Such a radio platform would enable cubesat engineers. Skysafe is an innovative, usbased company with the mission to deliver worldclass nondestructive drone defense and airspace control solutions. Engineers might use labview for system modeling and design and then use labview fpga to program the sdr hardware, liu said. Fpgas, gnu radio and alternatives a couple of day ago, i stumbled on gnu radio. Fpga accelerators in gnu radio with xilinxs zynq system on chip. We were involved in a threat analysis effort of one specific sdr implementation, opensource gnu software defined radio 21. In this chapter, we propose a novel design of scalable and realtime data acquisition software architecture for software defined radio sdr using universal software radio peripheral usrp. It is a free and opensource software project, that provides processing blocks. Offloading gnu radio processing with fpga logic nutaq nutaq.
The transformer consists of a 2 turn primary winding and 2 turn secondary winding on a toroidal ferrite core. Softwaredefined radio for engineers analog devices. These devices include field programmable gate array fpga, digital signal. This project is used for communication system radio. Oct 01, 2012 by default, the usrp1 uses the fpga image with 2 ddcs and 2 ducs. The nutaq mbdk makes it easier to target the fpga to accelerate gnu radio processing on the baseband processor. Security aspects in software defined radio and cognitive radio.
Altera cyclone ep1c12, 64 mhz, 12,060 les, 239,616 ram bits. We pro pose mechanisms to provide the secure execution of software modules that implement radio functionality. Fpgas for dsp and softwaredefined radio engineering. Carrier frequencies or modulation types can be changed without inserting new. This is a course with a high knowledge prerequisite, so you will likely need qualifications andor knowledge equivalent to a bachelors in electricalcomputer engineering to be able to understand the material. And since these arrays are huge, many such computations can be performed in parallel. Radio that works with analog signal is implemented digitally on fpga via vhdl. When the kernel is memory bounded access to global offchip mem. These are the functions you need to move into hls in order to create a proper working bitstream which will process the data the same as the gnu radio companion block will. Malicious or malfunctioning downloaded software present serious security risks to sdr devices and networks in which they operate. However, this paper only highlights the use of gnu radio and usrp as the testbed for the implementation. Universal sofware radio peripheral usrp 2 x ad9862 codec. This implementation with the fpga allows the dsp to initiate a jamming. A software defined radio sdr testbed designed to demonstrate the.
A defenseindepth security architecture for software. Design and implementation of highperformance fpga signal. It supports numerous both standard and custom radio interfaces, and can be easily deployed, scaled and updated. N2 as new radio standards are deployed without substantially supplanting existing ones, the need for multimode multiband handsets and infrastructure increases. A data flow approach was used to understand the components and. The software has been designed and tested in multithread model, using labview, which guarantees realtime performance and efficiency. However, a device address parameter can be used to override the fpga image selection to use an alternate or a custom fpga image. Xilinx radio ip provides vendors the ability to scale to meet the disparate needs of these emerging heterogeneous networks. Software defined radio design workbook real rf signals, real radios, real fun.
The usrp x310 is designed for adaptability, making it perfect for a rapidly developed, highly. Many signal processing blocks in gnu radio exhibit parallelism and can be efficiently mapped to the architecture of a field programmable gate array fpga. In this paper, we analyze threats pertaining to the secure execution of downloaded software. Being able to rapidly prototype and deploy with the ni usrp software defined radio device, skysafe delivered industryleading capability into the field faster and at a much lower cost to the government. We base our analysis on the opensource implementation of gnu software radio. In this post we present offloading gnu radio processing with fpga logic. Software defined radio project james flynn sharlene katz 2 overview. The gnu radio fpga bitstreams for the usrp are also available with an open source license as part of the usrp. Pdf investigating latency in gnu software radio with usrp. Modular fpgabasedsoftware definedradio for cubesats.
