoC so that I can custom sample rate for each channel. Is it possible to modify the RFNoC DDC block and split stream block to achieve this. Regards Snehasish Get Outlook for iOS

Re: [USRP-users] Fractional downsampling in rfnoc

tch. Jonathon On Thu, Apr 16, 2020 at 6:35 PM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello I am trying to use the RFNOC based M/2 channelizer from https://github.com/theseus-cores/theseus-cores/releases/tag/v1.1.0 . I am trying to divide 25 MHz spectrum in

Re: [USRP-users] Fractional downsampling in rfnoc

, but I think this is your only option versus writing one from scratch. Jonathon On Thu, Apr 16, 2020 at 6:35 PM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello I am trying to use the RFNOC based M/2 channelizer from https://github.com/theseus-cores/theseus

Re: [USRP-users] Fractional downsampling in rfnoc

rs ago. Their code is on github here: https://github.com/SynchronousLabs/rfnoc-SynchronousLabs. Since it was built, RFNoC has had some changes that will need to be fixed, but I think this is your only option versus writing one from scratch. Jonathon On Thu, Apr 16, 2020 at 6:35 PM Snehasish Kar vi

[USRP-users] Fractional downsampling in rfnoc

Hello I am trying to use the RFNOC based M/2 channelizer from https://github.com/theseus-cores/theseus-cores/releases/tag/v1.1.0 . I am trying to divide 25 MHz spectrum into 124 subchannels each of bandwidth 200KHz. I am capturing the signal at 200msps and I need to decimate it to

Re: [USRP-users] uhd error

:15 AM, Snehasish Kar via USRP-users wrote: Hello Does anyone have a idea why the following error occurs terminate called after throwing an instance of 'uhd::io_error' what(): EnvironmentError: IOError: [0/Radio_1] sr_write() failed: EnvironmentError: IOError: Block ctrl (CE_02_Port_50

[USRP-users] uhd error

Hello Does anyone have a idea why the following error occurs terminate called after throwing an instance of 'uhd::io_error' what(): EnvironmentError: IOError: [0/Radio_1] sr_write() failed: EnvironmentError: IOError: Block ctrl (CE_02_Port_50) no response packet - AssertionError: bool(buff)

Re: [USRP-users] Api to call rfnoc split stream

you getting any errors or warnings when you build your C++ program? --Neel Pandeya On Tue, Dec 17, 2019 at 1:00 PM Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Please let me know ho do we use the rfnoc split stream from C++ I am not able to find the

[USRP-users] Api to call rfnoc split stream

Hello Please let me know ho do we use the rfnoc split stream from C++ I am not able to find the concerned header file. Regards Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com

[USRP-users] Help in frequency shifting with USRP

Hello I tried capturing GSM 900 band at a sample rate of 25e6 centered at 947.4e6 and stored in a file. Then on the captured data I tried shifting 935.2e6 to the center and perform a low pass filter samples out followed by a re-sampler to get 200e3 samples out. But I think the spectrum

Re: [USRP-users] Status of Rfnoc pfb channelizer

-cores/theseus-cores --Neel Pandeya On Thu, 1 Aug 2019 at 15:04, Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hello Everyone Has anyone tried the rfnoc based pfb channelizer in the ettus github repository(https://github.com/EttusResearch/rfnoc-pfb

[USRP-users] Status of Rfnoc pfb channelizer

Hello Everyone Has anyone tried the rfnoc based pfb channelizer in the ettus github repository(https://github.com/EttusResearch/rfnoc-pfb-channelizer). Is it stable and can be directly be used or some modifications are required. Regards Snehasish Sent from my iPad

Re: [USRP-users] Help with uhd

;<<std::endl; >> chan128_ctrl = usrp->get_block_ctrl(chan128_ctrl_id); >> blocks.push_back(chan128_ctrl->get_block_id()); >> //stream_args_args["block_id"] = chan128_ctrl_id; >> spp = chan128_ctrl->get_args().cast("spp",spp); >> std::cou

Re: [USRP-users] Help with uhd

gs); //uhd::tx_streamer::sptr tx_stream = usrp->get_tx_stream(stream_args); recv_to_file(rx_stream, spb, 0, true); return (EXIT_SUCCESS); } #endif int UHD_SAFE_MAIN(int argc, char *argv[]){ uhd::set_thread_priority_safe(); std::string args2954R("addr=192.168.40.2"); std::strin

[USRP-users] Help with uhd

hello On trying to use an multi usrp shared pointer, I get the following error in rfnoc enviroment: Error: TypeError: [0/FIFO_1] Invalid output port number (ANY). I declared the shared pointer as below uhd::usrp::multi_usrp::sptr usrp_temp = uhd::usrp::multi_usrp::make(args2954R);

[USRP-users] how to capture two different frequencies from twinrx daughter board in rfnoc enviroment

Hello Currently I am using NI USRP 2955R and I want to capture two different frequencies using a single twin-rx daughter board in gnuradio (rfnoc-enviroment). But the problem is whenever I set number of channels to two I get a timeout and also it allows me to tune only one center frequency.

