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Littérature scientifique sur le sujet « Universal software radio peripheral »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 2 février 2022

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Articles de revues sur le sujet "Universal software radio peripheral"

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Rojas, Cristian R., Per Zetterberg et Peter Handel. « Transceiver Inphase/Quadrature Imbalance, Ellipse Fitting, and the Universal Software Radio Peripheral ». IEEE Transactions on Instrumentation and Measurement 60, no 11 (novembre 2011) : 3629–39. http://dx.doi.org/10.1109/tim.2011.2138290.

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Ryabov, I. V., P. V. Nikitin, R. I. Bazhenov, A. I. Melnikova et R. I. Gorokhova. « Physical principles of work and basic features of Universal Software Radio Peripheral ». Journal of Physics : Conference Series 1728 (janvier 2021) : 012013. http://dx.doi.org/10.1088/1742-6596/1728/1/012013.

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Hafidudin, Muhamad Fahru Rizal et Dadan Nur Ramadan. « Implementation of USRP (Universal Software Peripheral Radio) as OpenBTS for Quadruple Play Services ». Journal of Physics : Conference Series 1364 (décembre 2019) : 012037. http://dx.doi.org/10.1088/1742-6596/1364/1/012037.

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Tanoli, Shujaat, Mubashir Rehman, Muhammad Khan, Ihtesham Jadoon, Farman Ali Khan, Faiza Nawaz, Syed Shah, Xiaodong Yang et Ali Nasir. « An Experimental Channel Capacity Analysis of Cooperative Networks Using Universal Software Radio Peripheral (USRP) ». Sustainability 10, no 6 (13 juin 2018) : 1983. http://dx.doi.org/10.3390/su10061983.

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Handel, P., et P. Zetterberg. « Receiver I/Q Imbalance : Tone Test, Sensitivity Analysis, and the Universal Software Radio Peripheral ». IEEE Transactions on Instrumentation and Measurement 59, no 3 (mars 2010) : 704–14. http://dx.doi.org/10.1109/tim.2009.2025989.

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Lu, Jinlong, J. Harshan et Frédérique Oggier. « Performance of lattice coset codes on Universal Software Radio Peripherals ». Physical Communication 24 (septembre 2017) : 94–102. http://dx.doi.org/10.1016/j.phycom.2017.04.004.

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Utami, Alifia Fitri, Iswandi Iswandi et I. Wayan Mustika. « Random Time Delay Mitigation in Pulse Radar Systems Implementation using Universal Software Radio Peripheral (USRP) and GNU Radio Companion (GRC) ». IJITEE (International Journal of Information Technology and Electrical Engineering) 2, no 3 (26 février 2019) : 85. http://dx.doi.org/10.22146/ijitee.42873.

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Abstract— Radar or radio detection and ranging has a basic function to detect and measure a target range. One of the latest developments is Software Defined Radio (SDR)-based radar. An example of SDR implementation is by using Universal Software Radio Peripheral (USRP) as hardware and GNU Radio Companion (GRC) as software. The simplest radar type is pulse radar in which system timing is crucial. Meanwhile, in pulse radar system implementation using USRP and GRC, there is an issue with the random processing time delay between communication protocol of USRP and computer running the GRC, which causes incorrect measurement. This research aims to analyze the random time delay in the pulse radar system implementation by using USRP and GRC to anticipate the effect of random time delay. Pulse radar systems implementation is administered by transmitting 128 bits of Barker code and performing correlation between transmitted and received radar signal. Research result shows that the random time delay can be anticipated by making the direct reception from radar transmitter to receiver as the reference in range calculation.
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Toker, Onur, et Ozgur Ozdemir. « A Synthetic Wide-Bandwidth Radar System Using Software Defined Radios ». Engineering Proceedings 2, no 1 (14 novembre 2020) : 9. http://dx.doi.org/10.3390/ecsa-7-08174.

