- open5gs - feedback from user point of view
- osmo-epdg: The osmocom ePDG for VoWiFi
- High-performance I/O using io_uring via osmo_io
- Lower Layer of osmo-trx-ms
One of the original authors of OpenBSC and OsmocomBB, both of which turned into Osmocom later on. Also co-founder of sysmocom, the leading company for professional R&D around many osmocom projects and largest contributor to Osmocom.
In previous lives, I hacked [among other things] on netfilter/iptables, OpenMoko and did a lot of work in terms of legal compliance to Open Source licenses at gpl-violations.org
- Welcome to OsmoDevCon 2024
- Proposal for Osmocom non-for-profit
- Introduction to XDP, eBPF and AF_XDP
- Anatomy of the eSIM profile
- GlobalPlatform in USIM and eUICC
- Using bpftrace to analyze osmocom performance
- High-performance I/O using io_uring via osmo_io
- GlobalPlatform demo
- GSM FAX and CSD Demo
- Detailed workings of OTA for SIM/USIM/eUICC
Officially technology coordinator at Rhizomatica since around 2016.
Unofficially co-"founder" of said organisation since 2011.
These days, More interested in the social effects of technology and digital networking than the technology itself.
- CSFB in practice
- 2.024 G
- My Kamailio Config
- Digital Telecommunication in HF band - WWWAN - World-Wide Wireless Area Network
- Operating Open Source Mobile Networks at Scale
Most of my career happened in FLOSS.
sysmocom employee since 2015.
I wrote a large portion of Osmocom's CNI code in osmo-bsc, -msc, -hlr, -hnbgw...
Currently mostly busy in the realms:
- negotiating voice codecs in osmo-msc, -bsc, -sip-connector
- PFCP and UPF (osmo-upf, gtp-load-gen, ...)
- First impression of eUPF
- code review review
- Codec resolution: AMR rates in 2G, 3G and SIP
- my hobby dabbles at examining network traces
- A tale of OsmoGGSN, libgtpnl, kernel GTP-U and IPv6
- Your favorite Osmocom related productivity tips and tools
- open5gs - feedback from user point of view
- GPRS support in osmocom-bb
- OsmoPCU: past, present and future
- open5gs - feedback from user point of view
- osmo-epdg: The osmocom ePDG for VoWiFi
- onomondo softsim: A software USIM implementation
Rafael Diniz is a computer scientist working Rhizomatica, in the HERMES project.
- Digital Telecommunication in HF band - WWWAN - World-Wide Wireless Area Network
Longtime member of the CCC and one of the founders of the Munich CCC group.
Working on reverse-engineering iridium since 2014.
Other hobbies include security, perl and the game of go.
- iridium update
- GSMTAPv3 - The long-awaited successor
- Low cost, high speed data acquisition over HDMI
- fx2adc: Using USB oscilloscopes as general purpose ADC
Sukchan Lee is the founder and lead developer of the open5gs project
- open5gs status: recent, current and future developments
- srsRAN Project - Application in UL heavy traffic scenarios
Dev
- Sky130 and TinyTapeout : A quick intro
- JESD204B : Interfacing to modern ADC/DAC with LiteX
- GPRS support in osmocom-bb
- DebugMux: getting baseband logs from old Sony Ericsson phones
- GSM FAX and CSD Demo