Open-source Activity

Igor is currently maintaining a range of open-source repositories associated with the Blockstream Satellite project. In the sequel, you can find some of these, as well as other independent open-source projects developed by Igor throughout his Ph.D. research and in previous years.

gr-dvbs2rx
Full software-defined DVB-S2 receiver based on the GNU Radio framework.
Open on Github
github.com/igorauad/gr-dvbs2rx
Link Budget Calculator
A Python-based link budget calculator for satellite communications and radar systems.
Open on Github
github.com/igorauad/link-budget
PTP Dataset Analysis Library
Python library for analyzing synchronization algorithms based on timestamps generated by the IEEE 1588 precision time protocol (PTP).
Open on Github
github.com/lasseufpa/ptp-dal
Symbol Timing Recovery
Simulation of closed-loop symbol timing recovery algorithms.
Open on Github
github.com/igorauad/symbol_timing_sync
GitHub - igorauad/bch: Bose–Chaudhuri–Hocquenghem Codes in Python
Bose–Chaudhuri–Hocquenghem Codes in Python
Open on Github
github.com/igorauad/bch
gr-beacon
A GNU radio out-of-tree module to measure the power and frequency offset of a continuous-wave (CW) satellite beacon signal.
Open on Github
github.com/igorauad/gr-beacon
Stanford Digital Communications Course
Scripts and simulations for studying the Stanford EE379 Digital Communications course.
Open on Github
github.com/igorauad/digital_communication_ee379
GNU Radio on Docker
GNU Radio development environment on Docker.
Open on Github
github.com/igorauad/gnuradio-docker-env
gr-timingsync
A GNU radio out-of-tree module to analyze the timing alignment between independent USRP transmitters.
Open on Github
github.com/igorauad/gr-timingsync
Discrete Multitone Simulator
Discrete multitone (DMT) simulator featuring various channel equalization schemes and time-domain simulation scripts.
Open on Github
github.com/igorauad/dmt-simulator
LTE PHY Simulator
Scripts and simulations for studying the LTE physical layer.
Open on Github
github.com/lasseufpa/lte_ppgee

gr-blocksat

C++ / Python

Software-defined receiver implementation used by the Blockstream Satellite version 1 (from August 2017 to May 2020). Includes reusable PHY blocks for carrier frequency, phase, and timing recovery. An explainer video is available on YouTube.

Open on Github