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In this paper, we present a synthetic wide-bandwidth radar system using software-defined radios (SDR), and demonstrate the proposed approach using a Universal Software Radio Peripheral (USRP) device. Normally, USRP devices have tens of MHz bandwidth, and cannot generate large bandwidth sweeps to achieve cm-level range resolution. By using a synthetic wide-bandwidth approach, we can generate frequency sweeps up to 5 GHz bandwidth and obtain high-resolution range profiles. We will first summarize the mathematical details of the proposed approach, then present a pure Python-based solution using the UHD library, a GNU radio and Octave-based implementation, and finally present experimental results for two different test cases. The developed code is available in a public GitHub repository. Compared to frequency-modulated continuous-wave (FMCW) radars with a voltage-controlled oscillator, the sweep time or the experimental duration are longer, but very large bandwidth sweeps can be realized easily by using low-cost USRP devices, and sweeps are more accurate. All of our experimental results indicate the effectiveness of the proposed low-cost software-defined radar system.
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Sheybani, Ehsan, et Giti Javidi. « Integrating Software Defined Radio with USRP ». International Journal of Interdisciplinary Telecommunications and Networking 9, no 3 (juillet 2017) : 1–9. http://dx.doi.org/10.4018/ijitn.2017070101.

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The USRP1 is the original Universal Software Radio Peripheral hardware (USRP) that provides entry-level RF processing capability. Its primary purpose is to provide flexible software defined radio development capability at a low price. You can control the frequency you receive and transmit by installing different daughter-boards. The authors' USRP model had been configured to receive a signal from local radio stations in the DC, Maryland metropolitan area with the BasicRX model daughterboard. The programmable USRP was running python block code implemented in the GNU Radio Companion (GRC) on Ubuntu OS. With proper parameters and sinks the authors were able to tune into the radio signal, record the signal and extract the in-phase (I) and quadrature phase (Q) data and plot the phase and magnitude of the signal. Using the terminal along with proper MATLAB and Octave code, they were able to read the I/Q data and look at the Fast Fourier Transform (FFT) plot along with the I/Q data. With the proper equations, you could determine not only the direction of arrival, but one would also be able to calculate the distance from the receiver to the exact location where the signal is being transmitted. The purpose of doing this experiment was to gain experience in signal processing and receive hands on experience with the USRP and potentially add a tracking system to the authors' model for further experiments.
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Geng, Yong, Si Long Wu et Fang Kun Jia. « The Research of Chirp Signal Based on GNU Radio and USRP ». Applied Mechanics and Materials 336-338 (juillet 2013) : 1765–70. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.1765.

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This paper put forward a research of the chirp signal and its generated method. The research was based on a software-defined radio (SDR) system, which was composed of GNU Radio and Universal Software Radio Peripheral (USRP). It introduced the chirp signal and design algorithm to show how to generate the chirp signal based on DDS technique. And it provided two platforms including the FPGA platform and SDR platform to generate the chirp waveforms. Finally, it analyzed the difference between the two platforms. From the waveforms using these two platforms displayed in oscilloscope, it found that the results based on SDR were better. And it demonstrated that advantages of GNU Radio and USRP.
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Thèses sur le sujet "Universal software radio peripheral"

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Scaperoth, David Alan. « Configurable SDR Operation for Cognitive Radio Applications using GNU Radio and the Universal Software Radio Peripheral ». Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/32961.

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With interoperability issues plaguing emergency responders throughout the country, Cognitive Radio (CR) offers a unique solution to streamline communication between police, Emergency Medical Technicians (EMT), and military officers. Using Software Defined Radio (SDR) technology, a flexible radio platform can be potentially configured using a Cognitive Engine (CE) to transmit and receive many different incompatible radio standards. In this thesis, an interface between a Cognitive Engine and an SDR platform is described which modifies (i.e., configures) the radioâ s operation. The interface is based upon communicating information via eXtensible Markup Language (XML) data files that contain the radioâ s Physical (PHY) parameters. The XML data files have been designed such that more development can be made to its structure as this research develops. The GNU Radio and the Universal Software Radio Peripheral (USRP) serve as the SDR platform for an example implementation. The example implementation involves importing XML data files into the SDR for quick configuration. Three configuration examples are used to describe this process.
Master of Science
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Nordin, Hellström Kristopher, et Kenny Williams. « Radiolänk med GNU Radio ». Thesis, University of Gävle, Ämnesavdelningen för elektronik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-4113.

