Questions tagged [usrp]

The USRP series of software-defined radio devices, designed and developed by Ettus Research, are commonly used with GNU Radio, OpenBTS, LabView, and Matlab. The driver, UHD, is also FOSS, so you can program the radios directly through the driver's API.

The Universal Software Radio Peripheral (USRP) series of devices is a Software-Defined Radio (SDR) platform. USRPs are designed and developed by Ettus Research in Santa Clara, California.

The term itself, 'USRP', encompasses all of the radio devices produced by Ettus Research, which include ethernet-based peripherals, USB-based peripherals, and embedded devices that are stand-alone.

The peripheral devices must be plugged into a host computer, from which they are programmed to transmit / receive as the user wishes. The embedded models run a full embedded Linux distribution, and can be used as radios on their own.

USRPs are commonly used with the GNU Radio framework to create complex SDR systems. Another popular usage model is using them as cellular base stations with OpenBTS.

The USRP Hardware Driver (UHD) supports all of the USRP models, and is Free and Open Source Software, released under the GPL.

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Cause of REDHAWK UHD Receive Overflow

I'm running REDHAWK 1.10.1 on a CentOS 6.6 VM (on Macbook Pro OS X 10.10 via Parallels). I'm using a USRP N210. I'm simply trying to get things up and running before I connect an actual waveform to it. I configure OS X with: sudo sysctl -w…
bruno617
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redhawk install process modifies /dev/* to usrp:usrp

I recently installed redhawk on RHEL 5.8 using the instructions found here http://redhawksdr.github.io/Documentation/mainch2.html#x4-60002 I was installing from the redhawk-yum-1.10.0-10-el5-x86_64.tar.gz file. After the installation and a reboot I…
H. Green
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Using threads with python pyqt?

I am trying to make a GUI in python using pyqt4 which incorporates a waterfall sink which is connected with an USRP. The problem is that the data should be shown in waterfall sink continuously which makes the GUI to freeze and I can not use the…
Jetmir
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Allocation FRONTEND_Tuners on REDHAWK 1.10

I'm using RedHawk 1.10.0 on CentOS 6.5_x64. I installed UHD 3.7.2.0 in order to try to employ USRP, B100 0r USRP1, both linked by usb connection, on this fantastic framework! I built new node using GPP and USRP_UHD device and everything seems going…
Biga
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Empty Ports in RH using USRP_UHD on an running domain (REDHAWK 1.10)

I'm running REDHAWK 1.10 on a CentOS6.5 VM. I have the connection set to bridged and can locate the USRP by its IP address using: uhd_find_devices --args="addr= " I have a usrp2 with serial E5R1AS2UP Here are the steps I take: $ sudo…
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Build UHD with CMake for Windows XP(32-bit)

Good day. Please, explain in detail building process UHD with CMake for Windows XP. I follow the instructions from the developer, but they are very short, and I worked with CMake for the first time. I downloaded and installed all the necessary…
DJNZ
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How to use the USRP_UHD device in redhawk?

I've installed the UHD device successfully on REDHAWK 1.9. I've tried adjusting the frontend tuner allocation property of the device, but when I try to run it, there is no activity showing up when I monitor the ports. I don't even know if the…
ThatOneGuy
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USRP_UHD doesn't provide data

After allocation of USRP, by inserting the appropriate code in the waveform xml file, I connect dataShort_out of USRP to DataConverter input port, such as DataShort but monitoring this port we can find nothing althought the allocation seems work…
Biga
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Newbie: Basic Communication using Simulink and USRP2 devices

I would like to start a semester project related to Matlab Simulink and USRP devices. I am new in this field and studying regularly about it... The first step to setup the devices is completed and now I would like to check if both device can…
Ali
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How to resolve the missing python gsm module while executing airprobe

For quite some while I've been trying to work with usrp, gnuradio and airprobe. I've successfully received a data dump using usrp but when I try to use gsm_receive100.py on the captured cfile, I am always getting this error: ./gsm_receive100.py…
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UHD tx_waveforms

In the example code provided by ettus research for USRP trasmission waveforms found here: tx_waveforms Line 44: static const size_t wave_table_len = 8192; Is there any specific reason why the value was chosen.
Obakeng
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What are the units an magnitudes sensed by a USRP2

I just started working with the USRP, so a basic question arise: What are the samples that the USRP2 is sensing? (units, magnitude) Note: I already capture some data in a file, but my question remains Data Example: 0.0029651010408997536,…
xuandl
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Can I jam on UMTS (WCDMA based) using my USRP 1?

We want to jam on 3G using our USRP 1 and GNU radio, is this possible ?
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Do I need a USRP2 block in GRC in order to use the USRP2 hardware?

I am trying to find the USRP2 blocks in order to utilize my USRP2. In alot of examples their exists a USRP2 Source that they use and maybe thats the reason why I'm not able to actually send and receive a signal using two USRP2's. We turn on the…
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Recording GNSS data with USRP N210

I have no experience with using USRP as a front end to collect GNSS data. But from many GNSS journal publications that I have read, the USRP N210 is famously used as a good GNSS front end. Thus, my supervisor had just purchased N210s for his GNSS…
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