[USRP-users] add more than 10 blocks in uhd_image_builder

Hello Is it somehow possible to add more than 10 gnu-radio blocks in uhd_image_builder. BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] link blinking red/orange

Hello I am trying to use rfnoc with gnuradio, I find the link blinking continuously red/orange. My usrp is connected to the host using sfp+ cable. I am using NI usrp 2954R BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com

Re: [USRP-users] Rfnoc over flow

ark_rate --rx_rate 25.6e6 --duration 600" and "uhd_fft --samp-rate 25.6e6 --freq 2.4e9". Your system should be able to run both of those apps without continuous overflows. Jonathon On Wed, Feb 7, 2018 at 8:41 AM, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com> wrote: &g

Re: [USRP-users] Rfnoc over flow

"uhd_fft --samp-rate 25.6e6 --freq 2.4e9". Your system should be able to run both of those apps without continuous overflows. Jonathon On Wed, Feb 7, 2018 at 8:41 AM, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: Hello

[USRP-users] Rfnoc over flow

Hello I am uisng NI USRP 2954R with RAM 64GB, and intel Xeon CPU D-1537 @ 1.70GHz with supermicro motherboard MBD-X10SDV-7TP4F and intel SFP+ of model X552. I am trying to stream data at sample rate of 25.6MSPS using both the receivers in gnuradio and writing the the samples to a linux-FIFO,

[USRP-users] Stream to vector conversion in rfnoc

Hello Is there an RFNOC Block or any alternative to convert stream to vector . BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] api documentation for using rfnoc with gnuradio c++ api

Hello Is there any documentation on how to use gnuradio c++ api for rfnoc blocks. BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] Get NMEA data from usrp in gnuradio

Hello Is there any way to get nmea data from GPSDO in gnuradio. BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] using gpsdo with rfnoc radio in usrp

Hello Is it possible to use gpsdo with rfnoc radio ? BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] support with rfnoc_rx_to_file.cpp

Hello I am trying to create an RFNoC OOT block with a custom C++ block controller. I followed the instructions in the Getting Started Guide and used the rfnocmodtool to generate the block and the block controller code.However when I try to get a pointer to the custom block controller using

[USRP-users] Help with rfnoc_rx_to_file.cpp

Hello I am trying to modify rfnoc_rx_to_file.cpp but I need to convert the rx stream to vector, is there a way to connect rfnoc and gnuradio blocks in c++. BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com

[USRP-users] Retreving GPS data in RFNOC enviroment

Hello I am trying to get GPS NMEA data in an rfnoc enviroment, but it gives an error saying: Error: RuntimeError: For legacy APIs, all devices require the same number of radios, DDCs and DUCs. Please let me know what is to be done in this regards. BR Snehasish

[USRP-users] help with rfnoc radio

Hello I was trying to to use the rfnoc radio with two channels, which is connected to a qt frequency sink via DMA fifo. But on doing so,it gives me the following error. I have attached the grc file for your reference. I am using NI USRP 2954R with ubuntu 14.04. Please let me know where I am

[USRP-users] Help with rfnoc polychannelizer block

Hello I have made a grc with the chanmux and the poly_channelizer . The problem is when I connect the poly_channelizer I don't get any output from it , but if remove it and connect the QT GUI sink to the chanmux it gives me output. I have attached the grc file for your reference. Please help

[USRP-users] Fw: help with uhd_image_builder_gui.py

Hello Nicolas When I use uhd_image_builder_gui.py to generate an image, on selecting X310_RFNOC_HG as target, it automatically adds the parameter I without setting any argument to it and also doesn't allow us to set it manually. On using uhd_image_builder.py and setting I to

[USRP-users] Overflow in niusrp 2954R

Hello I just faced a strange issue with my ni usrp 2954R, when I have connected it with my PC having a Intel I7 cpu and 8GB ram I was able to read data from usrp without any overflow at an sample rate of 100e6 but using the pcie express connector, but when I connect the same connector to a

[USRP-users] rfnoc blocks has no id

Hello While using a RFNOC block I am getting the following error: [INFO] [UHDlinux; GNU C++ version 4.8.4; Boost_105400; UHD_4.0.0.rfnoc-devel-369-g1908672f] [INFO] [NIRIO] rpc_client stopping... [INFO] [NIRIO] rpc_client stopped. [INFO] [NIRIO] rpc_client stopping... [INFO] [NIRIO]