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At the Department of Technology and Built environment at the University of Gävle there was an interest to study GNU Radio, which is an "open source radio project. The project is based on that most of the radio signal processing is made in an ordinary PC. The idea behind this degree project was that in a laptop there are several radio transmitters/receivers that takes space, generates heat and transmit in varied frequency band etcetera.

 

All these radio transmitters/receivers could be replaced with a Software Defined Radio system. It means that one common, general radio hardware is used to different communications such as: WLAN, Bluetooth, GPRS, 3G etcetera. The waveform is generated in the software, which makes the system very flexible. To transmit and receive radio signals a USB-based hardware is required, for example from Ettus Research LLC.

 

During this degree project two PC:s was used for the signal processing and the signal transferring. The operating system that was used on the computers, were the Linux based Ubuntu 8.04. To generate the signals, to modulate/demodulate the signals and to get the communication on the sound cards in/out-port working, the different packages in the GNU Radio software was used and for programming the high level language, Python, was used.

 

In this degree project a lot of experiments where made, for example a sine wave was generated in computer 1 and the signal was amplitude modulated and transferred to computer 2, through the sound card. In computer 2 the signal was demodulated and filtrated, before it was saved to the hard drive. When the signal was saved on computer 2, it could be sent out on the sound card and be studied on an oscilloscope. This transfer between the computers was made with a stereo cable, but also with a radio link equipment on the University of Gävle.

 

The result of this degree project was satisfying, because the signal was possible to modulate, transfer, demodulate and save. In the wire transfer a lot of noise was generated on to the signal, mostly because of the sound cards. When the wireless transfer was made it appeared more noise, because of the quality of the receiver, the transmitter and the antennas.

 

This work can be developed to more advanced systems.


Vid Högskolan i Gävle på institutionen för Teknik och Byggd miljö (ITB) fanns ett intresse att undersöka GNU Radio, som är ett open source radio-projekt. Projektet bygger på att den största delen av radiosignalbehandlingen sker i en vanlig PC. Idén som låg till grund för detta examensarbete var att det i en laptop finns ett stort antal radiosändar- och mottagarkretsar som tar plats, genererar värme och sänder på olika frekvensband med mera.

 

Alla dessa radiosändar- och mottagarkretsar skulle kunna ersättas med ett Software Defined Radio-system. Vilket innebär att en gemensam, generell radiohårdvara används för olika kommunikationer som: WLAN, Bluetooth, GPRS, 3G med flera. Vågformerna genereras i mjukvaran, vilket gör systemet mycket flexibelt. För att kunna ta emot och sända radiosignaler behövs en hårdvara. Denna hårdvara har bland annat Ettus Research LLC tagit fram, med USB-anslutning.

 

Under examensarbetet har två stycken PC använts för behandling av signaler, samt överföring mellan dessa. Operativsystemet som användes på datorerna var det Linuxbaserade Ubuntu 8.04. För att generera signaler, modulation/demodulation av dessa signaler samt för att få kommunikation med ljudkortets in-/utgång att fungera, användes de olika paketen i mjukvaran GNU Radio och för programmering användes högnivåspråket Python.

 

I detta examensarbete utfördes ett flertal experiment, bland annat genererades en sinussignal i dator 1 och signalen amplitudmodulerades och överfördes till dator 2 via ljudkortet. På dator 2 demodulerades denna signal och filtrerades, innan den sparades på hårddisken. Signalen kunde sedan skickas ut på ljudkortet och studeras med ett oscilloskop. Överföringen mellan datorerna gjordes med en stereokabel, men också med en radiolänkutrustning som fanns på Högskolan i Gävle.

 

Resultatet var tillfredställande då signalen kunde moduleras, överföras samt demoduleras och sparas. I den trådbundna överföringen uppstod mycket brus i signalen, till största delen berodde detta på ljudkorten. När den trådlösa överföringen gjordes uppstod mera brus, vilket berodde på kvalitén hos mottagare, sändare och antennerna.

