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16/09/2024, 15:00
Come learn a few tools and techniques to help your team get points during our GRCon CTF (starts Tuesday).
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16/09/2024, 16:00
Informal work through of how to put a block together
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17/09/2024, 09:00Keynote
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Josh Morman17/09/2024, 09:45Project Talk
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Gregory Hellbourg (Caltech)17/09/2024, 11:00Talk
The Deep Synoptic Array (DSA-2000) is a planned innovative radio telescope made of 2000 5m-dish antennas located in the Nevada (USA) desert spread over a 15 x 19 km area (projected construction in 2026). The telescope will span 700 MHz to 2 GHz with an instantaneous field-of view of 10.6 deg2. Its design is centered around the concept of Radio Camera, involving a streamlined data processing...
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Mr Levente Buzas VA7QF (University of Victoria Centre for Aerospace Research)17/09/2024, 11:30Talk
The development of radio frequency software and hardware for nanosatellites is often beyond the expertise, financial capability, and regulatory knowledge of many developers. This is especially true for Amateur satellite frequency allocations above 2.4 GHz, for academic groups, or those developers located outside the USA, due to ITAR restrictions. As a result, Amateur satellite software and...
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Mr Daniel Boschen17/09/2024, 13:00
Workshop Participation: Preparation
If you want to follow along live with the Python demonstrations in the workshop, please see the attached "Installing Miniconda" instructions document for preparing your laptop ahead of the workshop. NOTE: This is not required and the presentation content will be of interest to anyone interested in FIR filters regardless of using Python.
...
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ORNL17/09/2024, 13:00
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Joachim Tapparel (Ecole polytechnique fédérale de Lausanne (EPFL), Switzerland)17/09/2024, 13:15
LoRa is the physical layer of LoRaWAN, one of the most popular low-power wide-area network (LPWAN) technologies. The LoRa modulation uses a proprietary chirp spread spectrum modulation and error correction code to achieve long-range communication with low energy consumption. In the past years, many reverse engineering attempts have been made and led to an overall understanding of the encoding...
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Joshua Conway17/09/2024, 13:30
This project was built upon the reverse engineering work done by Joachim Tapparel of https://github.com/tapparelj/gr-lora_sdr .
I came across the Meshtastic project only a few months back, when there was a great push on major radio based topic groups and discord. The allure of Meshtastic, in their words is "An open source, off-grid, decentralized, mesh network built to run on affordable,...
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Dr Vishal Gajjar (SETI Institute), Dr Simon Steel (SETI Institute)17/09/2024, 13:45
Almost 40% of students nationally take their introductory astronomy course at a community college. Generally resource challenged but serving a vital educational service to students from non-traditional and minority demographics, community college instructors are constantly looking to keep their courses relevant, exciting and cutting-edge. Radio astronomy has rarely featured significantly in...
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National Instruments17/09/2024, 14:15Sponsor Talk
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Zachary Hicks17/09/2024, 15:20
Software Defined Radios (SDRs) are ubiquitous in modern wireless communications, offering flexibility and reconfigurability across various protocols, such as IEEE 802.11 and 4G LTE. Industry-standard SDR platforms such as the Ettus USRP and Xilinx RFSoC provide considerable wireless capabilities by combining FPGA- and software-based digital signal processing (DSP). However, the high cost of...
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Neil Rogers (USAFA)17/09/2024, 15:35
Software Defined Radios (SDR) present a
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unique opportunity for undergraduate communications
courses, as they are low-cost and easily obtained. In addition,
the recent momentum of the GNU Radio project has
significantly lowered the barrier to entry for implementing
SDR applications. Some universities have integrated GNU Radio
into their undergraduate communications courses as
a motivator... -
Christopher Poore (AIS)17/09/2024, 16:05
New updates to FISSURE, the open-source RF framework centered around GNU Radio, include the addition of deployable remote sensor nodes consisting of general-purpose computers that interact with many types of radio peripherals. These remote sensor nodes run a small subset of code that can be controlled over a network through the FISSURE Dashboard GUI to perform traditional FISSURE operations...
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Shammi Doly (Arizona State University)17/09/2024, 16:35
We develop a highly flexible real-time FMCW radar system for designing and testing different radar waveforms (e.g., triangular, sawtooth, sinusoidal) and radar signal processing algorithms without the need for extensive hardware modifications and fetching MATLAB codes, using low-cost SDRs. We control the shape of the waveform in real-time using an adaptive filtering method to improve radar...
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18/09/2024, 09:00Keynote
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Dr James Humphries (GTRI)18/09/2024, 09:45Paper (with 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...
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Paul Comitz18/09/2024, 10:00Workshop
This session provides background that will be useful for those getting started or practicing software defined radio. The session will cover elements of physics, mathematics, and software. The basics of radio waves will be covered. The use of complex numbers and subsequently In-phase and Quadrature techniques for digital signal processing are introduced and briefly discussed. Recommendations...
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Mr Neel Pandeya (National Instruments)18/09/2024, 10:00Workshop
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,...
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Luigi Cruz (SETI Institute)18/09/2024, 10:15
The Allen Telescope Array is a radio interferometer array located in Northern California. Each of the 42 antennas is 6 meters in diameter and is distributed randomly over an area of 350 meters. Each dish is sensitive to an ultra-wideband frequency range from 200 MHz to 12 GHz. While in operation, each dish can produce 1.5 GHz of bandwidth for each polarization adding up to 1.3 Tbps of...
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Aaronia18/09/2024, 11:00Sponsor Talk
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Michael Petry18/09/2024, 11:30
The expansion of cellular networks, specifically 5G, beyond the limits of Earth into Non-Terrestrial Networks (NTNs) is one of the hottest topics in cellular communications today. By employing space- and air-borne base stations, the term “no service” could become obsolete, enabling critical services for maritime, aeronautical, and disaster-affected regions. Despite its potential, the practical...
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Michael Hennerich (Analog Devices GmbH)18/09/2024, 13:00Sponsor Talk
In this talk we will present new hardware developments for the software-defined radio (SDR) space from Analog Devices, Inc. (ADI), with a focus on modules and system-level synchronization solutions. We will introduce a new line of VPX modules from the ADI Aerospace and Defense group, designed around the AD9084 Apollo Direct-RF mixed signal front-end. VPX is a popular form factor in the SDR...
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Mr Daniel Boschen18/09/2024, 13:00
Workshop Participation: Preparation
If you want to follow along live with the Python demonstrations in the workshop, please see the attached "Installing Miniconda" instructions document for preparing your laptop ahead of the workshop. NOTE: This is not required and the presentation content will be of interest to anyone interested in control systems modelling for radio impementations...
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Luigi Cruz (SETI Institute)18/09/2024, 13:15
Another year, another update! This talk marks the third consecutive year of CyberEther development updates at the GNURadio Conference.
CyberEther is a multi-platform GPU-accelerated interface designed for compute-intensive pipelines. Engineered to provide cutting-edge visualization capabilities, it leverages powerful graphics and compute backends including Vulkan, Metal, and WebGPU. The...
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Tetsuo YOSHIMITSU (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)18/09/2024, 13:45
Japan launched a lunar landing spacecraft ``SLIM” in 2023. The spacecraft landed on Moon surface on January 19th 2024, with an accuracy of around 50 meters. The attitude of the landed spacecraft was not perfect, but it survived for several months after landed, when the solar cells of the spacecraft was Sun-shined.
The authors installed a small rover for SLIM spacecraft. The rover named...
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Frank Howley (SETI Institute)18/09/2024, 14:30
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Dr Michael Wise (ORNL), Dr Seth Hitefield (ORNL)18/09/2024, 15:20
Distributed Analysis of Wireless at Nextscale (DAWN) is a novel simulation framework for large-scale designspace exploration (DSE) of unmodified software defined radio (SDR) applications interacting in a scalable, high-fidelity, virtual physics environment. The software-defined nature of the coupled software-based physics simulation leverages hardware emulation to permit in-depth examination...
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Frank Howley, Josh Morman18/09/2024, 15:25Breakout Session
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Liam McCarthy (Cal Poly SLO)18/09/2024, 15:50
A graduate level course and summer research program covering Software Defined Radio topics is offered by the California Polytechnic State University Electrical Engineering Department. This presentation will outline the laboratory portion of the course that was developed and is available to the open-source community. The GNU Radio laboratory curriculum used the recently introduced Lime Mini...
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Michael Hennerich (Analog Devices GmbH)18/09/2024, 16:20
Abstract: The journey of a developer in the realm of software-defined radio (SDR) often commences with the utilization of commercial off-the-shelf (COTS) SDR modules. These modules are pivotal for initial proof of concept and the development of algorithms, where the decision to make or buy is a straightforward one. However, for some, this journey extends beyond the preliminary phase,...
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19/09/2024, 09:00Keynote
Philip Erickson is director of MIT's Haystack Observatory and a Principal Research Scientist at MIT. MIT Haystack is a multi-disciplinary radio and radar observatory, conducting fundamental research for a variety of sponsors in the fields of radio astronomy, geospace/near-Earth space, very long baseline interferometry, and geodesy. Techniques pioneered at Haystack include active and passive...
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Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)19/09/2024, 10:00Project Talk
The current state of GNU Radio 4.0 development will be presented including outlining the benefits and necessity of building on a lean, clean, modern core, and its usage at the international accelerator facility FAIR.
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Marc Lichtman19/09/2024, 11:00
In this talk we provide a brief overview of SigMF, why it exists, how it works at a basic level, and what has been going on within the project.
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Samuel Miller19/09/2024, 11:15
IEEE 802.11ah, also known as “Wi-Fi HaLow”, provides a Wi-Fi implementation in sub-1GHz frequency ranges. Due to its lower operating frequency than traditional Wi-Fi, Wi-Fi HaLow trades diminished data rates for longer transmission distances. This balance is favorable to internet-of-things (IoT) and other long-range applications. Despite these benefits, commercial implementations of HaLow are...
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Neil Rogers (USAFA)19/09/2024, 13:00
An increasing number of educational institutions
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make use of SDRs as a low-cost means of demonstrating
a wide range of communication system applications.
However, due to the interrelationship between various
hardware and software configurations, this approach introduces
significant logistical and pedagogical complexities.
As with any open source project, getting started with
GNU Radio... -
Dr Ralph J. Steinhagen (GSI Helmholtzzentrum für Schwerionenforschung GmbH)19/09/2024, 13:00Breakout Session
More detailed session exploring the current state and future of GR 4.0. This will be an informal session where attendees can ask the panel questions about where GR 4.0 is headed and how it will impact future SDR projects.
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Dr Christoph Maier (NYU Grossman School of Medicine)19/09/2024, 13:00Talk
Introduction
Magnetic resonance imaging (MRI) is a key technique in radiology. Its offers excellent soft-tissue contrast and rich insight into the structure and function of the human body, making it an indispensable tool in modern medicine for the diagnosis of many diseases and for treatment monitoring.
The signal amplitude of the underlying nuclear magnetic resonance phenomenon is...
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Chris Stringer (nou Systems, Inc.)19/09/2024, 13:15
The GNU Radio project and its graphical editor, GNU Radio Companion (GRC), have significantly lowered the barriers to entry into Software Defined Radio (SDR) applications in hobbyist, academic, commercial settings alike. Unit tests help build confidence in the proper functioning and robustness of projects using GNU Radio. However, the unit tests supported by GNU Radio must be developed in...
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Ruben Thill19/09/2024, 13:45
Abstract — This paper discusses an approach for increasing
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the resolution of an OFDM-based joint communication and sensing (JCAS) system, while keeping the used Spectrum constant. Against the background of the ever-increasing congestion of the spectrum, the fusion of discontinuous bands for radar sensing was recently discussed. In the context of communication-centric JCAS, the signal... -
Davide Cavion19/09/2024, 14:00
It took me 18 months to go from idea to shipping product (rfnm.io). I thought it would have ben fun to give a lightweight talk about everything I learned along the way, so I started making a list of the steps for fun in a document I haven't updated in a while.
This is not a technical talk, it's probably split evenly between technical, business/process and jokes, but I thought I could...
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Marc Lichtman19/09/2024, 14:15Talk
Brief intro to IQEngine, including how it's built on top of SigMF and how you can run GNU Radio flowgraphs from it, and then I'll cover what has been done over the last year since GRCon23. This includes the ability to store your recordings on the server running IQEngine instead of the cloud (a highly requested feature), the new web interface, async plugin API, SatDump support, additional...
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19/09/2024, 15:00Breakout Session
Discuss tags and data types in GR 4.0. Team would like to understand how tags are presently used. What are the requirements and gaps in both GR 3 and GR 4
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Michael Petry, Mr Kevin Li (University of the Bundeswehr Munich)19/09/2024, 15:00
The "New Space" era has spurred rapid advancements in satellite systems, rekindling interest in technologies like LEO CubeSats, satellite mega-constellations, and satellite swarms. These technological advancements support various applications in SATCOM, such as broadband, Internet-of-Things (IoT), Positioning and Navigation (PNT), and the integration of terrestrial and non-terrestrial networks...
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Jason Bonior (Red Wire Technologies)19/09/2024, 15:20
This talk will cover the process of reverse engineering the packet format used by a wireless thermometer and the development of a receiver using GNU Radio. Temperature measurements will be passed from GNU Radio to a web server that will be used to visualize the data received.
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Dr Justin Metcalf (OU), Jon Kraft (Analog Devices), Shane Flandermeyer (The University of Oklahoma), Peter Voegeli (OU)19/09/2024, 15:35
The gr-plasma OOT module was developed by Shane Flandermeyer and the University of Oklahoma to implement radar signal processing functions in GNU Radio. GR-plasma integrates waveform generation, matched filtering, doppler processing, CFAR detection, and range-doppler plotting. However, accessing all these features has only been possible with UHD devices from Ettus research. In this session,...
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Jon Kraft (Analog Devices)19/09/2024, 16:05
The ADALM-PLUTO SDR has become a cornerstone in the toolkit of GNU Radio enthusiasts, In this presentation, we delve into it's latest feature's and enhancements.
Key Topics covered will include:-
New TDD engine to control the timing of transmit and receive! This allows for pulse compression radar and advanced communications setups.
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Tips and tricks for using the 2nd transmit and...
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Alon Levin (Columbia University), Manav Kohli (Columbia University)19/09/2024, 16:20
Full-duplex (FD) wireless communication, the simultaneous transmission and reception of wireless signals on the same frequency channel, has garnered significant attention from the research community over the past decade. Software-defined radio (SDR) has become instrumental in bridging the gap from theory to implementation, providing the flexibility necessary to design and deploy FD radio...
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Tyler McCormick19/09/2024, 16:35
When using GNU Radio in a development environment, ensuring that all of its dependencies are met and that there are no conflicts is often a non-trivial process, especially when updating to new versions. This process can become even more involved and complicated when out-of-tree (OOT) modules are incorporated. In addition, even if there are little to no issues on one machine, replicating this...
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20/09/2024, 09:00Keynote
Kristina Collins has joined the Space Science Institute (SSI) as a postdoctoral research fellow through the NSF Office of Polar Programs. Her research interests include distributed instrumentation, citizen science, and robotics for space systems. She is a ham radio operator (KD8OXT) and active in HamSCI. In her project at SSI, she is developing sonification and mixed reality tools to explore...
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John Moss20/09/2024, 09:45Talk
Particle acceleration provides a unique application of radiofrequency energy that
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presents a wide variety of engineering challenges. Materials must be able to withstand
high instantaneous and high average power levels, easily reaching multi-megawatt and
kilowatt levels respectively. This overview of the RF systems used in the front end,
linear accelerator, and accumulator ring of the... -
Dennis Joosens (University of Antwerp -imec)20/09/2024, 10:30
The Internet of Things market has emerged over the past decades and maintains to grow. Therefore, IoT devices have become omnipresent. Many of these devices use a wireless connection to send and receive data. Many of these wireless connections are based upon Low Power Wide Area Network protocols such as NB-IoT, LoRa or Sigfox. Due to the increasing amount of IoT devices, these LPWAN protocols...
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Mr Michael Alldritt20/09/2024, 11:00
Having used GNU radio for a number of years, it has many worthy applications. One such use has been propagating data using ultrasound in a variety of material such as air, water and steel. The modulation protocol used to date has been binary FSK (some ASK/PSK have also been used), however these protocols do not handle multipath well. For this application we would look to use OFDM, however OFDM...
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Matt Carrick, Phil Vallance20/09/2024, 11:30
The 15-minute talk and paper will consist of three main points: background and description of TorchSig, recent updates and improvements to the system, and future plans for the release of tools to augment training methods using real world data. The goal is to demonstrate a Torchsig ML inference model running within GNU Radio and to also present new machine-learning (ML) tools to the GNU Radio...
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20/09/2024, 13:00Breakout Session
Want to get involved with planning the next GRCon?
Have ideas for our next location?
Want to share feedback about this year's event to make the next one even better?Come join for a discussion and short planning session to get started planning for next year's event.
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20/09/2024, 14:00
Capture the Flag players will demonstrate how they decoded mystery signals. All are welcome.
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Prof. Peter Driessen VE7AB (University of Victoria Propagation Laboratory)Paper (no talk)
A 29 MHz frequency modulated continuous wave (FMCW) bi-static radar system that illuminates the ionosphere from a CubeSat in low earth orbit (LEO) has been developed. The radar transmitter uses a Linear Frequency Modulation (LFM) format that matches that of the Coastal Observation Radar (CODAR) system. The frequency of 29 MHz is chosen because radio propagation at that frequency is affected by...
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Breakout Session
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Dr Marc Lichtman
PySDR is a free online textbook that provides an introduction to the areas of RF DSP, SDR, and wireless communications, using many diagrams, animations, and Python code examples. PySDR is not a Python library; all code examples use straightforward Python/numpy/scipy/matplotlib. Recent additions to PySDR include chapters on beamforming/array processing, as well as cyclostationary signal...
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