Fieldprogrammable gate array is important in multimission software radio applications like electronic warfare, radar, communications and rf. In this chapter, we propose a novel design of scalable and realtime data acquisition software architecture for softwaredefined radio sdr using universal software radio peripheral usrp. They proposed a timestamp method, where a lowlevel ping command was used and timestamp is put at various places in the tx and rx path. The usrp x310 is designed for adaptability, making it suited for a rapidly developed, highly. Skysafe defeats commercial drone threats with opensource. With the help of this design, we have been able to improve the. Original author of full digital fm radio receiver design. There is a large variety of sdr devices in the market, each one with their features and prices. Currently grzynq has three fir filter modules, each a variation based on data input output type.
Software suitable for sdr applications includes labview, gnu radio, and matlab. Software defined radio communication fpga, dsp, gpp, psoc. The design and fpga implementation of this control plane, filter architecture, timing error. Over on his blog lukas lao beyer has uploaded a post that shows his journey with designing and building a software defined radio from scratch. Even more, nutaqs multichannel rtdex ip cores provide users the right set of tools to efficiently offload cpu processing. Going beyond the capabilities of existing spectrum monitoring solutions, omnisig is able to not only detect and classify signals, but also understand the spectrum environment to inform contextual analysis and decision. By default, the usrp1 uses the fpga image with 2 ddcs and 2 ducs. Pdf an architecture for secure software defined radio. The skysafe drone defense system uses the nibrand ettus research usrp x310 sdr, the gnu radio open source software community, and the rfnoc, a flexible fpga framework. The content of this blog is taken directly from our paper which you can download here gnu radio is an open source software toolkit that accelerates the development of software defined radio sdr thanks to the signal processing blocks it provides.
This is an ongoing project to create building blocks for a softwaredefined radio controller and signal processing in an fpga. In his post lukas describes how he designed the pcb with altium designer, routing the traces carefully to ensure the shortest path. For those who choose the gnu radio path, the requirements to have a. Design and implementation of highperformance fpga signal processing datapaths for software defined radios chris h. Software defined radio on the fpga digilent projects.
Aug 01, 2016 over on his blog lukas lao beyer has uploaded a post that shows his journey with designing and building a software defined radio from scratch. One software implementation of a51 exploits this by precomputing all possible values of the individual lfsrs. Instead of performing the normal shift and xor operations, output is generated by modifying pointers to the precomputed values. Fpga details an fpga is a recon gurable integrated circuit that can host highly complex digital circuitry, e. Gnu radio paper threat analysis of gnu software radio, university of illinois at urbanachampaign blog and code samples to follow along with in learning to program usrp with gnuradio useful commands. A platform independent model and threat analysis for mobile ad hoc networks. The omnisig software is highly flexible, and can be targeted to a wide variety of processing platforms and elements. Latency analysis in gnu radiousrpbased software radio. The usrp x310 is designed for adaptability, making it suited for a rapidly developed, highly adaptable, lowpower mobile application. Design space exploration in an fpgabased software defined. The fpga accelerated fir filter gnu radio modules reside in grzynq, a place for zynq based out of tree modules. Attendees will receive notes, software licences, and hardware to take away after the course. Gnu radio software uses i and q components to demodulate signals july 10, 2008 flynnkatz sdr 18. Fpgabased applications for software radio software radio technology offers the ability to develop radio architectures with programmable intermediate frequency, bandwidth, modulation and coding schemes.
Vulnerability analysis test bed can be assembled to conduct vulnerability. This is an ongoing project to create building blocks for a software defined radio controller and signal processing in an fpga. The usrp x310 is designed for adaptability, making it perfect for a rapidly developed, highly adaptable, lowpower mobile application. Fpga fieldprogrammable gate array can be programmed to perform a particular computation in hardware. The gnu radio 3 software also provides an alternate image that supports 4 receive channels and no transmit channels. On the vulnerability of fpga bitstream encryption against. The original design performed the fft, filtering and averaging operations on the fpga and the processed data was then sent to gnu radio for display. Platform abstraction layer on the fpga totally solves the problem of waveform portability, covering great significant in cutting down the cost of software defined radio system exploitation and improving the reconfigurability of the software defined radio system.