 

Detta arbete kan utvecklas till mer avancerade system.

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Gomes, António João Matos. « Ressonância magnética nuclear com recurso a um transreceptor rádio controlado por software ». Master's thesis, Faculdade de Ciências e Tecnologia, 2014. http://hdl.handle.net/10362/13008.

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Dissertação para obtenção do Grau de Mestre em Engenharia Electrotécnica e de Computadores
A investigação realizada no desenvolvimento de Software-Defined Radars (SDR) tende sempre para a combinação de hardware do Universal Software Radio Peripheral (USRP) com o software Gnu Radio, desenvolvido especialmente para as comunicações rádio. Existem diversos estudos em que demonstram que estas duas ferramentas podem ser usadas em conjunto para a implementação de um sistema SDR de baixo custo e bastante versátil. Com o desenvolvimento da tecnologia, o USRP tem vindo a aumentar o seu potencial podendo ser aplicado a diversas tecnologias. Com alguns conhecimentos do funcionamento de uma Ressonância Magnética Nuclear (NMR) é possível adaptar-se o USRP num equipamento capaz de efetuar uma NMR. O trabalho realizado nesta dissertação consiste na implementação de um sistema de Ressonância Magnética Nuclear (Nuclear Magnetic Resonance – NMR) utilizando um sistema de Software-Defined Radio (SDR). Foi construído um diagrama de blocos que enviasse um sinal semelhante ao sinal enviado numa NMR, foi criado um sinal de resposta, de forma a simular a NMR sendo de seguida analisado como se de um sinal obtido se tratasse. A análise do sinal consiste na obtenção do máximo e máximos relativos, aproximando-os a uma expressão inversamente exponencial.
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Campo, Clément. « Conception d'un système de contrôle d’antennes basé sur la radio logicielle pour réception et émission améliorées de données ». Thesis, Poitiers, 2020. http://www.theses.fr/2020POIT2270.

