GNU Radio Conference 2021
2021-09-20..2021-09-24
-- online --
as the organisers put it
GNU Radio Conference (GRCon) is the annual conference for the GNU Radio project and community, and has established itself as one of the premier industry events for Software Radio. It is a week-long conference that includes high-quality technical content and valuable networking opportunities. GRCon is a venue that highlights design, implementation, and theory that has been practically applied in a useful way. GRCon attendees come from a large variety of backgrounds, including industry,...
who it's for
gnu radio maintainers and contributors, software defined radio developers, rf system engineers, fpga and embedded engineers, signal processing researchers, platform and integration engineers, security and reverse engineering researchers
topics
radioconda conda installations; libiio and gr-iio integration; rfknockout RFNoC block development; UHD and RFNoC blocks; OFDM radar and DOA on DirectRF; SIGMF upstreaming into core; gr-pdu upstreaming of PDUs; electromagnetic TEMPEST emissions spying; reverse engineering FHSS smart meters; real-time turboSETI streaming pipelines; automated GNU Radio build testing
| title | author | length |
|---|---|---|
| Keynote: Joe Gibbs Racing Team | Mark Bringle | 41m |
Joe Gibbs Racing runs a 400,000 ft² manufacturing and competition campus with ~600 employees and 77 engineers building roughly 2,000 manufactured parts for 39… | ||
| Organization Update | Derek Kozel | 43m |
Project governance moves from a single maintainer model to an unincorporated association with a representative general assembly and a three‑member board that… | ||
| Managing GNU Radio Installations with Conda | Ryan Volz | 29m |
Installs GNU Radio across Linux macOS and Windows using a ready-made Radioconda environment from GitHub, showing exact conda/mamba commands to create… | ||
| GNU Radio hits the Bullseye | Maitland Bottom | 22m |
Debian 11 Bullseye ships a packaged GNU Radio ecosystem centered on GNU Radio 3.8.2 with 53 upstream cherry‑picks and system libraries like VOLK 2.4, UHD 3.15… | ||
| Lightning Talk: BlackLynx | David Sorber | 06m |
BlackLynx is a Washington DC–area engineering firm founded in 2018 with about 126 employees and offices in Rockville and Chantilly. Work includes… | ||
| Capture the Signal: Running Interactive RF CTFs, Remotely | Federico Maggi, Marco Balduzzi | 08m |
CTS is a challenge platform for blind signal analysis that originated in 2018 and now streams real RF over IP using an automated framework that handles… | ||
| Lightning Talk - Peraton Labs: Secure Sense | Andrew Portune | 05m |
Peraton Labs describes SecureSense as a deployable spectrum situational awareness system built from low-cost ruggedized sensors paired with a back-end server… | ||
| Lightning Talk: GNU Radio and SETI - A Growing Collaboration | Steve Croft | 07m |
Collaboration deploys GNU Radio pipelines and hardware at observatories, ingesting real telescope streams and running on-site processing at the 100 meter Green… | ||
| A Newbie's Guide to the GNU Radio Universe | Barry Duggan | 07m |
A guided wiki roadmap lists tutorials from beginner to developer, example flowgraphs in the GitHub repo, and searchable block docs covering 471 blocks with… | ||
| A GNU Radio SETI Pipeline for the Allen Telescope Array | Michele Yiwei Chai, Wael Farah, Luigi Cruz, Richard Elkins | 07m |
A GNU Radio pipeline that streams Allen Telescope Array data from a USRP source, channelises with a polyphase filterbank plus FFT and keeps… | ||
