-
05/09/2023, 10:00
Lindy Elkins-Tanton is a planetary scientist, the Principal Investigator of the NASA Psyche mission, and Arizona State University Vice President of the Interplanetary Initiative. Her research concerns the formation and subsequent evolution of rocky planets, and processes of education for the future of society. She has led four field expeditions in Siberia.
Asteroid (8252) Elkins-Tanton is...
Go to contribution page -
Marc Lichtman (IQEngine)05/09/2023, 11:00
IQEngine is a free and open source web-based toolkit for analyzing, processing, and sharing RF recordings. It is built on top of the SigMF metadata standard, and the canonical instance of the site running at www.iqengine.org acts as a central repository for example SigMF recordings, while being a valuable tool for signal analysis and RF/DSP education. Using IQEngine's plugin API, GNU Radio...
Go to contribution page -
Martin Braun (Ettus / National Instruments)05/09/2023, 11:30Sponsor Talk
As in previous years, we would like to present the latest state of our USRP family and the UHD and RFNoC software stacks. One focus of this presentation will be the USRP X440, our latest SDR product, which enables unprecedented instantaneous bandwidths. We will discuss how you can use our SDR product line to capture more spectrum than ever!
Go to contribution page -
Chukwunodebem Onwuchekwa (UMass Boston), Michael Rahaim (UMass Boston)05/09/2023, 13:00
Optical Wireless Communications (OWC) is one of many new and growing interests of the research community; however, a significant amount of system-level OWC research has focused on theoretical and/or simulated analysis with limited experimental validation. In order to address this concern and support experimental OWC test systems, we have previously introduced the gr-owc out-of-tree module in...
Go to contribution page -
Murat Sever (TOBB ETU)05/09/2023, 13:00
Tutorial aims to introduce fundamental DSP concepts and GNU Radio to new users. It consists of the following lab modules that are all based on Jupyter Notebooks.
- Lab DSP: GNU Radio will be introduced. It will be leveraged to generate mono/stereo sound, make filtering on generated sound. Sound card will be utilized to learn fundamental DSP concepts like sampling rate, aliasing, filtering...
-
Neel Pandeya (National Instruments / Ettus Research)05/09/2023, 13:00Workshop
This workshop provides a tutorial on the RFNoC framework, including a discussion on its design and capabilities, demonstrations of several practical examples, and a walk-through of implementing a user-defined RFNoC Block and integrating it into both UHD and GNU Radio. The RFNoC (RF Network-on-Chip) framework is the FPGA architecture used in USRP devices, specifically the E310, E312, E320,...
Go to contribution page -
Wael Farah (SETI Institute)05/09/2023, 13:15
The Allen Telescope Array (ATA) is the world's only radio telescope built from the ground up to perform the search for technosignatures, signs of technologically-capable extraterrestrial civilizations. Hosted on the Hat Creek Radio Observatory, the ATA is comprised of 42 6.1m in diameter, offset Gregorian radio telescopes. Cryogenically-cooled dual-polarized log-periodic feeds are mounted on...
Go to contribution page -
Mr Michael Alldritt (UTS Sydney)05/09/2023, 13:45
My research project is based on using modulated ultra sound at high frequency in the audio
Go to contribution page
band as a way to communicate between devices located in either Shipping Containers or Hi Rail
(Road Rail) vehicles. The research stems from a UTS capstone project completed ten years ago
that investigated methods to allow shipping containers that are stacked to form Ad Hoc
networks(Parr 2010).
The... -
Ms Lindsay Berkhout (Arizona State University), Lindsay Berkhout (ASU)05/09/2023, 14:15
The Completely Hackable Amateur Radio Telescope (CHART) is a radio astronomy platform aimed at high school students and teachers. The project offers online tutorials and code for building an inexpensive instrument to detect the 21-cm signal from neutral hydrogen in the Milky Way. Complete parts for the project can be acquired for under $300. The base platform is intended to work out of the box...