Re: [USRP-users] rfnoc developemnt

egards, - Nicolas [1] https://kb.ettus.com/Getting_Started_with_RFNoC_Development#Image_building_using_the_command_line [2] https://kb.ettus.com/Getting_Started_with_RFNoC_Development On Mon, Sep 18, 2017 at 2:35 PM, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com<mailt

Re: [USRP-users] Support with setting usrp sampling rate to 150MSPS

On Tue, Aug 22, 2017 at 5:15 PM, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: Hello I am trying to receive gsm 1800 band using NI USRP 2954R, but when I am trying to set the sampling rate of uhd_source in gnuradio to 150 MS

[USRP-users] help with RFNoC Polyphase channelizer

Hello I am trying to use the RFNoC Polyphase channelizer, I wanted to clear before starting it can we use it with 100MSPS sample rate for 75MHz DCS band? Will there be any chance of data loss or overflow? BR Snehasish ___ USRP-users mailing list

Re: [USRP-users] Support with downconverting a signal inside USRP

: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Support with downconverting a signal inside USRP On 09/06/2017 01:22 PM, Snehasish Kar via USRP-users wrote: Hello I want to down convert a DCS 75MHz band to 20MHz or less, is it possible to do so, without changing the FPGA code. I am using N

[USRP-users] Support with downconverting a signal inside USRP

Hello I want to down convert a DCS 75MHz band to 20MHz or less, is it possible to do so, without changing the FPGA code. I am using NI USRP 2954R BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com

[USRP-users] Capturing gsm downlink and uplink signals

Hello I am trying to capture GSM downlink and uplink signals using NI USRP 2954R and uhd-c api then writing it to a file, which is then read by gnuradio to demodulate, decode and get the actual data. But using the receiver code, somehow I was able to get only Downlink data but not uplink. I

Re: [USRP-users] Support with handling data at 200MSPS from NI USRP 2954R

based SSD to write 200 MS/s to disk, until it was full. Another option is to use a RAM disk. Regards, Nate Temple > On Aug 27, 2017, at 11:49 PM, Snehasish Kar via USRP-users > <usrp-users@lists.ettus.com> wrote: > > Hello > > I am using UHD source in gnu radio t

[USRP-users] Support with handling data at 200MSPS from NI USRP 2954R

Hello I am using UHD source in gnu radio to capture data from usrp. I am then passing this data to throttle and then to file sink. My data sample is 64 bit (complex 32 bit) and I am capturing at the rate of 200 MSps. How to get correct 2 to 3 seconds of data without any data loss as I am

Re: [USRP-users] Support with setting usrp sampling rate to 150MSPS

Ok I will try that. BR Snehasish On 22-Aug-2017, at 8:51 PM, Derek Kozel <derek.ko...@ettus.com<mailto:derek.ko...@ettus.com>> wrote: Try 200MS/s. The FPGA can only decimate integer amounts from the ADC rate, which is 200MS/s. On Tue, Aug 22, 2017 at 5:15 PM, Snehasish Kar vi

[USRP-users] Support with setting usrp sampling rate to 150MSPS

Hello I am trying to receive gsm 1800 band using NI USRP 2954R, but when I am trying to set the sampling rate of uhd_source in gnuradio to 150 MSPS, it's giving an error message saying hardware does not support sampling rate above 100MSPS. Please help! BR Snehasish

[USRP-users] Receiver Sensitivity of NI USRP 2954R

Hello What is the Receiver sensitivity of NI USRP 2954R? BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[USRP-users] continues streaming with rx_multi_samps

Hello I am able to receive data using rx_multi_samps from two daughter boards of NI USRP 2954R, but now I nedd it to continuesly stream data, like in gnuradio.How can i achieve that, Please help me with it. BR Snehasish ___ USRP-users mailing

Re: [USRP-users] help with receivng multiple frequencies

Thanks a lot! BR Snehasish On 11-Aug-2017, at 12:20 AM, "mle...@ripnet.com" > wrote: It's default to internal anyway. IF this is a single motherboard, then no external clock sync is required, but you still need the use

Re: [USRP-users] help with receivng multiple frequencies

Thanks for explaining the commands, it is of real help. One more point if set the clock and time source as internal, will it bring the two receivers in sync, as I did the same thing with uhd_source in gnuradio and the two boards were in sync. What's your opinion on this? BR Snehasish On

Re: [USRP-users] help with receivng multiple frequencies

Tried that and yeah the default code works, but can you help me in understanding how do I tune the two daughter boards separately to two different frequencies and receive data from them parallely. Also I need to time synchronise the two daughter boards, how to achieve that. BR Snehasish On

