Universal software radio peripheral
Universal Software Radio Peripheral ( USRP ) is a suite of software defined radio hardware from Ettus Research LLC and its parent company National Instruments for the production of telecommunications system software .
development
Matt Ettus from the USA developed the USRP1, which is connected via USB2.
Then came the USRP2, which uses Gigabit Ethernet , and the autonomous E1x0 series that integrates an embedded computer and Linux.
The N2x0 (Gigabit Ethernet), the B100 (USB2), the B2x0 (USB3) and the X3x0 (Gigabit Ethernet, 10 Gigabit Ethernet, PCIe ) were added.
The embedded E1x0 was replaced by the E310.
Applications
With the USRP it is possible, for example, to operate a GSM base station as part of the OpenBTS project.
Using the USRPs, it is possible to digitize any radio signals with sufficient band restrictions or to send them vice versa. Many users of the various USRP devices develop their software using the free GNU Radio framework, using Matlab or Labview , or communicate with the hardware directly through the USRP own userland - device driver infrastructure UHD.
Specific functions
The devices of the series USRP1, USRP2, N2x0, E1x0 and X3x0 are modular and have exchangeable plug-in boards, so-called daughterboards , which house the analog circuit components. All devices have in common that they are basically operated as direct mixers , but because of their ability to shift the frequency of the oversampled signal in the integrated digital signal processing, they can also be used as IF receivers.
All devices from the second generation onwards have the ability to transmit streaming signals in a time-controlled manner with sample accuracy. The devices can be provided with a GPS receiver that specifies the internal reference clock and provides a coordinated absolute time.
Web links
Individual evidence
- ↑ An Interview With the Inventor of USRP: Happy 10th Birthday. Retrieved May 1, 2015 .
- ↑ USRP N200 Hardware Released Today. Retrieved May 1, 2015 .
- ↑ New Product: USRP B100. Retrieved May 1, 2015 .
- ↑ Announcing the USRP B200 and USRP B210, the first fully integrated USRP devices with continuous RF coverage from 70 MHz -6 GHz. Retrieved May 1, 2015 .
- ^ Ettus Research Releases Revolutionary Software Defined Radio with Kintex-7. Retrieved May 1, 2015 .
- ^ Ettus Research Releases Compact, Stand-Alone Software Defined Radio Platform. Retrieved May 1, 2015 .
- ^ OpenBTS Wiki: Ettus Research USRP. Retrieved May 1, 2015 .
- ↑ GNU Radio Documentation: UHD interface. Retrieved May 1, 2015 .
- ↑ Mathworks: SDRU interface. Retrieved May 1, 2015 .
- ↑ National Instruments: USRP. Retrieved May 1, 2015 .
- ↑ Ettus Research Product Category: Daughterboards. Retrieved May 1, 2015 .
- ↑ UHD Manual: General Application Notes: Tuning Notes. Retrieved May 1, 2015 .
- ^ UHD Manual: Synchronization Notes. Retrieved May 1, 2015 .
- ↑ UHD Manual: Synchronization Notes: Internal GPS. Retrieved May 1, 2015 .