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Aujourd’hui média incontournable d’échange d’informations, les ondes électromagnétiques sont plus que jamais présentes dans notre environnement. Le nombre toujours croissant d’appareils connectés appelle à une meilleure utilisation des ressources spectrales disponibles. Dans le cadre particulier des télécommunications avec un projectile, étudié dans cette thèse, les communications doivent en plus être discrètes et fiables dans un environnement hostile. Dans le contexte général des télécommunications comme dans ce dernier domaine d’application, le filtrage spatial reconfigurable dynamiquement permis par les réseaux d’antennes offre ainsi de nombreux atouts pour les défis présents et à venir. Le contrôle de réseaux d’antennes nécessite une électronique fonctionnant en cohérence et en alignement de phase. Dans une précédente thèse, un système analogique a permis de dépointer vers une station alliée le lobe principal d’un réseau embarqué dans un projectile, durant toute la trajectoire de ce dernier. Ce système n’autorise cependant que 16 configurations pour le diagramme de rayonnement du réseau et n’est fonctionnel qu’autour de 5,2 GHz. Par opposition, la radio logicielle utilise des composants large-bande programmables, qui permettent le traitement des signaux reçus ou à émettre en bande de base numérique. Son utilisation rendrait ainsi possible un contrôle du diagramme de rayonnement du réseau plus précis et un fonctionnement sur de larges bandes de fréquences. Cette technologie reste pourtant encore peu utilisée dans le cadre des applications à cohérence de phase. Ces travaux étudient donc les possibilités offertes par la radio logicielle pour les applications à cohérence, avec la contrainte supplémentaire d’alignement des phases, à travers les télécommunications avec un projectile. Des réseaux d’antennes de géométries linéaire et planaire sont étudiés. Un système de contrôle d’antennes de 4 voies en réception et émission est conçu à partir de radios logicielles commerciales. Des solutions, distinctes pour la réception et l’émission de données, sont développées pour assurer une compensation automatisée des déphasages entre les voies. Plusieurs algorithmes de traitement d’antennes et d’estimation d’angle d’arrivée (DOA) sont implémentés en C++. Les équipements disponibles ne permettant une mesure automatisée des diagrammes de rayonnement des réseaux pilotés par radios logicielles, un montage expérimental est proposé. Les performances du système sont alors quantifiées en chambre anéchoïque pour des réseaux d’antennes de différentes géométries et des fréquences de fonctionnement allant de 2,3 à 5,2 GHz. Selon le réseau piloté, le lobe principal ou un nul de rayonnement peuvent être dépointés dans des plages angulaires allant de 60 à plus de 100°, selon une ou deux dimensions. Les algorithmes implémentés sont également utilisés pour développer une station au sol de suivi de projectile basée sur l’estimation de DOA de l’émetteur embarqué dans le projectile et testée en conditions réelles. Plusieurs projectiles volant à une vitesse proche de celle du son sont alors correctement suivis électroniquement. Le rapport signal à bruit du signal recombiné grâce à la station de suivi est plus de 5 dB supérieur à celui d’une unique antenne du réseau et les données de vol du projectile sont correctement décodées
As a wireless way to exchange information, electromagnetic waves are more omnipresent in our environment than ever. The ever increasing number of connected devices calls for a better use of the available spectrum. In the particular case of telecommunications with a projectile, which is the case of study in this thesis, communications must also be discreet and reliable, even in a hostile environment. In the general framework of telecommunications as well as in this particular field of application, antenna arrays and the dynamic spatial filtering they allow offer multiple advantages for present and future challenges. Antenna array steering requires phase coherent and phase aligned functioning from the control electronics. In a previous PhD thesis, an analog system allowed beam steering of the array embedded in a projectile towards a base station at all times during projectile flight. However, this system was only able to switch between 16 different configurations for the embedded array radiation pattern and was functional only around a 5.2 GHz working frequency. On the other hand, Software Defined Radio (SDR) uses wide-band programmable components thanks to which received or generated signals can be processed in digital baseband. Therefore, using SDR would allow for a more precise control of the radiation pattern over large frequency bandwidths. Despite these promises, this technology remains rarely used for phase coherent applications. This work hence studies possibilities provided by commercial SDR for phase coherent applications. Telecommunications with a projectile, which also require phase alignment, constitute the considered application. Linear and planar antenna arrays are studied. An antenna weighting system of 4 channels for both data reception and transmission is assembled using commercial SDR. Distinct solutions are developed for data reception or transmission in order to automate phase shift compensation between channels. Several antenna weighting and Direction of Arrival (DOA) algorithms are implemented in C++. As the available equipment does not allow the automated measurement of the radiation pattern of antenna arrays when steered by SDR, a dedicated experimental setup is proposed. The developed system performance is then quantified in an anechoic environment for arrays of different geometries, and working frequencies from 2.3 to 5.2 GHz. Depending on the measured array, the main lobe or null can be steered within 60 to more than 100° along 1 or 2 dimensions. The implemented algorithms are also used to develop a projectile tracking station based on DOA estimation of the transmitter embedded in the projectile. The resulting station is tested with several projectiles flying at a speed close to Mach 1. The projectiles are electronically followed by the system as expected from simulations. The signal to noise ratio of the station combined signals is superior to that of a single element signal by more than 5 dB, and transmitted flight data is correctly decoded
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Cheng-Wei-Hung et 洪丞韡. « The Research on the Implementation of Software Defined Radio (SDR) Using Universal Software Radio Peripheral (USRP) ». Thesis, 2016. http://ndltd.ncl.edu.tw/handle/ng9v95.