Re: [USRP-users] help with receivng multiple frequencies

It's connected via the pcie cable. BR Snehasish On 10-Aug-2017, at 9:04 PM, Marcus D. Leech > wrote: On 08/10/2017 05:26 AM, Snehasish Kar wrote: Please find the log below: linux; GNU C++ version 4.8.4; Boost_105400; UHD_003.010.002.000-0-unknown

Re: [USRP-users] Sample code for twin RX

w. https://github.com/EttusResearch/uhd/tree/maint/host/examples Please let me know if you have any further questions. --​Neel Pandeya On 10 August 2017 at 09:36, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: Can I get

Re: [USRP-users] Sample code for twin RX

The TwinRX is in the NI USRP 2945/2955 (with GPSDO) -Robin On Thu, Aug 10, 2017 at 7:56 AM, Snehasish Kar via USRP-users <usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>> wrote: Hello i am using NI usrp 2954 R, which I believe is using twin rx (Please correct m

[USRP-users] Sample code for twin RX

Hello i am using NI usrp 2954 R, which I believe is using twin rx (Please correct me if I am wrong). I need to tune the two daughter boards to two different frequencies and receive samples simultaneously. So is there any sample code, I can reference from? BR Snehasish

Re: [USRP-users] help with receivng multiple frequencies

0:51 PM To: usrp-users@lists.ettus.com Subject: Re: [USRP-users] help with receivng multiple frequencies On 08/09/2017 10:29 AM, Snehasish Kar via USRP-users wrote: Hi I am trying to receive multiple frequencies with one usro x310 separately from two daughter boards. But not able to receive it prope

Re: [USRP-users] help with receivng multiple frequencies

Leech via USRP-users <usrp-users@lists.ettus.com> Sent: Wednesday, August 9, 2017 9:10:51 PM To: usrp-users@lists.ettus.com Subject: Re: [USRP-users] help with receivng multiple frequencies On 08/09/2017 10:29 AM, Snehasish Kar via USRP-users wrote: Hi I am trying to receive multiple frequenc

[USRP-users] help with receivng multiple frequencies

Hi I am trying to receive multiple frequencies with one usro x310 separately from two daughter boards. But not able to receive it properly. Below is my code. Please help me with it. #include #include #include #include #include #include #include "../include/conf.hpp" #include #include

Re: [USRP-users] Help with rx_multi_sample

tead of 0:A 0:B. > E.g.: usrp->set_rx_subdev_spec(uhd::usrp::subdev_spec_t("A:0 B:0")); > > Cheers, > Julian > > On 08/07/2017 12:39 PM, Snehasish Kar via USRP-users wrote: > > > > Hello > > > > > > I tried setting subdev to subdev(&qu

Re: [USRP-users] Help with rx_multi_sample

:14 PM To: Snehasish Kar; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Help with rx_multi_sample Hey Snehasish, it should be A:0 B:0 instead of 0:A 0:B. E.g.: usrp->set_rx_subdev_spec(uhd::usrp::subdev_spec_t("A:0 B:0")); Cheers, Julian On 08/07/2017 12:39 PM, Snehasish Kar v

[USRP-users] difference between .dat file and cfile

Hello Please let me know the difference between cfile and .dat file generated by https://github.com/EttusResearch/uhd/blob/maint/host/examples/rx_samples_to_file.cpp . I tried using it and feeding it to gnuradio program that accepts cfile,but it didnot help. Please help me with it. BR

[USRP-users] Support with UHD C++ API

Hello I am trying to receive the entire 25MHz gsm signal using usrp x310 at an sample rate of 50MSPS, which i need to receive in the host and send to the GPU for demodulation. Please help me how to implement this with minimum data loss. BR Snehasish

Re: [USRP-users] Help with time synchronisation of two receiver boards in NI USRP 2954R

link at once, with a single antenna and a single daughterboard. Anyway, when using a single USRP, the RX channels will inherently be synchronous. Best regards, Marcus On 29.07.2017 12:35, Snehasish Kar via USRP-users wrote: Hello I to obtain time synchronization of two usrp daughter boards

[USRP-users] Help with time synchronisation of two receiver boards in NI USRP 2954R

Hello I to obtain time synchronization of two usrp daughter boards in gnuradio, for capturing gsm downlink and uplink indiviually using the two daughter boards. Please help with it. BR Snehasish ___ USRP-users mailing list

[USRP-users] support with NI USRP 2942R GPSDO

Hello I have procured a NI USRP 2942R, which has an inbuilt GPS clock. But whenever I run uhd_usrp_probe, it shows no gpsdo detected and even the same in gnuradio. Also the GPS led doesnot glow, I have connected the GPS antenna to the GPS SMA connector port. Please help me with it. BR