[USRP-users] Re: Timeout while streaming IQ samples to host in RFNOC

inkId=550986> for Windows 10 From: Snehasish Kar<mailto:snehasish@live.com> Sent: 27 May 2021 00:14 To: Jonathon Pendlum<mailto:jonathon.pend...@ettus.com> Cc: Rob Kossler<mailto:rkoss...@nd.edu>; usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com>

[USRP-users] Re: Timeout while streaming IQ samples to host in RFNOC

Thanks for the solution let me try it. I will give a response to you, tomorrow. Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: Jonathon Pendlum Sent: Thursday, May 27, 2021 12:02:04 AM To: Snehasish Kar Cc: Rob Kossler ; usrp

[USRP-users] Re: Timeout while streaming IQ samples to host in RFNOC

No, I tried modifying it. I have attached the same for your reference. Regards Snehasish Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Jonathon Pendlum<mailto:jonathon.pend...@ettus.com> Sent: 26 May 2021 23:36 To: Snehasish Kar<m

[USRP-users] Re: Timeout while streaming IQ samples to host in RFNOC

: Radio=>fifo=>fir filter=>fifo=> host Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: Jonathon Pendlum Sent: Friday, May 21, 2021 12:13:48 AM To: Snehasish Kar Cc: Rob Kossler ; usrp-users@lists.ettus.com Subject: Re: [USRP-

[USRP-users] Re: Timeout while streaming IQ samples to host in RFNOC

Hello Rob Tried that but it didn’t work. I am using the standard RFNOC fir filter and radio. Regards Snehasish Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Rob Kossler<mailto:rkoss...@nd.edu> Sent: 18 May 2021 21:39 To: Snehasish Kar<m

[USRP-users] Timeout while streaming IQ samples to host in RFNOC

Hello I am using the below code to stream IQ samples to host using RFNOC, but while streaming I am getting timeout. My rfnoc graph looks something like this: Radio_0=>fifo=>fir_filter=>fifo=>host Radio_1=>fifo=>fir_filter=>fifo=>host With the above flowgraph we are able to stream samples in gnur

[USRP-users] Re: troubleshooting pcie link card

our understanding is incorrect, please notify us immediately because a specific authorization may be required from the U.S. Commerce Department before the transaction may proceed further. On 05.04.21 14:39, Snehasish Kar wrote: > Hello > > I need some help in troubleshooting pcie link

[USRP-users] troubleshooting pcie link card

Hello I need some help in troubleshooting pcie link card. I can see orange LED glowing in the card and even on giving the command lspci, I am not able to see the card in the list. Please help me with the troubleshooting. Regards Snehasish ___ USRP-us

Re: [USRP-users] Phase synchronization after hopping

Understood. Thanks. Let me try this out. Regards Snehasish Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Marcus Müller<mailto:marcus.muel...@ettus.com> Sent: 06 March 2021 23:41 To: Snehasish Kar<mailto:snehasish@live.com>; usrp-use

Re: [USRP-users] Phase synchronization after hopping

go, maybe look for that. 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 acros

[USRP-users] Phase synchronization after hopping

vipl_printf(msg,error_lvl, __FILE__, __LINE__); } usleep(11); My UHD version is 3.14.0.0 USRP: X310 Daughter board: 2 sets of Twinrx OS: Debian 10 Interface: 10gig sfp+ ethernet Thanks!! Regards Snehasish Kar Sent from Mail<https://go.microsoft.

Re: [USRP-users] USRP sensitivity

Ok. Thanks for the info. Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: Marcus D Leech Sent: Wednesday, September 9, 2020 4:46:23 AM To: Snehasish Kar Cc: Martin Braun ; usrp-users@lists.ettus.com Subject: Re: [USRP-users] USRP sensi

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: Tue

[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 the

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 Sent

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

Thanks Neel for the clarification! Regards Snehasish From: Neel Pandeya Sent: Thursday, July 16, 2020 3:51 PM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] support for synchronizing two USRPs You cannot synchronize USRP devices by

[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 uhd::t

Re: [USRP-users] Fractional downsampling in rfnoc

ue for the negative frequencies. Regards Snehasish From: EJ Kreinar Sent: Monday, April 27, 2020 6:09 AM To: Snehasish Kar Cc: Jonathon Pendlum ; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Fractional downsampling in rfnoc Hi Snehasish, A few thoughts...