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碩士
義守大學
電機工程學系
104
The need for mobility and wireless connectivity has driven the widespread deployment of many wireless networks either in local areas (WiFi) or in metropolitan areas (WiMAX, 3.5G, etc.). Cognitive Radio (CR) technology, which is implemented by the concept of software defined radio (SDR), has become a key focus of research in recently years due to the capability of the reuse of the available spectrum resources. In this thesis, the comprehensive details of six CR design instances are descried and implemented by the NI USRP-292x SDR platform, the universal software radio peripheral of National Instruments Corporation. The six instances are FM Transmission with niUSRP, Forward Powerpoint Slides with Your Car Keyfob, RF Record and Playback with USRP and LabVIEW Communications, Packet-based Digital Link, Wireless Video Link and 2x2 MIMO QAM with Alamouti Coding, respectively.
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Yin, Wen. « Diffusive Acoustic Confocal Imaging System (DACI) : a novel method for prostate cancer diagnosis ». Thesis, 2017. https://dspace.library.uvic.ca//handle/1828/8910.

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This thesis is part of the project undertaken to develop a diffusive acoustic confocal imaging system (DACI) that aims to differentiate between healthy and the diseased tissues in the prostate. Speed of sound is chosen as the tool to quantify the alterations in the tissues’ mechanical properties at different pathological states. The current work presents a scanning configuration that features three components: an acoustic emitter, a focusing mirror and a point receiver. The focusing mirror brings the collimated acoustic beam from the emitter into a focused probe position, which needs to be located within the bladder or at the near surface of the prostate. This position is introduced as the virtual source, where the acoustic intensity diffusively scatters into all directions and propagates through the specimen. The system design was simulated using ZEMAX and COMSOL to validate the concept of the virtual source. Lesions in a phantom prostate were found in the simulated amplitude and phase images. The speed of sound variation was estimated from the 1D unwrapped phase distribution indicating where the phase discontinuities existed. The measurements were conducted in a water aquarium using the tissue-mimicking prostate phantom. Two-dimensional projected images of the amplitude and the phase distributions of the investigating acoustic beam were measured. A USRP device was set up as the signal generation and acquisition device for the experiment. Two different signal extractions methods were developed to extract the amplitude and the phase information. The experimental results were found to generally agree with the simulation results. The proof-of-concept design was successful in measuring both the phase and the amplitude information of the acoustic signal passing through the prostate phantom. In future, the 2D/3D speed of sound variation needs to be estimated by an appropriate image reconstruction method.
Graduate
2018-12-06
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Huang, Ching-Jung, et 黃清榮. « Sampling Techniques for Software-Defined-Radio Based Universal Handheld Terminals ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/42070325314399488278.

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碩士
國立臺灣海洋大學
電機工程學系
95
The principal idea behind the design of a software defined radio (SDR) is that the analog-to-digital and digital-to-analog converters should be placed as near the antenna as possible, such that most of the radio functionalities can be implemented on a digital signal processor. One way to achieve this is by Digital Quadrature sampling Demodulation (DQD) of the desired RF signal, which shifts the RF signal to the baseband. In this thesis, we present an efficient algorithm to compute the minimum quadrature sampling frequency for direct downconversion of multiple RF signals from real applications, such as GSM, CDMA2000, UMTS, DAB and DVB-H, simultaneously in a single terminal. We also present the simulation result which verify the correctness of the proposed algorithm.
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Livres sur le sujet "Universal software radio peripheral"

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Simulation and Software Radio for Mobile Communications (The Artech House Universal Personal Communications Series). Artech House Publishers, 2002.

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Chapitres de livres sur le sujet "Universal software radio peripheral"

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Ettus, Matt, et Martin Braun. « The Universal Software Radio Peripheral (USRP) Family of Low-Cost SDRs ». Dans Opportunistic Spectrum Sharing and White Space Access, 3–23. Hoboken, NJ : John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781119057246.ch1.

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Abdullahi, Aliyu Buba, Rafael F. S. Caldeirinha, Akram Hammoudeh, Leshan Uggalla et Jon Eastment. « Real Time Multiuser-MIMO Beamforming/Steering Using NI-2922 Universal Software Radio Peripheral ». Dans Lecture Notes in Networks and Systems, 28–50. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12388-8_3.

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Singh, Munesh, Sourav Kumar Bhoi et Pabitra Mohan Khilar. « Short-Range Frequency-Modulated Continuous Wave (FMCW) Radar Using Universal Software-Defined Radio Peripheral (USRP) ». Dans Advances in Intelligent Systems and Computing, 559–65. Singapore : Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3376-6_60.