Go to contribution page -
Kaitlyn Ashcroft (Arizona State University)05/09/2023, 14:30
The Completely Hackable Amateur Radio Telescope (CHART), is an initiative to create a radio telescope that is both low tech and low cost, making it easily accessible to anyone. The base design is optimized to look at the Milky Way and capture the hydrogen 21 cm line. The CHART project includes a base design that consists of a cardboard telescope and an RTL-SDR module programmed with GNURadio....
Go to contribution page -
Martin Braun (GNU Radio)05/09/2023, 15:20
Most available Software Defined Radio peripherals use local oscillators (LOs), mixers and filters to move signals of interest into the desired bands and center frequencies. With the advent of more powerful ADCs and DACs, we are able to build SDRs that don't require analog components, and instead use direct sampling techniques.
However, this puts some burden on the user, because the lack of...
Go to contribution page -
William Blair (ANDRO Computational Solutions)05/09/2023, 15:50
For the software defined radio (SDR) industry, when utilizing general purpose processors (GPPs), software-based waveform developers have leveraged Moore’s law to improve waveform performance by simply moving their code to better GPPs and SDRs as they become available. However, making full use of a computer’s capabilities today is a challenging task due to increased hardware and software...
Go to contribution page -
Rafael Turner (Dedrone)05/09/2023, 16:05
This talk sheds light on the significantly under-explored field of automated classification of Forward Error Correcting (FEC) codes. The task, analogous to automatic modulation, determines the type of FEC code employed by examining variable-length sequences of bits. Furthermore, the objective extends to estimating vital properties of the code, including but not limited to the coding rate and...
Go to contribution page -
Shammi A. Doly (Arizona State University)05/09/2023, 16:35
Combining Software Defined Radios (SDRs) with the GNU Radio software development toolkit can enable rapid prototyping of integrated sensing and communications (ISACs) systems. In this paper, we conduct a Hardware-In-The-Loop (HWIL) over-the-air (OTA) experiment on a low-cost SDR platform testbed to demonstrate the feasibility of cooperative waveform design for a joint radar-communications...
Go to contribution page -
06/09/2023, 09:00
Constantine Balanis is a member of the Emeritus College and had been with ASU's School of Electrial, Computer and Energy Engineering (formerly Department of Electrical Engineering) since 1983, where he was a Regents Professor. His research interests are in computational electromagnetics, smart antennas, antennas, microwaves, and multipath propagation.
He received in 2004 an Honorary...
Go to contribution page -
06/09/2023, 09:45
-
Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)06/09/2023, 10:00Keynote
Dr. Ralph J. Steinhagen, a senior scientist at FAIR (Facility for Anti-Proton and Ion Research), has worked in the fields of accelerator physics and technology for over 25 years. Drawing parallels between large-scale scientific research and team sports, he cherishes having "scored critical goals for the team", especially with his contributions to feedback control and high-frequency beam RF...
Go to contribution page -
Andy Avtushenka06/09/2023, 11:00
Our project aims to ease SDR workflow since there are a lot of burdens especially for new beginners. Software installation, configuration might be discouraging. So we decided to do everything in a web browser.
It's possible to talk to hardware directly in a web browser using WebUSB.
Go to contribution page
WebUSB technology is available in the Chrome browser—under Linux, Windows, MacOS, and Android—without... -
06/09/2023, 11:30Sponsor Talk
-
Luigi Cruz (SETI Institute)06/09/2023, 13:00
The Allen Telescope Array (ATA) is a radio interferometer currently composed of 42 antennas. The array is made up of 6.1-meter diameter offset Gregorian telescope elements distributed randomly with a maximum baseline of 300 meters. The recently upgraded cryo-cooled log-periodic antenna feed (known as Antonio Feed) is sensitive to a wide and continuous range of frequencies ranging from 900 MHz...
Go to contribution page -
Marcus Mueller06/09/2023, 13:00
In this workshop, we'll constructively go through building a simple transmitter and receiver system for a basic modulation scheme, starting from a clean-sheet GNU Radio companion window.
During development, design considerations will be explained, to close the gap to classical digital communications design theory.
The workshop will require participants to have a working GNU Radio 3.10...