Re: [USRP-users] Fractional downsampling in rfnoc

Snehasish Kar has shared a OneDrive file with you. To view it, click the link below. <https://1drv.ms/u/s!Ar2IfAyw5vH1gQ1d_w2fUe4IbyWP> [https://r1.res.office365.com/owa/prem/images/dc-generic_20.png]<https://1drv.ms/u/s!Ar2IfAyw5vH1gQ1d_w2fUe4IbyWP> fract_dec_filter.edf<http

Re: [USRP-users] Fractional downsampling in rfnoc

Hello EJ Any update on this? Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: Snehasish Kar Sent: Friday, April 24, 2020 6:01:27 PM To: EJ Kreinar Cc: Jonathon Pendlum ; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Frac

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

timing constraint while writing the BIT File. Regards Snehasish From: EJ Kreinar Sent: Friday, April 24, 2020 4:14 PM To: Snehasish Kar Cc: Jonathon Pendlum ; USRP-users@lists.ettus.com Subject: Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances

Re: [USRP-users] Fractional downsampling in rfnoc

me know how to set the packet size on any rfnoc block. Regards Snehasish From: Jonathon Pendlum Sent: Sunday, April 19, 2020 8:58 AM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Fractional downsampling in rfnoc Hi Snehasish, I

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

alino<mailto:bpadal...@gmail.com>: Thanks a lot for the help. Regards From: Jonathon Pendlum Sent: Friday, April 24, 2020 9:00 AM To: Snehasish Kar Cc: Brian Padalino ; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel in

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

Get Outlook for iOS<https://aka.ms/o0ukef> From: Brian Padalino Sent: Thursday, April 23, 2020 4:19:14 AM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Modifying RFNoC ddc block for 16 parallel instances On Wed, Apr 22, 2020 a

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

-utilsnoc_block_ddc_1_to_n Regards Snehasish Get Outlook for iOS<https://aka.ms/o0ukef> From: Brian Padalino Sent: Thursday, April 23, 2020 3:38:02 AM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Modifying RFNoC ddc block

[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

Anyway thanks for the help Jonathon Regards Snehasish From: Jonathon Pendlum Sent: Sunday, April 19, 2020 8:58 AM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Fractional downsampling in rfnoc Hi Snehasish, I forgot about that

Re: [USRP-users] Fractional downsampling in rfnoc

you please help me with it. Regards Snehasish From: Jonathon Pendlum Sent: Friday, April 17, 2020 9:22 PM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Fractional downsampling in rfnoc Hello Snehasish, Unfortunately, the standard

Re: [USRP-users] Fractional downsampling in rfnoc

:19 PM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Fractional downsampling in rfnoc Hello Snehasish, Unfortunately, the standard library of blocks does not have a Fractional Decimator. Your best bet is to try to use the one made by Synchronous Labs a few yea

[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 25.6msps(25M

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_P

[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 http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ett

[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 shifting

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-channel

[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

s a custom fpga image. > > Best regards, > Marcus > > >> On Sat, 2018-03-17 at 20:13 +, Snehasish Kar wrote: >> Hello Marcus >> >> Sorry, but I didn't receive a copy of my previous mail or your >> response, so I posted again. >> >

Re: [USRP-users] Help with uhd

>connect(downSampler->get_block_id(),packetresizer_ctrl->get_block_id()); //rx_graph->connect(packetresizer_ctrl->get_block_id(),chan128_ctrl->get_block_id()); rx_graph->connect(downSampler->get_block_id(),fifo->get_block_id()); uhd::stream_args_t stream_args("fc

[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); uhd::de

[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); uhd::de

[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. Ki

[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 http://l

Re: [USRP-users] Rfnoc over flow

any overflow. But if I run my grc, it starts throwing me overflow, weird thing is in a machine with i7 processor it runs well. Please let me know where I am going wrong. BR Snehasish From: Jon Pendlum Sent: Wednesday, February 7, 2018 11:17:53 PM To: Sne

Re: [USRP-users] Rfnoc over flow

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 mailto:usrp-users@lists.ettus.com>> wrote: Hello I am uisng NI USRP 2954R with RAM 64GB, and intel Xeon CPU D-1537 @ 1.70GHz with supermicro

[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 de

[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 http://lists.ettus.com/ma

[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 go

[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 rfnoc-pfb-channe

[USRP-users] help with uhd_image_builder_gui.py

Hello I was trying create an FPGA image of https://github.com/EttusResearch/rfnoc-pfb-channelizer, but I am unable to set -I parameter and thus not able to build the image. Please help me with it. BR Snehasish [https://avatars0.githubusercontent.com/u/125709?s=400&v=4]