An introduction to fpga implementations and sdr model based design. This converts the unbalanced signal to a differential signal, and removes any dc component. Universal software radio peripheral july 10, 2008 flynnkatz sdr. In his post lukas describes how he designed the pcb with altium designer, routing the traces carefully to ensure the. Digital signal processor for sdr proprietary software tools. Fpgas for dsp and softwaredefined radio engineering short. Such a radio platform would enable cubesat engineers to develop new satellites faster and with lower costs. Advanced field programmable gate array technology offers a solution. Among the most popular options that support gnu radio, 10 the following ones can be encountered. The omnisig sensor provides a new class of rf sensing and awareness using deepsigs pioneering application of artificial intelligence ai to radio systems. Software defined radios sdr are highly configurable hardware platforms that provide the. Threat analysis of gnu software radio researchgate. We also perform a performance analysis with several example. Offloading gnu radio processing with fpga logic nutaq.
Fpgas for dsp and software defined radio enroll now. The parameterizable ip is optimized to support a wide range of equipment types, from compact, low power, narrow band solutions often required in small cell applications, to broadband, multiantenna high power mimo. However, a device address parameter can be used to override the fpga image selection to. Using the universal software radio peripheral usrp as a base, this thesis aims to create a highlyadaptive, plug and play softwarede. Gnu radio is an open source software toolkit that accelerates the development of software defined radio sdr thanks to the signal processing blocks it provides. Employing rfnoc to implement specific functionality on the x3x0s fpga. Spectrum sensing measurement using gnu radio and usrp. This requires almost 128mb of memory, but greatly improves the performance of a51 in software. This handbook introduces the basics of fpga technology and its relationship to sdr software defined radio systems. Threat modeling is a somewhat generic term referring to the process of analyzing a software system for vulnerabilities, by examining the potential targets and sources of attack in the system. The matchstiq z1 is built around a linuxready iveia atlasiz7e computeronmodule equipped with a xilinx zynq z7020 soc, which integrates dual arm cortexa9 cores along with fpga circuitry.
The skysafe drone defense system uses the ni brand ettus research usrp x310 sdr, the gnu radio open source software community, and the rfnoc, a flexible fpga framework. So, all the processing you program in gnu radio is done on your cpus, unless you use special hardware accelerator blocks, for example. Skysafe defeats commercial drone threats with opensource sdr. Details this is based upon the papilio one 500k development board from gadget factory and the zpuino softprocessor. Gnu radio digital signal processing blocks run on the computer cpu. Each loop pair is a thread in lv and can have a different priority and rate. Lukas finished sdr design is called the freesrp and is based on the analog deviced ad9364 transceiver and a xlinx fpga. By applying advanced radio engineering and deep threat analysis, the company provides provide comprehensive airspace awareness and control solutions to military. Defeating commercial drone threats with opensource sdr.
Development of a realtime software defined radio gps. Pdf investigating latency in gnu software radio with. Though the approaches differ, and some authors regard threat modeling as an. Scanning the gsm base station nearby and analyze the frequency. Fpgabased signal processors provide highperformance, while at the same time maintaining flexibility through static ram configurability 10. Fpga in general, and in particular the virtexii pro device and its security features. I was looking around electrokit online shop searching for components and i saw a cyclone iii fpga starter kit for 1599 sek 2000 sek including taxes and i thought. Loading customized firmware and fpga files in usrp. Epiq solutions announced a handheld software defined radio sdr device with an rf transceiver that tunes from 300mhz to 3. Fpga software architecture for software defined radio.
Threats abound, from the rf battlefield to the web firewall. The kit is ideal for the wireless communications system architect seeking a unified development platform. Software defined radio sdr is a wireless communication system in which. Skysafe developed a cuttingedge software defined radio sdr based capability on the open and flexible ettus research usrp x310 to counter the growing threat of lowcost drones. The output of the lna is coupled to the fpga input using a diy rf transformer with a 1. The role of fpgas in software defined radio sdr applications has. Figure 5 raw acars messages decoded by open source software and a rtl.
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