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Sheybani, Ehsan. « Universal Software Radio Peripheral/GNU Radio-Based Implementation of a Software-Defined Radio Communication System ». Dans Strategic Innovations and Interdisciplinary Perspectives in Telecommunications and Networking, 227–40. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8188-8.ch012.

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Challenges involved in space communications across wireless channels call for new approaches to radio systems. Due to the growing need for frequency change in modern wireless systems, an adaptive radio system has the highest demand. Software-defined radios (SDR) offer this type of adaptivity as well as compatibility with other standard platforms such as USRP/GNU radio. Despite limitations of this approach due to hardware components, viable modeling and simulation as well as deployable systems are possible using this platform. This chapter presents a detailed implementation procedure for a USRP/GNU radio-based SDR communication system that can be used for practical experiments as well as an academic lab in this field. In this experiment the USRP has been configured to receive signal from a local radio station using the BasicRX model daughterboard. The programmable USRP executes Python block code implemented in the GNU Radio Companion (GRC) on Ubuntu OS.
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Javidi, Giti. « Software-Defined Radio/Digital Signal Processing-Based Cognitive System for Universal Software Radio Peripheral Satellite Signal Detection ». Dans Strategic Innovations and Interdisciplinary Perspectives in Telecommunications and Networking, 213–26. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8188-8.ch011.

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In this chapter, the author describes a software-defined radio (SDR)/digital signal processing (DSP)-based cognitive system that has been developed based on the universal software radio peripheral (USRP) and the GNU radio software platform to detect satellite signals. The USRP, running Ubuntu operating system, with interchangeable daughterboard, allows for a variety of experimental settings. The USRP Xilinx Vertex 3 FPGA chip can handle C++, Python, and/or VHDL device programming and configuration. The goal is to create a detector in C++ and Python to implement a cognitive system capable of recording the L1 signal from a DirecTV satellite. The GNU radio companion (GRC), an open source for building software defined radio, and Matlab/Simulink logic blocks are used to create the desired flow graph that results in building and generating the detector program. The proposed experiments explore the effects of different detection techniques, and provide some quantitative results on performance improvements via the software-defined radio approach.
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Sheybani, Ehsan. « Real-Time Digital Signal Processing-Based Algorithm for Universal Software Radio Peripheral to Detect GPS Signal ». Dans Strategic Innovations and Interdisciplinary Perspectives in Telecommunications and Networking, 241–54. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8188-8.ch013.

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Software-defined radios (SDR) are gradually becoming a practical option for implementing RF communication systems due to their low cost, off-the-shelf availability, and flexibility. Although the analog limitations of the hardware devices in these systems create barriers to some applications, creative algorithms in digital signal processing (DSP) can improve the results. In some cases, this improvement is essential to establishing a robust and reliable communication. The universal software radio peripheral (USRP) is a popular hardware that can be used alongside the SDR. Among many capabilities of USRP and its changeable daughter boards is receiving GPS signals. The GPS satellites transmit data on two main frequencies, L1 (1575.42 MHz) and L2 (1227.60 MHz). In this chapter, the focus is on describing a detailed implementation of the real-time DSP-based algorithm for USRP to detect GPS signal, namely the L1 band that transmits at 1575.42 MHz.
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Jayapalan, Avila. « USRP-Based Secure Data Transmission ». Dans Handbook of Research on Multimedia Cyber Security, 227–42. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2701-6.ch012.

