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Showing 1 to 20 of 139 for “"Software-Defined Radio"”.
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Secure Configuration for Software Defined Radio
… portable configuration profiles and plug-n-play radio composition. We use a graph mapping model to convert the configuration profile into a deployable flowraph of waveform components. We show how capabilities and regulations can be reflected in configuration profiles, and how these profiles can …
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RHINO software-defined radio processing blocks
… Digital IP blocks designed around use in Software-Defined Radio (SDR) applications and compatibility with the RHINO platform. The RHINO platform has commonalities with the better known ROACH platform, but it is a significantly cut-down and lowercost alternative which has similarities in …
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Software Defined Radio For Hybrid Beamforming Applications
… the benefits of beamforming techniques and software defined radio platform in developing a fully functioning LTE testbed. The testbed can be further developed to specific application for drone-to-drone or D2D communication independent of intervention from base stations. Applying beamforming …
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GPU Integration into a Software Defined Radio Framework
<p>Software Defined Radio (SDR) was brought about by moving processing done on specific hardware components to reconfigurable software. Hardware components like General Purpose Processors (GPPs), Digital Signal Processors (DSPs) and Field Programmable Gate Arrays (FPGAs) are used to make the …
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Exploiting quasiperiodic electromagnetic radiation using software-defined radio
… emanations from the UHF frequency band, using a software-defined radio platform to perform IQ down conversion, I outline the process to carry out a video eavesdropping attack, and methods for rasterising intercepted data. Using a database of video modes, such as VESA and CEA standards, I identify …
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Design of Software Defined Radio for SuperDARN Radar
Software defined radio (SDR) is a rapidly developing field enabled by continuing improvements in digital electronics. Software defined radio has been used extensively in communication systems due to its flexibility and cost effectiveness. Recently, SDR has been incorporated into radar systems, …
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Channelization for Multi-Standard Software-Defined Radio Base Stations
As the number of radio standards increase and spectrum resources come under more pressure, it becomes ever less efficient to reserve bands of spectrum for exclusive use by a single radio standard. Therefore, this work focuses on channelization structures compatible with spectrum sharing among …
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Low cost and portable software defined radio ground station
… to develop. However, with the introduction of Software Defined Radios (SDRs) many of the operations formerly done using hardware can now be implemented in software. Using a SDR can substantially reduce the cost of a traditionally hardware-based ground station. A number of universities and other …
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Embedded Software-Defined Radio Architectures for 6G Cellular Networks
… resulted in substantial advancements in digital radio technologies. Each new generation of cellular technology, beginning with 1G, has introduced novel use-case scenarios that have challenged the performance of the prevailing digital radio architectures. The newly proposed scenarios for …
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Stochastic optimization algorithms for adaptive modulation in software defined radio
… of the system. The technique is applied to Software Defined Radio (SDR) platforms, an emerging wireless technology which is currently being researched as a means of designing intelligent communications devices. The fundamental property that sets SDR apart from traditional radios is that the …
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Blind recognition of analog modulation schemes for software defined radio
With the emergence of software defined radios (SDRs), an adaptive receiver is needed that can configure various parameters, such as carrier frequency, bandwidth, symbol timing, and signal to noise ratio (SNR), and automatically identify modulation schemes. In this dissertation research, several …
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Software-Defined Radio Implementation of Two Physical Layer Security Techniques
… two Physical Layer Security (PLS) techniques on Software Defined Radios (SDRs). PLS is a classification of security methods that take advantage of physical properties in the waveform or channel to secure communication. These schemes can be used to directly obfuscate the signal from eavesdroppers, …
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Performance Benchmarking Software-Defined Radio Frameworks: GNURadio and CRTSv.2
In this thesis, we benchmark the Cognitive Radios Test System version 2.0 (CRTSv.2) to analyze its software performance with respect to its internal structure and design choices. With the help of system monitoring and profiling tools, CRTSv.2 is tested to quantitatively evaluate its features and …
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Performance Optimization and Parallelization of Turbo Decoding for Software-Defined Radio
… This shift in design philosophy has led to the software-defined radio (SDR) paradigm, where a significant portion of a wireless standard's physical layer is implemented in software, allowing multiple standards to share a common architecture. Turbo codes offer excellent error-correcting …
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Implementation of a software defined radio on FPGAs using system generator
The aim of this thesis is to implement a Software Defined Radio based wireless communication system using a Xilinx Spartan 3E Field Programmable Gate Array. Software Defined Radio refers to the class of reprogrammable radios in which the same piece of hardware can perform different functions at …
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Analysis and Design of a Broadband Antenna for Software Defined Radio
… the very large bandwidth requirements of software-defined radios and to minimize the effective volume of the overall design. The antenna is composed of a vertical radiating element over a wound plane, and utilizes a tuning strap to improve the impedance bandwidth over the frequency range …
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Component-Based Design and Service-Oriented Architectures in Software-Defined Radio
Software-Defined Radio (SDR) is a large field of research, and is rapidly expanding in terms of capabilities and applications. As the number of SDR platforms, deployments, and use-cases grow, interoperability, compatibility, and software re-use becomes more difficult. Additionally, advanced SDR …
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Designing a Software Defined Radio to Run on a Heterogeneous Processor
Software Defined Radios (SDRs) are radio implementations in software versus the classic method of using discrete electronics. Considering the various classes of radio applications ranging from mobile-handsets to cellular base-stations, SDRs cover a wide range of power and computational needs. As a …
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A Defense-In-Depth Security Architecture for Software Defined Radio Systems
… Recently, there has been a shift towards software defined radios due to the flexibility soft- ware implementations provide. This enables an easier development process, longer product lifetimes, and better adaptability for congested environments than conventional hardware systems. However, …
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A Reconfigurable Random Access MAC Implementation for Software Defined Radio Platforms
… SDR is used for military applications in radio devices to reconfigure waveforms, frequency, and modulation schemes in both software and hardware to improve communication performance in harsh environments. In the commercial sector, SDRs are present in cellular infrastructure, where base …
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