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Showing 1 to 20 of 41 for “"USRP"”.

  1. Cooperative relaying using USRP and GNU radio

    Yandamuri, Ganga ManjushaUniversity of Missouri--Kansas City2013

    … this strategy using GNU Radio and three Radios (USRP-Universal Software Radio peripheral) which act as a Transmitter, a Receiver and a Relay. Our main goal is to verify the communication in between the two Radios (a Direct Link) and implement Cooperative communication by introducing a Relay in …

    umkc Repository record

  2. Implementations of Multi-Antenna Systems in a USRP Based SDR using Simulink

    Rumble, Wesley G.2018

    … input, single output) communications with the NI USRP (National Instruments Universal Software Radio Peripheral) but has yet to release support for any SIMO, MISO, or MIMO applications. In this work, we produce a testbed for proof of SIMO concepts and performance improvements in MATLAB and …

    wvu Repository record

  3. Low-cost and flexible USRP based real-time global navigation satellite system receiver for ionospheric sounder

    Kim, DoyounUniversity of Illinois at Urbana-Champaign2018

    Made available in DSpace on 2018-03-13T15:28:45Z (GMT). No. of bitstreams: 2 KIM-THESIS-2017.pdf: 2624944 bytes, checksum: 54f94eb1b16a5d22d1bcb586b0c1a959 (MD5) LICENSE.txt: 4207 bytes, checksum: 1a026929318db256d44e97c1d5dc823a (MD5) Previous issue date: 2017-12-15

    uiuc Repository record

  4. Design and Implementation of a Distributed Tdoa-Based Geolocation System Using Ossie and Low-Cost Usrp Boards

    Meuleners, MichaelVirginia Tech2012

    … low-cost Universal Software Radio Peripheral (USRP) hardware. The system collects signals from multiple spatially distributed collection devices and use those signals to compute precision estimates for the location of emitters using time difference of arrival (TDOA) computations. Several OSSIE …

    vt Repository record

  5. Analyzing Bit Error Rate using Universal Software Radio Peripheral (USRP) Software Defined Radio in Indoor and Outdoor Environments

    Chikatmarla, Jaya ChandraUniversity of Missouri--Kansas City2017

    … using the Universal Software Radio Peripheral (USRP), with the time synchronization and signal processing occurring in the GNU Radio environment on the Linux platform. The GNU radio allows us to modify several channel parameters to test the behavior of the wireless channel in the real time …

    umkc Repository record

  6. Longer Term Dynamics of Bit Error Rates using Universal Software Radio Peripheral (USRP) Software Defined Radios for Indoor Environments

    Srinivas, AnirudhUniversity of Missouri--Kansas City2017

    … GNU radio as a simulation tool along with the USRP hardware.

    umkc Repository record

  7. Wideband RF Front End Daughterboard Based on the Motorola RFIC

    Brisebois, TerrenceVirginia Tech2009

    … for the Universal Software Radio Peripheral, or USRP. The USRP is a software-radio hardware platform designed to be used with the GNU Radio software radio software package. Using the Motorola RFIC4 chip, the new daughterboard receives RF signals, converts them to baseband and does analog …

    vt Repository record

  8. IEEE 802.15.4 Implementation on an Embedded Device

    Thandee, RithirongVirginia Tech2012

    … a universal software radio peripheral embedded, USRP E100, an open source software development toolkit for SDR, GNU Radio, and UCLA ZigBee PHY GNU Radio application. The implementation can be done on the regular non-embedded USRPs. However, without a fast host computer demodulating the packets, …

    vt Repository record

  9. Implementation of Real-Time Software Receiver for Gps or Glonass L1 Signals

    Peng, SenlinVirginia Tech2010

    … called the Universal Software Radio Peripheral (USRP) with a maximum real sampling frequency of 8MHz of complex samples. The USRP uses interchangeable daughter boards to down-convert and digitize RF signals in the range of DC to 2.9GHz, where each daughterboard covers an overlapping subset of …