Go to contribution page -
Brendan McAuliffe (Software Radio Systems)06/09/2023, 13:00
The srsRAN Project provides an open-source, ORAN-native, 5G CU/DU solution to simplify OpenRAN and 5G research, development, and testing.
srsRAN supports the use of 3rd-party UEs and 5G Cores (5GCs) to create end-to-end 5G networks with ease, with the option to fully customize the implementation. A great example of this is the ability to easily deploy a network and connect COTS UEs for...
Go to contribution page -
Bailey Campbell (Penn State University)06/09/2023, 13:30
Three-dimensional antenna arrays are a less-explored family of aperture distributions when compared to linear and planar topologies. This is due in part to performance degradation from shadowing and scattering when the array spacing is fixed and on the order of a half wavelength, but the overall logistical complexity of their construction also creates challenges that have limited their...
Go to contribution page -
Dr Michael Rahaim06/09/2023, 14:00
Reconfigurable narrowband antennas with operating frequency agility can provide several performance benefits like size compactness, improved noise performance, and suppression of out-of-band interferences. However, much of the research effort has focused on observing the hardware capabilities, and antenna reconfiguration is rarely implemented with a software-defined radio (SDR). The...
Go to contribution page -
Jon Kraft (Analog Devices), Mark Thoren (Analog Devices)06/09/2023, 14:15
In this talk we will demonstrate how to build, control, and process data from a 10 GHz, 8 element, FMCW phased array radar. We will be using Analog Device's open source CN0566 (aka "the Phaser"), the ADALM-PLUTO, and GNU Radio Companion. There will be a live demonstration of beamforming fundamentals including: direction of arrival, monopulse tracking, tapering, grating lobes, and FMCW...
Go to contribution page -
Wylie Standage-Beier06/09/2023, 15:05
This course introduces and surveys beginner and intermediate-level signal processing focused on communications systems. The course will introduce basic math concepts fundamental to and applications of signal processing. The course will explore the properties of signals and systems, including spectral estimation, detection, and information theory.
Go to contribution page -
Jacob Gilbert, Marc Lichtman06/09/2023, 15:20Workshop
The Signal Metadata Format (SigMF) specifies a way to describe sets of recorded digital signals with metadata written in JSON. It was designed for RF recordings, which consist of IQ samples. SigMF can be used to describe general information about the RF recording, the characteristics of the system that generated the samples, and features of the signal itself. This workshop, hosted by two of...
Go to contribution page -
Mr Marius Siauciulis (University of Strathclyde)06/09/2023, 15:20
The AMD RFSoC (Radio Frequency System on Chip) architecture has gained significant attention within the Software Defined Radio (SDR) community for its integration of Radio Frequency (RF) frontend, FPGA fabric and Linux-capable Arm-based processing system. Despite its accessibility to researchers via the RFSoC2x2 and RFSoC4x2 development board platforms, its adoption within the GNU Radio...
Go to contribution page -
Drake Silbernagel (Arizona State Graduate Student - WISCA/Bliss Labs), Prithvi Hemanth (Arizona State Graduate Student - WISCA/Bliss Labs), Saquib Siddiqui (Arizona State Graduate Student - WISCA/Bliss Labs), Alex Chiriyath (Arizona State University)06/09/2023, 15:35
Through the patronage of the DARPA DSSoC program, we constructed the DASH SoC, a coarse-scale heterogeneous SoC that breaks the trade-off in computational efficiency versus ease of reprogrammability. The DASH SoC caters to the target domains of sophisticated RF processing for communications, radar, PNT, and spectral situational awareness. We also developed an FPGA-based DASH emulation platform...
Go to contribution page -
Paul Boven (JIVE/CAMRAS/U. Leiden)06/09/2023, 15:50
Radio telescopes are some of the largest instruments in use in astronomy, but their (angular) resolution is actually somewhat poor. This can be improved upon by combining several radio telescopes, in a technique called radio interferometry. This creates a much larger virtual radio telescope, with its size (and resolution) determined by the longest distance between participating telescopes. For...
Go to contribution page -
Simon Steel06/09/2023, 16:20Talk
-
06/09/2023, 17:05Breakout Session
A chance for women (and others!) attending GRCon to meet up. Very informal.
