GRCon 2020
who it's for
GNU Radio developers, software defined radio engineers, FPGA engineers, signal processing researchers, embedded systems engineers, telescope and radio-astronomy engineers, ham radio educators
topics
GNU Radio analog video decoding; delay-and-sum beamformer visualization; OpenCPI heterogeneous runtime; community CI for GNU Radio; UHD 4.0 and RFNoC improvements; OpenACC GPU acceleration for GNU Radio; FPGA partial reconfiguration for SDR; ONNX deep learning inference in GNU Radio; OFDM synthetic aperture radar mapping; real-time GNSS spoofing techniques; Zigbee security analysis with GNU Radio; ADS-B emulation and scoring infrastructure
| title | author | length |
|---|---|---|
| SDR Analog Video Decoding Adventures | Oona Räisänen | 26m |
Builds a working remote HDMI viewer and a PAL decoder for NES using an Airspy R2 at 10 MSPS, showing HDMI emanations map to predictable amplitude codewords and… | ||
| Seeing Signals: Real-time Visualization of a Delay-and-Sum Beamformer | Richard Stanley | 08m |
A small phased array implements a delay-and-sum beamformer in GNU Radio and renders 2D raster plots that map magnitude and direction-of-arrival for every… | ||
| Introducing OpenCPI as an Infrastructure for GNU Radio and GNU Radio Companion | Jim Kulp | 25m |
OpenCPI provides a runtime and development framework that lets GNU Radio blocks be delivered as components with multiple workers (C++, VHDL, vendor-optimized… | ||
| Community Continuous Integration (CI) for GNU Radio and OpenCPI | Arlan Pool, Willie L. Thompson II | 21m |
A community CI lab provides a stable, lights‑out test center plus a prototype workshop with 20+ Plutos and E310 boards, using OpenCPI heterogeneous unit tests… | ||
| Radio Resilience Competition | Matt Knight, Marc Newlin, Sid Sijbrandij | 24m |
A cloud-hosted GNU Radio simulator runs the competition as docker-based microservices where competitor images exchange IQ over ZeroMQ through a channel… | ||
| Are We Alone? How GNU Radio Can Help Us Find ET | Steve Croft, Alexander Pollak | 28m |
Breakthrough Listen already publishes 2 PB public spectrograms spanning 1–12 GHz with channel widths down to 3 Hz and runs on the Green Bank Telescope with 20%… | ||
| Sponsor Talk – Haydn Nelson | Haydn Nelson | 32m |
UHD 4.0 lands with a reworked RFNoC and host stack: configurable RFNoC port widths (up to 512 bits) and RFNoC configurable ports let per‑channel bandwidth… | ||
| Enabling Performance Portability of GNU Radio on Heterogeneous Systems | Seth Hitefield, Jeffrey Vetter, Seyong Lee | 27m |
Oak Ridge team shows a pipeline: annotate GNU Radio blocks with OpenACC, compile them with OpenARC source-to-source compiler into CUDA/OpenCL/OpenMP variants… | ||
| Architecture Update | Marcus Mueller, Bastian Bloessl, Josh Morman | 57m |
Status update on GNU Radio software: master will become 3.9, with 659 commits since 3.8, 88 contributors (50 new), and compatibility maintained with Generator3… | ||
| Keeping Ham Radio Alive and Well: ARRL’s Education Initiatives | Becky Schoenfeld | 24m |
ARRL conducts a statistically valid survey of recent licensees, finds newcomers lack mentors and often let licenses lapse after a year, and mails a 32‑page… | ||
| Sponsor Talk – Brian Kanhofer | Brian Kanhofer | 05m |
Mockingbird RF emulator generates repeatable, multi-waveform RF scenes by importing GNU Radio–generated baseband IQ via SigMF imports and replaying traffic… | ||
| GNU Radio-Enabled Capabilities at the Allen Telescope Array | Ellie White, Steve Croft, Alexander Pollack, Derek Kozel | 07m |
The team installs two USRPs N320 and N321 at the 42-antenna Allen Telescope Array and implements a GNU Radio interface: a gr-ata module with a control block… | ||
| ESA OPS-SAT Mission: Powered by GNU Radio | Tom Mladenov, Benjamin Fischer, David Evans | 31m |
ESA’s OPS‑SAT is a 3U open innovation cubesat with a Lime LMS6002 SDR, Altera Cyclone V SoCs and a Nanomind OBC; a GNU Radio reference implementation… | ||
| Sponsor Talk – Dan Roberts | Dan Roberts | 32m |
OpenCPI is an open-source heterogeneous runtime and CI/CD pipeline that claims to “design once deploy everywhere,” hosting public and private GitLab repos with… | ||
| Designing a Narrowband Radar using GNU Radio and Software Defined Radio for Tomography.... | Victor Cai | 20m |
Implements a narrowband radar using MFCW on GNU Radio with low-cost SDR hardware (two units, antennas built from coffee cans and Wi‑Fi elements) transmitting… | ||
