GRCon 2019
who it's for
GNU Radio developers, software defined radio engineers, rf systems engineers, satellite communications engineers, signal processing researchers, embedded systems engineers, systems integrators
topics
GNU Radio internals and roadmap; UHD and USRP updates; heterogeneous SoC performance portability; high-rate heterogeneous receivers; GPUDirect PCIe SDR streaming; DPDK high-throughput streaming; local oscillator synchronization; baseband synchronization techniques; spectral estimation with gr-specest; SigMF metadata for recordings; precise timing control in SDRs (White Rabbit); multichannel coherent MIMO and beamforming SAR
| title | author | length |
|---|---|---|
| Huntsville's Connection to Space | Mike Ward | 19m |
Huntsville actually builds and tests launch hardware: the SLS core stage is assembled and core stage testing begins next year, SLS matches Saturn V scale and… | ||
| GNU Radio Project Update | Ben Hilburn | 45m |
GNU Radio releases 3.8 release as the Python 3 migration with over 200 contributors and warns out‑of‑tree modules need porting; community metrics show roughly… | ||
| Concerning Radio Hardware and Studebaker Repair | Travis Goodspeed | 45m |
Builds a wearable radio clone of the TI Chronos using a CC430/MSP430, fits it into a comfortable case and proves it works: 3 years of battery life by running… | ||
| Mega Hertz, Mega Samples, Mega bits, Mega Confusing | Robin Getz | 29m |
Concrete claims and numbers cut through the buzz: examples use SSB FSK QPSK OFDM and show how interpolation/decimation turn a 30 MS/s vs 245 MS/s stream into a… | ||
| Man or Machine?: Developing a "Turing Test" for Radio Intelligence | Adam Anderson | 32m |
Builds a neural‑network PHY called deepmod and runs it on real hardware (GNU Radio with a B210), first over a speaker-microphone link then powerline and 900… | ||
| UHD Four-O | Martin Braun | 24m |
UHD Four-O announces concrete hardware and software details: Ettus Research shows the M320 USRP family (N320 and M320 variants) with 1 MHz–6 GHz coverage, 200… | ||
| Striving for SDR Performance Portability in the Era of Heterogeneous SoCs | Jeffrey Vetter | 32m |
Claims mapping GNU Radio to heterogeneous SoCs and achieving near-portable speed: GNU Radio mapped to NVIDIA AMD and ARM GPUs plus NVIDIA Xavier Qualcomm… | ||
| Fixing the E310 Bottleneck: Implementing a High-Rate Heterogeneous... | Edward Kreinar | 23m |
E310’s stock transport fails to sustain even a few Msps between FPGA and the ARM while libiio moves multichannel TX/RX at 61.44 Msps on Zynq; the fix replaces… | ||
| Optimizing Radio Settings for Algorithms | Robin Getz | 37m |
Claim: carefully setting samples, filters and AGC on ADALM-PLUTO (and similar B200/BladeRF devices) measurably increases ADS‑B packet recovery. Builds a… | ||
| GNU Radio Beyond 3.8 - A Technical Outlook | Marcus Muller | 36m |
Release 3.8 is out and master becomes the primary development branch while bug fixes get backported, with a cadence of roughly two releases a year. The roadmap… | ||
| GNU Radio Enhancements for Space-Based Research | Michael Piscopo | 29m |
New GNU Radio blocks implement concrete fixes: a smart recording with message control plus time-of-day and state timers that start/stop IQ capture; gpredict… | ||
| A decade of gr-specest -- Free Spectral Estimation! | Martin Braun | 28m |
gr-specest is a ten-year-old out-of-tree GNU Radio module that works with GNU Radio 3.8, providing concrete, reproducible estimators rather than theory… | ||
| Open Source Licensing | Ben Hilburn | 28m |
Covers concrete licensing outcomes: GNU Radio out-of-tree modules do not automatically become GPL until conveyed with GNU Radio, GPLv3 patent grant prevents… | ||