Go to contribution page -
07/09/2023, 09:00
Eric Blossom founded the GNU Radio project in 2001 and ran it as a full-time undertaking through 2010. Eric was responsible for the original architecture and implementation of GNU Radio, including the fundamental concepts of blocks, streaming data, the buffering system, and the first two generations of schedulers. If there's something about GNU Radio that bugs you, there is a good chance that...
Go to contribution page -
Josh Morman07/09/2023, 09:45Project Talk
Much effort has been put towards what will become the official GR 4.0. In this brief overview, we discuss the various aspects of the prototypes and plans for the future.
Go to contribution page -
Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)07/09/2023, 10:00
The upcoming GNU Radio 4.0 release (GR4) will be the latest evolution of GNU Radio, signifying a marked advancement from GNU Radio 3 and a path to long-term, broad adoption of the framework. GR4's development prioritises streamlining the codebase by removing extraneous complexities inherited from its predecessor while preserving valuable functionalities. This approach enhances the software...
Go to contribution page -
Marc Lichtman07/09/2023, 11:00
Note - This is a hybrid workshop / hacking session
- Brief introduction to the IQEngine project
- Follow-along tutorial for how an existing GNU Radio flowgraph can be modified and containerized to be run as an IQEngine plugin
- Chat about pipelines
- Discussion on the REST-based interface design that IQEngine created to run plugins, and how it can potentially be useful beyond IQEngine,...
-
John Sallay07/09/2023, 11:00
Over the past few years, we have been working to rewrite the Polymorphic Types (PMTs) used in GNU Radio. The current PMTs can be confusing and difficult to use. The new PMTs use modern C++ to provide a simple and efficient interface. This new library will replace the current implementation in GNU Radio 4.0.
There have been a few twists and turns developing this new library and it has...
Go to contribution page -
Philip Balister, Toby Flynn (Red Wire Technologies, LLC)07/09/2023, 13:00
UPDATE: Download the large file:
Go to contribution page
https://www.dropbox.com/scl/fi/7qg5ek6g3pgruf1m1a0z6/sstate-cache.tar.gz?rlkey=jempcarxo0gctymrkw54pfzx8&dl=0
in order to be able to build packages during the workshop.
This workshop will cover aspects of using Embedded SDRs, including benefits and limitations. The workshop will begin with an overview of differences between Embedded SDR’s vs. Radio... -
Luigi Cruz (SETI Institute)07/09/2023, 13:15
This year's talk will focus on the progress made in the development of CyberEther since last year's presentation. Software development has progressed significantly, and it's time for a new update. We will discuss the latest features and improvements, including brand-new DSP acceleration on Metal (inside Apple Silicon’s GPU) and support for Vulkan which makes it possible to use CyberEther on...
Go to contribution page -
Prof. Dan Bliss (ASU - WISCA)07/09/2023, 13:45Talk
-
Jason M. Merlo (Michigan State University)07/09/2023, 14:15
Timing synchronization plays a critical role in many high performance software defined radio applications. However, currently, to achieve the level of synchronization required to perform distributed open loop beamforming, cabled techniques such as precision PPS fanout buffers or White Rabbit must be used to align the system clocks to within a small fraction of a sample. However, we have...
Go to contribution page -
Garrett Vanhoy (Peraton Labs)07/09/2023, 15:20Talk
TorchSig, a toolkit for applying deep-learning applications to wireless signals, was released last year and presented at GRCon. The toolkit has since undergone numerous changes to improve reliability and usability. This includes new examples for using deep-learning for tasks in spectrum awareness, new utilities for curating datasets, speedups in synthetic dataset generation and speedups in...
Go to contribution page -
Kevin McQuiggin07/09/2023, 15:35Talk
Amateur radio has been around for almost 120 years and has traditionally contributed to advancing the state of the radio art. In the early days of the hobby, many discoveries about radio and propagation were made by amateur experimenters and helped lay the foundation of radio science as we understand it today.
Amateur contributions continued into the late 20th century, and “hams” were...