| What's Your Angle? Practical Considerations When Developing Phase Coherent RF... | Bobby Smith | 26m |
Describes building phase coherent 4x4 MIMO with a Sidekiq X4 using ADRV9009 phase synchronization, calibrating per-frequency with broadband noise and… | ||
| Removing SWIG from GNU Radio | Josh Morman, Martin Braun | 28m |
GNU Radio removes SWIG in 3.9 and replaces it with pybind11 2.4.3 or later, cutting incremental compile time and eliminating SWIG-generated build churn by… | ||
| GNU Radio in a Direct-RF World | Travis Collins | 27m |
Describes using quad‑channel converters like the 9081 that deliver 4 GS/s ADC and 12 GS/s DAC data over JESD204b links into FPGA carriers (ZCU102/VCU118) and… | ||
| Organizational Update - The Future of GNU Radio Project | Martin Braun | 22m |
Project adopts a written Articles of Association and publishes decisions on GitHub; initial governance bootstraps the current officers into a General Assembly… | ||
| The High Striker, or "how strong is my SDR signal?" | Martin Braun | 28m |
Explains how to map digital sample levels to absolute analog power by calibrating 0 dBFS to a measured dBm using GNU Radio/UHD and USRP hardware, with an… | ||
| Exploring RFNoC with the UHD Python API | Aaron Rosetto | 26m |
Demonstrates using the UHD 4.0 Python API to load a custom RFNoC image on a USRP N310 over SFP+ and build, configure and commit RFNoC graphs at runtime. Shows… | ||
| Time Delay Spectrometry Ultrasound with GNU Radio Capturing and Teaching the Principles | Paul Otto | 28m |
GNU Radio Companion plus Jupyter implements time delay spectrometry with real demos: chirps synthesized and mixed to yield a constant beat tone that maps to… | ||
| Ultra-cheap SDR Digital Television Transmission: ISDB-T with an osmo-fl2k and an RTL-SDR | Federico Larroca, Pablo Flores Guridi, David Artenstein, Lucas Inglés, Gastón Morales | 31m |
An open-source GNU Radio ISDB-T transmitter is implemented, tested over-the-air with USRP B200 and an osmo-fl2k (USB3-to-VGA, ~$15) as the RF source, feeding… | ||
| Deep learning inference in GNU Radio with ONNX | Oscar Rodriguez, Alberto Dassatti | 23m |
gr-dnn is an open-source GNU Radio OOT block that runs ONNX models via ONNX Runtime (Python API) inside flowgraphs, requires GNU Radio 3.8+, and ships Docker… | ||
| Software defined radio based Synthetic Aperture noise and OFDM (WiFi) RADAR mapping | Jean-Michel Friedt, Weike Feng | 29m |
A reproducible SDR radar is built using PlutoSDR + B210 with transmitted pseudo‑random phase noise and a Wi‑Fi dongle for OFDM; frequency stepping (stacking)… | ||
| FPGA Partial Reconfiguration in Software Defined Radio Devices | Convers Anthony | 24m |
Demonstrates a working partial reconfiguration flow on a Xilinx-based SDR using RFNoC blocks and Vivado to define a reconfigurable region, generated static and… | ||
| RadEOT: The Radio Educational Outreach Tool | Jamie Williams, Felicity Easton, Jordan Penney, Jon Lapington | 15m |
RadEOT is a handheld, open-source education device built from a Raspberry Pi, a DVB-T820 T2 RTL‑SDR dongle (£10), a 7" touchscreen and a 3D‑printed PLA case… | ||
| Sponsor Talk – Tamara Moskaliuk | Tamara Moskaliuk | 05m |
Per Vices sells SDR appliances that replace “hundreds to thousands” of discrete parts with a single-vendor board, claiming saves 10× in hardware costs, 70%… | ||
| Software defined radio based Global Navigation Satellite System real time spoofing.... | Jean-Michel Friedt, D. Rabus, G. Goavec-Merou | 30m |
Demonstrates a working GNSS spoofing detector and cleaner built with Ettus Research B210 dual-input front end, a Pluto SDR spoofer clocked by a CXO, and… | ||
| Homebrew Long-Baseline Interferometry (LBI) For Education and Research | Stephen Wang | 19m |
Claims a working long‑baseline interferometry prototype with a <$200 bill of materials, built from a dipole antenna, GPS antenna, Realtek RTL‑SDR receivers and… | ||
| Security Analysis of Zigbee Networks with Zigator and GNU Radio | Dimitrios-Georgios Akestoridis, Madhumitha Harishankar, Michael Weber, Patrick Tague | 25m |
Zigator uses GNU Radio with gr-ieee802-15-4 and gr-foo to capture IQ traces, parse and decrypt Zigbee with Python libs, and drive novel selective jamming and… | ||
| Data Streaming from SDR to Servers for Cognitive Radar and EW | Abhay Samant, David Asplund | 31m |
Shows how to stream multi‑GHz SDR data into GPU servers with concrete numbers and hardware choices: 2 GHz bandwidth at 2.5 GS/s 16‑bit ADC yields ~80 Gbps per… | ||
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