| Spectrum Monitoring Network: Tradeoffs, Results, and Future Directions | Peter Mathys | 37m |
Compares four analyzer tiers — Keysight PxA N9030B (> $100k), Keysight N6841A (> $10k), Ettus B210/B200 mini (~$1k), ADALM PLUTO (< $100) — and shows… | ||
| The Future of Digital RFICs | Robin Getz | 19m |
Radio astronomy example: 230 GHz signals get downconverted to 16 GHz, sampled at two bits, generating ~350 TB/day and ~5 PB total that travel by airplane. CMOS… | ||
| RF System Synchronization - LO's | Dan Baker | 30m |
Built a 128-channel massive MIMO rig from X310s that proves spatial multiplexing works, using ref‑clock sharing for LO alignment; ref‑clock sharing shows ~5.5°… | ||
| RF System Synchronization - Baseband | Daniel Jepson | 25m |
Compares concrete methods for baseband sync on USRP hardware: use a shared 10 MHz reference, distribute PPS for a common timekeeper, and prefer a… | ||
| AI and SDR: Software Meets Hardware Again... | Manuel Uhm | 33m |
Claims concrete wins: a real Versal ACAP family ships with heterogeneous AI engines + adaptable fabric + Arm scalars, a programmable network-on-chip and… | ||
| Building a radio with M2K and spare parts | Adrian Suciu | 24m |
The talk shows a working SDR built from an ADALM2000 plus off‑the‑shelf parts: an ADALM2000 (M2K) 12‑bit 100 MSPS ADC, 150 MSPS DAC, 2ch and 16 GPIOs drives an… | ||
| Monday Lightning Talks | megan zory | 17m |
Demonstrations show radio time tied to wall clock using a 1pps trigger that resets sample timestamps so the first sample equals zero and a GPS with ±15 ns… | ||
| Tuesdays Lightning Talks | 23m | |
A rapid set of demos contrasts specific hardware and working hacks: a family of MXFE 9866 12-bit 80 MSPS mixed‑signal front ends inside Hermes, a pre‑release… | ||
| How we talked from the Moon: the Apollo communication system | Robert Suggs | 54m |
Apollo packs voice telemetry television and ranging into a single unified S‑band link using a phase‑modulated carrier, pseudo‑random ranging code and Quindar… | ||
| gr-satellites: a collection of decoders for Amateur satellites | Daniel Estévez | 31m |
An open source GNU Radio out‑of‑tree module that aims to decode nearly 40 satellites actually provides concrete decoders for AX.25, the GOMspace NanoCom U482C… | ||
| gr-iio: Nuances, Advanced Features, and New Stuff | Travis Collis | 32m |
gr-iio is an out‑of‑tree GNU Radio module that uses libiio and iod to stream and control any device with an IIO kernel driver, including ADALM-PLUTO and… | ||
| Open Sourcing the Search for Extraterrestrial Intelligence | Steve Croft | 26m |
Breakthrough Listen publishes 1 PB public archive of telescope spectrograms and some IQ/raw files, runs 12 GHz front-end capture with about 8 PB on-site… | ||
| Multi-Vehicle Map Fusion Using GNU Radio | Augusto Vega | 25m |
An open-source ERA application fuses 2D occupancy grids across vehicles using a GNU Radio implementation of DSRC, performs V2V map exchange and fusion, and… | ||
| Wednesday Lightning Talks | lauren sandler | 22m |
Covers specific demos and numbers: Thunderbolt 3 tunnels PCIe Gen3 as 40 Gbps 4 lanes PCIe Gen3 delivering almost 4 GB/s to host with one cable, shown powering… | ||
| SigMF. | Ben Hilburn | 26m |
SigMF is a simple, portable on-disk format for raw IQ recordings with concrete goals: maximize throughput, guarantee unambiguous interpretation, minimize… | ||
| GPUDirect + SDR: How to Move One Billion Samples per Second over PCIe | John Orlando | 26m |
Epiq integrates GPUDirect with its PCIe SDRs so digitized IQ streams land directly in GPU memory via an updated PCIe DMA driver, tested on a Sidekiq X4 feeding… | ||