[USRP-users] help with subdev spec

Hello I am using NI USRP 2954R, I want to receive two different channels with the same daughter board, using TX/RX and RX2 port, what to set in the subdev spec and stream channels in gnuradio. Please help. BR Snehasish ___ USRP-users mailing list

[USRP-users] Help in building pfb channelizer

Hello I am trying to build and use the pfb channelizer in the directory fpga/usrp3/lib

[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 Dell

[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] rpc_client

Re: [USRP-users] rfnoc developemnt

Hello I just need to perform a phase shift. Is there any alternate of rotator? BR Snehasish From: Nicolas Cuervo Sent: Monday, September 18, 2017 7:11:08 PM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] rfnoc developemnt Hello

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

. Regards, Snehasish From: Derek Kozel Sent: Wednesday, August 23, 2017 12:15:11 PM To: Koyel Das Cc: Snehasish Kar; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Support with setting usrp sampling rate to 150MSPS Hello Koyel, This is a fundamental problem

Re: [USRP-users] help with RFNoC Polyphase channelizer

less work. Best regards, Marcus On 09/06/2017 10:01 PM, Snehasish Kar via USRP-users wrote: 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 an

[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 US

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

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 NI USRP 2954R BR Snehasish

[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 http://lists.ettus.com/mailman/li

[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 tr

[USRP-users] Support with NI USRP 2954R

Hello I am need to fetch GPS data and time from the on-board GPSDO in NI USRP x310. Is it necessary for me to sync both clock source and time source to GPSDO for that or without it I can directly fetch it. Please help me with an example to fetch GPS data from it. BR Snehasish _

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

Thanks Nate, I will try that an let you know. BR Snehasish From: Nate Temple Sent: Monday, August 28, 2017 1:25:58 PM To: Snehasish Kar Cc: usrp-users@lists.ettus.com Subject: Re: [USRP-users] Support with handling data at 200MSPS from NI USRP 2954R Hi

[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 seei

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 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 via USRP-users mailto:usrp

[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 lis

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

rated by GRC, even if ultimately you aren't going to use Gnu Radio, but just "raw" UHD. On 2017-08-10 14:40, Snehasish Kar wrote: 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

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

ime() Also, see the Ettus knowledge-base: https://kb.ettus.com/Synchronization_and_MIMO_Capability_with_USRP_Devices On 2017-08-10 13:06, Snehasish Kar wrote: 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 re

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

rates? 2 x 50Msps is a lot of data, and with the short "packets" on PCIe, your computer will be working fairly hard at servicing those samples. Before we get in to debugging your code, could you: (A) Try lower sample rates (B) Try rx_multi_samples On 2017-08-10 1

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 mailto:mle...@ripnet.com>> 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 Creati

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

tusResearch/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 mailto:usrp-users@lists.ettus.com>> wrote: Can I get a sample code for ubx-160, trying to the operation as mentioned in

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

P 2945/2955 (with GPSDO) -Robin On Thu, Aug 10, 2017 at 7:56 AM, Snehasish Kar via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: 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 tw

[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

ocked": ++ locked. Begin streaming 1 samples, 1.50 seconds in the future... Done! Receive timeout before all samples received... BR Snehasish From: mle...@ripnet.com Sent: Wednesday, August 9, 2017 10:46:33 PM To: Snehasish Kar Cc: usrp-users@lists

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

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 frequencies with one usro x310 separately from two daughter boards. But not able to

[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

timestamp match could not be determined. BR Snehasish From: Julian Arnold Sent: Monday, August 7, 2017 5:42:55 PM To: Snehasish Kar; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Help with rx_multi_sample Hey, how do you initialize your usrp and the streamer

Re: [USRP-users] Help with rx_multi_sample

But when I am setting so, I see only the LED of one daughter board glowing. So it still receiving data from one daughter board. Please help me with it. BR Snehasish From: Julian Arnold Sent: Monday, August 7, 2017 4:46:14 PM To: Snehasish Kar; usrp-users

[USRP-users] Help with rx_multi_sample

Hello I tried setting subdev to subdev("0:A 0:B") as described in the example "rx_multi_samples" . But its giving me an error saying Invalid daughter-board frontend name : A. I am using NI USRP 2954R. Please help me with it. BR Snehasish ___ USR

[USRP-users] how to use both subdevices from x310 together

Hello Is there any example to use the two subdevices of usrp x310 parallely and stream data. BR Snehasish ___ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

[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 Sneh

[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

ing 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 in gnuradio, for capturing gsm downlink and uplink indiviually using the two dau

[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@lists.ettus.co

[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 Sn