    vt Repository record

  10. Integration of Open-Source Networks

    Cooper, Thomas A.Virginia Tech2012

    … Osmocom and OpenBTS. Specifically, the Osmo-USRP program provides an inter-layer interface between the different network architectures of two GSM base station projects. Inter-layer primitive messages are processed in a thread multiplexer that manages logical channels across the interface. …

    vt Repository record

  11. Performance Characterization of USRPs

    Ramasubramanian, GayathriVirginia Tech2014

    … such as Universal Software Radio Peripherals (USRPs), developed by Ettus Research, which in combination with software interfaces such as GNU Radio can be used to design and implement a Software Defined Radio(SDR) system. This has in turn enabled numerous research opportunities and advancements …

    vt Repository record

  12. Creating subchannels to improve throughput in wireless communication

    Proulx, Brian B.University of Illinois at Urbana-Champaign2011

    … of different guard bands was studied using the USRP and GNU Radio. Two daughterboards were used for each USRP so that two channels were used for transmission. The two transmissions had the same throughput whether the channels were placed very far aparta or within a subcarrier of each other. An …

    uiuc Repository record

  13. Hybrid FPGA and GPP Implementation of IEEE 802.15.4 Physical Layer

    Jeong, Jeong-OVirginia Tech2012

    … PHY on the Xilinx Spartan-3A DSP FPGA of USRP N210. All of the signal processing tasks are performed on the FPGA, while less complex MAC (Media Access Control) layer tasks are performed in GNU Radio on the host. The second case is an implementation of a multi-channel IEEE 802.15.4 …

    vt Repository record

  14. Design of software radio

    Sithole, MorineUniversity of Hull2010

    … using the Universal Software Radio peripheral (USRP) hardware and GNU Radio open source software.

    hull Repository record

  15. Implementation of Wideband Multicarrier and Embedded GSM

    Tsou, ThomasVirginia Tech2012

    … and the Universal Software Radio Peripheral (USRP), a RF hardware platform, are two primary examples of such open source software and hardware products. OpenBTS and the USRP underlie three GSM features that are implemented and presented in this thesis. This thesis describes the extension of …

    vt Repository record

  16. LPI Air Defence Noise Radar

    Molope, Lazarus MolahlegiDepartment of Electrical Engineering2022

    … in the Universal Software Radio Peripheral (USRP) B210 H/W and tested against flying targets in monostatic mode. The actual results from H/W detection of real airborne targets are finally compared with simulated results.

    cape-town Repository record

  17. A Reconfigurable Random Access MAC Implementation for Software Defined Radio Platforms

    Anyanwu, Uchenna KevinVirginia Tech2012

    … consequence of these requirements, we choose the USRP family of SDR hardware and the IRIS software platform to develop our two random access MAC implementations: Aloha with Explicit ACK and Aloha with Implicit ACK. A point-to-point link was tested with our protocol and then this link was extended …

    vt Repository record

  18. Directional UAV swarming: a network perspective

    Li, XinUniversity of Alabama Libraries2018

    … networks with multi-beam smart antennas with USRP-RIO. We tested the directionality of the antenna, implemented a full-duplex transmission system and a relay system. Furthermore, CPT and CPR which are the two important signature features of MBSA are realized by USRP.

    alabama Repository record

  19. Coarse Radio Signal Classifier on a Hybrid FPGA/DSP/GPP Platform

    Nair, Sujit S.Virginia Tech2009

    … and Universal Software Radio Peripheral (USRP) radio platform. That system introduces a lot of latency issues because of the limited USB data transfer speeds between the USRP and the host computer. Also, there are inherent latencies and timing uncertainties in the General Purpose Processor …

    vt Repository record

  20. ZigZag decoding : combating hidden terminals in wireless networks

    Gollakota, Shyamnath (Shyamnath Venkata Satyasrisai)Massachusetts Institute of Technology2008

    … of ZigZag in GNU Radio. In a testbed of 14 USRP nodes, ZigZag reduces the average packet loss rate at hidden terminals from 82.3% to about 0.7%.

    mit Repository record

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