| Multichannel phase coherent transceiver system with GNU Radio... | Michael Hennerich | 32m |
A production-ready multichannel phase-coherent transceiver with a GNU Radio interface demonstrates a working 4 channel 200MHz system built from two ADRV9009… | ||
| Exponent: Arbitrary Bandwidth Receiver Architecture | Dana Sorensen | 23m |
Claims a practical architecture that stitches many narrowband 9361 receivers into one arbitrarily wide receiver by matching Nyquist filter magnitudes… | ||
| Streaming with DPDK: Raising the Throughput Ceiling with Drivers in Use.. | Alex C. Williams | 20m |
DPDK-based user-space drivers replace the kernel path with a minimal UDP/IP/ARP stack, pinned IO threads and zero-copy DMA buffers so the stream sustains the… | ||
| USRP based X-band Digital Beam Forming Synthetic Aperture Imaging Radar | Peter Stenger | 29m |
A USRP B200 with a commercial up/down‑converter and an FPGA timing board implements X‑band DBF SAR that transmits LFM pulses via 2 TX and 8 RX time‑multiplexed… | ||
| The Softening of Ware | Mark Spencer | 32m |
Argues that avionics move from hardware to configuration by consolidating radios and instruments onto common computers running microservices, trading many… | ||
| The GR PDU Utilities | Jacob Gilbert | 38m |
GR PDU Utilities extend GNU Radio’s in-tree PDU API with concrete blocks: tag-to-PDU and PDU-to-stream converters, a message trigger, data converters, an… | ||
| MetaSat: Metadata for Good | Daina Bouquin | 32m |
MetaSat defines a machine-actionable metadata schema that records hardware, software, data, people and mission artifacts to make small-satellite work… | ||
| Enabling Precise Timing Control in SDRs | Srikanth Pagadarai | 17m |
Architectural recipe for implementing loopback delay estimation on a Zynq SoC with concrete trade offs: integer correlation-based delay estimator moved into… | ||
| Managing Latency in Continuous GNU Radio Flowgraphs | Matt Ettus | 31m |
Demonstrates an active solution that replaces buffer bloat with a small feedback loop: a latency manager tags every N samples, limits the number of tags in… | ||
| Thursday Lightning Talks | robin guest | 23m |
Analog Devices hardware gets repurposed into reproducible lab gear: an AD9166 NCO driving sine waves DC–7 GHz at +8 dBm with low harmonics, Raspberry… | ||
| VLBI with GNU Radio and White Rabbit | Paul Boven | 28m |
Claims that White Rabbit can serve as a VLBI reference over a 169 km link with timing better than 1 nanosecond and frequency stability close to a hydrogen… | ||
| Performance Evaluation of MIMO Techniques With an SDR-Based Prototype | Evariste Some | 25m |
Claims that combining MIMO diversity and spatial multiplexing on open‑source SDRs increases reliability and throughput and demonstrates it with simulations and… | ||
| UAS Community Testbed Architecture for Advanced Wireless Research with... | Vuk Marojevic | 30m |
AERPAW lays out a working community testbed blueprint that combines commercial cellular gear with open‑source SDRs and on‑air vehicles and claims usable… | ||
| Demonstration of GNU Radio Compatibility with a NASA Space... | David S. Miller | 15m |
Claims that a GNU Radio SDR implemented on a Dell laptop with a RTL‑SDR dongle receives a NASA vendor modem at a 1.2 GHz IF and recovers a 15‑bit repeating… | ||
| Prototyping LTE-WiFi Interworking on a Single SDR Platform | Walter Nitzold | 27m |
Real-time LTE and 802.11 PHYs run on USRP-2974/2953 FPGAs using NI Application Frameworks and connect to ns‑3 via a vendor‑independent L1–L2 API so simulated… | ||
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