Go to contribution page -
Robin Getz (MathWorks)07/09/2023, 16:05
This presentation introduces a versatile general-purpose phased array learning kit designed to address the critical challenge of interference mitigation in various communication scenarios. The primary focus is on showcasing the effectiveness of null steering techniques in mitigating interference caused by adjacent and overlapping channel interferers. The system features a linear phased array...
Go to contribution page -
07/09/2023, 18:00
-
Matthew DeMorat (Oak Ridge National Lab)08/09/2023, 09:00
I will be presenting a method of receiving the NOAA weather fax system and viewing the transmission in real time using GNU Radio. This presentation will go over the process of creating a simple HF antenna, receiving HF on an RTL-SDR, how to decode APT (Automatic Picture Transmission) signals, and how to view faxes in real time. I will also touch on issues faced while creating this project, a...
Go to contribution page -
Josh Morman, Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)08/09/2023, 09:30Project Talk
-
08/09/2023, 10:15
Back by popular demand by those who could attend our first gathering and those who had conflicts.
Go to contribution page -
Barry Duggan (GNU Radio)08/09/2023, 10:30Talk
A project was created with the following objectives:
- Send a file without repeating it.
- Use Packet formatting.
- Use BPSK modulation.
- Provide a means for the receiver to synchronize with the BPSK before the file is sent.
The talk will present the issues faced with meeting the objectives and describe how each piece was achieved. Simulated and live transmissions will be presented.
Go to contribution page -
Alexander Krimm, Josh Morman, Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)08/09/2023, 10:30Workshop
Hands-on session to work within the new framework to develop some usable blocks for GR 4.0 and learn the new paradigm
Go to contribution page -
Lindsay Berkhout (Arizona State University), Lindsay Berkhout (ASU)08/09/2023, 11:00
LightCube is a 1U Educational Cubesat which had the goal of connecting the public with space by producing a flash visible to the naked eye on command by a public user. The spacecraft could be triggered via HAM radio communications by those with an amateur license. LightCube is commanded with a DTMF sequence, and reports telemetry using RTTY, an AFSK modulation scheme. Telemetry is decoded with...
Go to contribution page -
Jean-Michel Friedt (FEMTO-ST/Time & Frequency, Besancon, France)08/09/2023, 11:15Paper (with talk)
The RADAR equation states that the range resolution is inverse of the bandwidth. This generic time of flight assessment resolution under general conditions is greatly improved under the assumption of a single isolated target illuminated by a known noise sequence with a delay resolution improved by the signal to noise ratio brought by the correlation during the pulse compression.
Using...
Go to contribution page -
Wylie Standage-Beier08/09/2023, 13:00
This workshop is a guided, hands-on introduction to GNU Radio blocks, graphs, and systems for Python users. This course will demonstrate some of the benefits of using GNU Radio for building digital receivers. It will cover more advanced concepts, including Protocol Data Units, tagged streams, polymorphic types, and development using gr_modtool. GNU Radio experience is not required. Python...
Go to contribution page -
Murat Sever (TOBB ETU), Murat Sever (TOBB ETU)08/09/2023, 13:00
Communication systems, by their nature, have a complex structure that contains multiple technologies. In order to teach communication systems, the steps that need to be taken in order for the signal to be transmitted to reach from the source to the destination are explained by prioritizing the block-based flow-graph. The given theoretical knowledge is consolidated by mostly using examples and...
Go to contribution page -
Dennis Rosenauer08/09/2023, 13:15
EME or Earth Moon Earth communications requires sensitive receivers, relatively high power transmitters and signal processing to be able to communicate by reflecting a signal off the moon. This talk will discuss the system and RF design details in making an EME capable station. The topics include the system link budget, antenna requirements, detailed RF receiver and transmitter design.
The...
Go to contribution page -
Francis McGee (McGill University)08/09/2023, 13:45
The Array of Long Baseline Antennas for Taking Radio Observations from the Seventy-ninth parallel (ALBATROS) is a 21cm cosmology experiment that uses multiple autonomous antenna stations operating in the high Arctic of Canada to lay the groundwork for probing into the cosmic “dark ages” before star formation began. An overview of the ALBATROS project will be provided, along with a primer on...