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With the advent increase in growth of wireless technology Orthogonal Frequency Division Multiplexing (OFDM) gains popularity in recent years. OFDM forms the fundamental backbone of many currently used wireless transmission standards. It is a multicarrier modulation scheme which overcomes the need for equalizer to mitigate ISI caused due to multipath propagation. In this work, an OFDM based transceiver has been developed utilizing various modules like Source Coding, Channel Coding, IFFT-FFT, scrambler, cyclic prefix, and signal mapper. To ensure secure data transmission, Hadamard matrix is XORed with the data. This provides a low level of protection to the image which is transmitted. LabVIEW has been used as the processing tool to develop the transceiver and the prototype developed has been tested using Universal Software Radio Peripheral (USRP).
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Actes de conférences sur le sujet "Universal software radio peripheral"

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Tong, Z., M. S. Arifianto et C. F. Liau. « Wireless transmission using universal software radio peripheral ». Dans 2009 International Conference on Space Science and Communication (IconSpace). IEEE, 2009. http://dx.doi.org/10.1109/iconspace.2009.5352678.

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Ridwan, M. A., N. A. M. Radzi, F. Abdullah, N. M. Din et M. H. Al-Mansoori. « Fiber Wireless testbed using Universal Software Radio Peripheral (USRP) ». Dans TENCON 2016 - 2016 IEEE Region 10 Conference. IEEE, 2016. http://dx.doi.org/10.1109/tencon.2016.7848729.

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Li, Zhilin, Jian Tang, Xuejie Zhu et Caihong Kai. « Simple GSM base station based on universal software radio peripheral ». Dans 2014 5th International Conference on Computing, Communication and Networking Technologies (ICCCNT). IEEE, 2014. http://dx.doi.org/10.1109/icccnt.2014.6963047.

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Xu, Shengxin, Heng Liu, Fei Gao et Zhenghuan Wang. « Non-contact Vital Sign Monitoring Using Universal Software Radio Peripheral ». Dans 2018 2nd IEEE Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2018. http://dx.doi.org/10.1109/imcec.2018.8469289.

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Einarsson, Bjarni Tor, Ahmed Hussain et Per-Simon Kildal. « Measurements of throughput in reverberation chamber using universal Software Radio Peripheral ». Dans 2014 8th European Conference on Antennas and Propagation (EuCAP). IEEE, 2014. http://dx.doi.org/10.1109/eucap.2014.6901963.

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Erturk, Okan, Kutay Bolat, A. Doruk Baskan et Ibrahim Altunbas. « A Media-Based Modulation Communication System Implementation Using Universal Software Radio Peripheral ». Dans 2019 27th Telecommunications Forum (TELFOR). IEEE, 2019. http://dx.doi.org/10.1109/telfor48224.2019.8971090.

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Schwall, Michael, Stefan Nagel, Christian Reimer et Friedrich K. Jondral. « Model-based waveform design for the universal software radio peripheral with simulink ». Dans 2011 IEEE 54th International Midwest Symposium on Circuits and Systems (MWSCAS). IEEE, 2011. http://dx.doi.org/10.1109/mwscas.2011.6026549.

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Szlachetko, Boguslaw, Andrzej Lewandowski et Grzegorz Haza. « Universal software radio peripheral as a receiver and DSP platform for a passive radar ». Dans Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2010, sous la direction de Ryszard S. Romaniuk. SPIE, 2010. http://dx.doi.org/10.1117/12.871895.

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Soni, Gaurav, Gurpreet Kaur et V. K. Banga. « Implementation & ; BER Analysis of 2×2 MIMO Using USRP 2920- Universal Software Radio Peripheral ». Dans 2016 Second International Conference on Computational Intelligence & Communication Technology (CICT). IEEE, 2016. http://dx.doi.org/10.1109/cict.2016.109.

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Lee, Yeongrok, Sung Sik Nam et Young-Chai Ko. « Implementation of Multiple Signal Classification and Triangulation for Localization of Signal Using Universal Software Radio Peripheral ». Dans 2019 IEEE 4th International Conference on Computer and Communication Systems (ICCCS). IEEE, 2019. http://dx.doi.org/10.1109/ccoms.2019.8821648.

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Rapports d'organisations sur le sujet "Universal software radio peripheral"

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Verma, Gunjan, et Paul Yu. A MATLAB Library for Rapid Prototyping of Wireless Communications Algorithms with the Universal Software Radio Peripheral (USRP) Radio Family. Fort Belvoir, VA : Defense Technical Information Center, juin 2013. http://dx.doi.org/10.21236/ada586682.

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