| Reverse Engineering Smart Meters | Hash Salehi | 29m |
Reverse engineers a deployed AMI that uses 902–928 MHz FSK with frequency hopping across 240 channels at ~100 kHz spacing and ~9,600 baud, captures packets… | ||
| View-Only Mode in GRC | Oscar Ekholm | 14m |
GRC gains a View-Only mode that opens untrusted flowgraphs without executing parameter expressions, using saved evaluated values instead of running code and… | ||
| Radio Resilience Competition at GRCon! | Matt Knight, Marc Newlin, Sid Sijbrandij | 21m |
Virtual CTF that runs a fully open source, GNU Radio-based simulator inside Docker Compose and EC2, where teams upload a containerized blue radio image to be… | ||
| Lightning Talk - Microsoft: Azure ♥ GNU Radio | Steve Schilinski | 05m |
Announces an Azure Marketplace VM image preinstalled with GNU Radio and Phosphor, optional GPU-enabled SKUs, Azure CLI and remote access tools; links to an… | ||
| LibIIO and gr-iio | Paul Cercueil | 27m |
gr-iio is now merged into mainline GNU Radio and provides libIIO-backed blocks plus ADI-specialized blocks for devices like the ADALM-PLUTO. It shows concrete… | ||
| Introduction to MIMO and Simple Ways To Use It in GNU Radio | Matt Ettus | 57m |
Many GNU Radio users never use extra SMA ports; the slides show practical flowgraphs that change K‑factor, Doppler and tap delays with the built‑in fading… | ||
| Lightning Talk - The GNU Radio UX group (and what we can do for you) | Bernard Tyers | 09m |
A new GNU Radio UX group organizes 30–40 participants for research, adds issue and feature-request templates to the main gnuradio repo, and runs an iconography… | ||
| Keynote: Open Source FPGA Tooling | Matt Venn, Claire Wolf, Slyvain "tnt" Munaut | 40m |
Overview of concrete tooling, results and limits: Yosys synthesis plus nextpnr place-and-route drives an fpga flow targeting Lattice ICE40 and ECP5; a PicoRV32… | ||
| Project Talk: Maintenance Update | Jeff Long, Josh Morman | 47m |
Maintainers report an active strategy: a quarterly cadence of releases, tracking master while selectively backport to 3.9 and 3.8, keeping PR backlog around… | ||
| The State of GNU Radio Accelerator Device Support | David Sorber | 31m |
Adds a generic custom buffer interface so GNU Radio can eliminate the double copy by managing device DMA buffers directly, plus a post-work function that… | ||
| NI: New Capabilities for Comms, Radar, & EW with an SDR-based Research Platform | Haydn Nelson, Abhay Samant | 31m |
NI and Ettus present a high‑performance SDR stack centered on the USRP X410 (Xilinx UltraScale+ RFSoC, 4×4 RF, PCIe Gen3 x8, dual QSFP28, 1 PPS/10 MHz) and a… | ||
| Lightning Talk - Rampart Communications: Next Generation Wireless Security | Keith Palmisano | 05m |
A startup builds a software-defined radio system that implements phi-layer encryption which stops an eavesdropper from continuing to decode a looping QPSK… | ||
| ARDC: Overview and Applying for Grants | John Hays | 14m |
Amateur Radio Digital Communications explains grant funding: ARDC gives over $5M so far, sells IPv4 to endow grants, and moves funds quickly — $1.6M to MIT in… | ||
| PMTs with flatbuffers and modern C++ | John Sallay, Josh Morman | 26m |
Rewrites PMT APIs around flatbuffers and modern C++ into a standalone project that exposes STL-like API types: scalar, uniform vector, and string-keyed map… | ||
| gr-genalyzer, a new OOT module to characterize data converter performance | Srikanth Pagadarai | 33m |
gr-genalyzer is a GNU Radio OOT module that binds to the generalizer C++ library and uses FFTW and IIO device sources to compute IEEE‑standard ADC/DAC metrics… | ||
| Lightning Talk - Open hardware and software 400 MSPS USB Digitizer with COTS | José M Jáuregui, Ue-Li Pen, Edgar Castillo | 04m |
A low-cost digitizer implements 8-bit 400 MSPS conversion over USB 3.0 using cheap commercial evaluation boards, with external sampling & sync clocks to suit… | ||
| Epiq Solutions: Detecting 5G Cells | Aaron Madsen | 24m |
Step-by-step recipe to find a 5G cell: tune to the band (FR1/FR2), capture 3.84 MS/s capture for a 256‑pt FFT when using 15 kHz spacing, correlate against the… | ||
| Channel Leakage Cancellation for Software Defined Radio (SDR) Narrowband Radar ... | Victor Cai, Jon Kraft | 20m |
A two‑SDR MFCW radar using GNU Radio simulates and cancels transmit→receive leakage with an open‑air calibration that injects a negative image of the leakage… | ||
| Adventures in RFNoC: Lessons Learned From Developing a Real-Time Spectrum Sensing Block | Rylee Mattingly, Justin Metcalf | 28m |
Implementation details for an RFNoC FSS block on an Ettus X310: the block uses AXI-Stream Payload Context and Cheddar packets, provides two architectures… | ||
| Mixed Reality Visualization in Automotive SDR Networks | Meghan Clark | 05m |
A mixed-reality system is built and deployed that connects XRShark (Unity3D) to the open-source ERA workload via an ao2.11p transceiver and MQTT, ingesting… | ||
| A New Experimental Setup for Collecting nRF2.4 and LoRa Devices Signatures for .... | Zheng Zeng, William Hemminger, Abdallah S Abdallah | 11m |
An SDR-based testbed collects IQ samples from nRF24L01+ and Heltec WIFI LoRa 32 (V2) modules using a USRP B200 driven by GNU Radio Companion on an Ubuntu 18.04… | ||
| Multi-Receiver Real-time Physical Intrusion Detection “Burglar Alarm” with GNU Radio ... | Daren Swasey, Todd K. Moon, Mirelle Despain | 20m |
Real-time intrusion detection built with GNU Radio and Ettus USRP N310 uses PLL and AGC internals (AGC moved before baseband) to detect motion from QPSK test… | ||
| Interior Target Tracking Using Digital Communications Signals for Bistatic Radar .... | Todd K. Moon, Thomas Bradshaw, Mirelle Despain, Jacob H. Gunther | 18m |
Prototype implements bistatic radar using digital comms (QPSK) with Gnu Radio for RF I/O and MATLAB for Doppler extraction and tracking, using 5 receivers and… | ||
| RRC Daily Leaderboard | Matt Knight, Marc Newlin | 01m |
Daily update lists current leaderboard and concrete numbers: team david b radio leads with 1,068 points, toxic vapor follows at 950, JLS at 591 and T in Tech… | ||
| Keynote: Future Interference Management, Future Spectrum Monitoring | John Chapin | 42m |
Argues that current frequency licensing is breaking and proposes a concrete path: build a national scale, real time spectrum monitoring infrastructure that… | ||
| SigMF v1.0.0 Update | Ben Hilburn, Jacob Gilbert, Kyle Logue | 23m |
SigMF reaches v1.0.0 with backwards compatibility preserved and semantic versioning enforced; the spec adds a collections file to describe multi‑recording… | ||
| Lightning Talk - Deepwave Digital: Artificial Intelligence Radio Transceiver with ... | Jeff Zurita | 08m |
A compact software‑defined radio with an on‑board NVIDIA Jetson SoM, FPGA and Analog Devices RF chip processes about 125 MS/s per I/Q yielding ~100 MHz usable… | ||
| Modular transmit / receive station control | Barry Duggan | 16m |
A modular station control package provides GNU Radio flowgraphs that put USRP B200mini source/sink and transmit/receive logic in one process, with three git… | ||
| Deep space reception by AMSAT-DL | Daniel Estévez, Peter Gulzow, Thilo Elsner, Mario Lorenz, Karl Meinzer, James Miller, Achim Vollhardt | 26m |
AMSAT-DL uses a 20 m Bochum dish and GNU Radio to decode Tianwen‑1 telemetry at ranges beyond 393 million kilometers, collecting about 6 GB of decoded frames… | ||
| GNU Radio at the Allen Telescope Array | Michael Piscopo | 36m |
Community-developed gr-ata modules ingest SNAP board UDP streams (4-bit packed, 256-sample packets) and feed an X-engine in OpenCL running on high-end GPUs… | ||
| Lightning Talk - Epiq Solutions: Breaking through the 6 GHz Barrier | John Orlando | 09m |
Most SDR front ends top out at 6 GHz but Epiq shows a bolt‑on RF down/up‑converter card that converts above‑6‑GHz bands into legacy SDR IFs, enabling reuse of… | ||
| Rampart Communications: Cryptographic Modulation: Zero-Attack-Surface Wireless | Keith Palmisano | 29m |
Claims a cryptographic modulation that maps any constellation to Gaussian noise in order-n time, preserving bandwidth, duration and transmit power so… | ||
| gr-pdu: Upstreaming PDU Blocks | Jacob Gilbert | 13m |
GNU Radio 3.10 adds gr-pdu with concrete PDU processing blocks, type checks, standardized metadata keys and a pdu lambda block that runs arbitrary functions on… | ||
| Embedded Computer Solutions for SDRs running GNU Radio | Jeffrey Moore | 27m |
Embedded systems for GNU Radio favor modular CPU modules over raw SoCs for reliability and supply-life; designs target Intel/AMD x86 for DSP-heavy SDR work and… | ||
| Defensive 5G | Eric Mair | 22m |
A 4.5G/5G test network runs on COTS radios (Ettus V200, B200, Lime) and commodity servers using Open5gs and srsRAN, orchestrated in Docker with Faucet and… | ||
| Lightning Talk - Ground Stations digital transformation | Hrishi Shelar | 04m |
Azure Orbital replaces hardware modems with digitizers that stream RF into the cloud, handling S and X band up to 500 MHz streaming and delivering VITA 49… | ||
| Lightning Talk - Cooking from Scratch:Designing and Building a Microwave SDR | Tom Wallace, Jeff Buente | 06m |
Builds a 5 to 20 gigahertz, 160 mega-sample-per-second SDR from scratch using a jezzy 204b digital interface and 10-gigabit Ethernet; analog board includes… | ||
| A new Linux kernel subsystem for JESD204 RF Transceiver Systems | Michael Hennerich | 34m |
A Linux kernel subsystem implements a finite state machine to coordinate up to dozens of JESD204 devices across clock trees and FPGA transceivers… | ||
| Automated testing of GNU Radio builds | Philip Balister | 10m |
Uses Buildbot + OpenEmbedded to assemble full GNU Radio images, package QA scripts into deployable test bundles, and boot them under emulated 32/64-bit ARM and… | ||
| Demonstration of GNU Radio High Data Rate BPSK 10 Mbps Modem Real-Time with ... | David S. Miller | 05m |
Claims a working 10 Mbps BPSK real-time GNU Radio modem on an 8‑core PC using no FPGA or GPU, tested over an RF loopback with a LimeSDR‑mini and GNU Radio… | ||
| Meet the Family: RFNoC Blocks in UHD | Aaron Rossetto | 24m |
UHD 4.0 revamps RFNoC so the USRP FPGA can run many ready-made DSP blocks: add/sub, log‑power, moving‑average, FIR/IIR/window, DDC/DUC, FFT, a replay block… | ||
| WISCANet - Easy Radio Networks with GNURadio(and friends) | Jacob Holtom | 14m |
WISCANet configures and runs multi-node SDR experiments from GNURadio, Python, or MATLAB with minimal setup, using GPS time sync (moving toward alternatives)… | ||
| RRC Daily Leaderboard | Matt Knight, Marc Newlin | 01m |
Daily update reports a leaderboard shakeup: team jls leads with 2986 points, followed by team wolf at 1876 and a previous leader holding 931 points. The… | ||
| Keynote: The Square Kilometre Array | Anna Scaife | 39m |
The Square Kilometre Array builds two separate telescopes: a mid‑frequency dish array sited in South Africa and a low‑frequency dipole array in Western… | ||
| Lllama and the Lake Monster: SDR in Neutral Atom Quantum Computing | Robin Coxe | 36m |
Neutral-atom system uses lasers, magnets and cameras to trap strontium qubits with coherence on the order of tens of seconds; about 50% of sites load randomly… | ||
| Lightning Talk - Rampart Is It's Employees | Lauren Johnson | 05m |
Rampart describes itself as a baby with a mustache: five years of refined technology, founders with 25+ years of combined information‑security experience… | ||
| Passive bistatic RADAR using spaceborne Sentinel1 non-cooperative source... | Jean-Michel Friedt, Weike Feng | 30m |
Demonstrates passive bistatic RADAR using Sentinel‑1 as a non‑cooperative C‑band source with B210 and Raspberry Pi4 capturing dual‑channel IQ at 30 MS/s (or… | ||
| RF Convergence with GNURadio | Yukang Fu, Jacob Holtom, Alex R. Chiriyath, Dan W. Bliss | 14m |
A GNURadio implementation demonstrates joint radar–communications by running a temporal mitigation block on over‑the‑air signals captured with GNU Radio and… | ||
| Analog Devices: Implementing OFDM Radar & DOA on DirectRF Platforms using IIO and GNURadio | Robin Getz, David Winter | 29m |
Implementation ports OFDM radar and DOA to an 8981 DirectRF platform using IIO and GNU Radio, reducing a raw 32 Gbit/s four‑channel stream to manageable 250… | ||
| NI: Meet the USRP Makers | Martin Braun | 24m |
Choose this if you care about concrete hardware and software progress: the X410 uses a super-het IF architecture (higher-rate ADCs, IF filter banks) to deliver… | ||
| An Open Channel Identifier using GNU Radio | Ashley Beard, Steven Sharp | 24m |
Claim: a five-layer feed-forward neural network implemented with GNU Radio 3.8 flowgraphs and SGD distinguishes open vs occupied Wi‑Fi channels more accurately… | ||
| The Role of GPUs in Modern SDR | John Ferguson, Adam Thompson | 32m |
Argues that the best SDR architecture pairs a small FPGA for I/O with a larger GPU for DSP and ML, demonstrates an end-to-end FM→demod→ASR pipeline running on… | ||
| gr-tempest: Spying Video Interfaces Through Electromagnetic Emanations | Federico Larroca | 25m |
Implementation of electromagnetic TEMPEST for video using a GNU Radio flowgraph claims to reconstruct real VGA and HDMI screens from RF captures; it… | ||
| Azure Orbital, RF Simulation, and Spectrum Processing on Azure | Hrishi Shelar, Craig Pomeroy | 27m |
Cloud-hosted SDRunits run in RF|Sim to emulate full-mesh RF channels (demo uses ~100×10 time-varying channel files ≈1,000 links) with propagation loss… | ||
| pyadi-jif: JESD204 tools for mere mortals | Travis Collins | 29m |
Open-source configuration library pyadi-jiff models clock chips, converters and FPGA constraints, solves mixed-integer PLL/divider equations with CPLEX or… | ||
| RRC Daily Leaderboard | Matt Knight, Marc Newlin | 02m |
Reveals final standings and concrete test setup for the Radio Resilience Competition including prize winners and scores, with a virtual RF testbed called… | ||
| GRCon Main Track Closing | Derek Kozel, Josh Morman, Samantha Palazzolo | 23m |
Wrap-up announces a hybrid CTF called Capture the Signal run via cts.ninja with 33 teams solving at least one challenge, the top team solving 13 of 14, 156… | ||
| nothing matches | ||