Go to contribution page -
Henning Maier08/09/2023, 14:00
A real-time SDR receiver of the French time signal ALS162 is studied, implemented and tested for GNU Radio. Inspired by the practical observations and the minor but yet appealing challenges encountered, this receiver provides another supportive learning exercise for practical signal processing with GNU Radio. Along with the transmitter and receiver design, the present paper addresses several...
Go to contribution page -
Dr Jonathn West (WSU-ECE)08/09/2023, 14:15
Weber State University (WSU) has developed an ‘open-source’ antenna-pattern measurement system physically comprised of software-defined radios (SDRs), Arduino microcontroller and 3-D printed hardware. The student-designed measurement testbed was supported by the Utah NASA Space Grant Consortium. The ‘open-source’ prototype integrates Python, GNU Radio Companion, and Linux on a single laptop...
Go to contribution page -
Adriana Rivera (UTEP Aerospace Center)08/09/2023, 15:20
The authors present a web-based front end satellite tracking application for the automated tracking of two student-designed CubeSat satellites scheduled for launch in 2024 operating with a full duplex scheme in the UHF and commercial S-band frequency bands. Satellite signals are captured and processed by integrating GNU Radio with the Ettus Research USRP x300 SDR hardware. The USRP x300...
Go to contribution page -
Adarsh Akkshai Venkataramani (Arizona State University), Isabella Lenz (Arizona State University)08/09/2023, 15:35
This paper implements an OFDM based system for joint communications and sensing. OFDM traditionally is used for passing modulated information bits in a multi-path channel. Prior to decoding the information bits, channel state information (CSI) is extracted from multiple sub-carriers in OFDM frames. The GNU based OFDM sensing performance is compared with our prior GNU based CW radar...
Go to contribution page -
Mr Frederik Ritter (KIT)08/09/2023, 15:50
In this work, we present an open-source implementation of the enumerative sphere shaping (ESS) algorithm used for probabilistic amplitude shaping. Information theory shows that the capacity of an additive white Gaussian noise (AWGN) channel is reached if the input symbols follow a Gaussian distribution. However, many communication systems employ a uniform distribution of channel input symbols,...
Go to contribution page -
08/09/2023, 16:20
-
08/09/2023, 16:30Project Talk
-
John Sallay09/09/2023, 09:30Breakout Session
-
Sara Pierson (Georgia Institute of Technology)
Acoustic communication through ice is a growing field of study with potential as both a data transfer and environmental characterization solution. Platforms for under-ice scientific investigation at Earth’s polar regions, like AUVs, ROVs, and glider surveys, are valuable tools for collecting ground-truth data; but in the GPS-denied under-ice environment, localization (positioning), and...
Go to contribution page -
Dr James 'Trip' Humphries (GTRI)SDR Instrumentation and ControlPaper (no talk)
Pulse descriptor words (PDW) are measured properties of detected RF pulses. PDWs are often utilized for radar sensor characterization, identification, and emulation. Pulse measurements are typically provided as an option on high-SWaP, high-cost laboratory test equipment or as custom FPGA firmware which is not easily scalable to multiple SDR/RF platforms. gr-pdw is an out-of-tree (OOT) module...
Go to contribution page -
Philipp Niedermayer (GSI Helmholtzzentrum für Schwerionenforschung GmbH)
Controlling stored beams in particle accelerator requires specially designed RF signals, such as needed for spill control via transverse excitation. The software-defined radio (SDR) technology is adopted as a low cost, yet highly flexible setup to generate such signals in the kHz to MHz regime. A feedback system is build using a combination of digital signal processing with GNU Radio and RF...
Go to contribution page -
Christopher Donohue (MTI Systems)
In this paper, we introduce a basic LunaNet GNU Radio library, aiming to make full-stack lunar mission communications and networking easily accessible. The library implements pieces of the LunaNet Interoperability Specification (LNIS) - the protocol suite defined for international commercial and government lunar mission internetworking. The library is used with GNU Radio, a free, open-source...
Go to contribution page
Choose timezone
Your profile timezone: