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Name Description
OsmoHNodeB

This is a first step towards implementing a minimal hNodeB upper layer part, mainly handling HNBAP/RUA/RANAP messages on the Iuh interface. This is not expected to be a full / usable hNodeB anytime soon [if ever].

Cellular Network Infrastructure

This is a group of Osmocom programs implementing cellular network infrastructure components for GSM, GPRS, EDGE, UMTS, HSPA, LTE and their associated interfaces and protocol stacks.

This includes components for classic circuit-switched GSM:...

Nuttx-bb

This is a more experimental, work-in-progress port of the OsmocomBB Layer1 to the Nuttx RTOS

libosmo-netif

This is a network interfacing library intended to abstract all kinds of signalling + user payload interfaces, including Abis/IP (IPA), A/IP (SCCPlite), as well as the Osmux protocol

Osmocom Analog

This is a project implementing the analog cellular systems used in Germany and other countries in the past. It provides base station implementation of A-Netz (German pre-cellular), B-Netz (German pre-cellular), C-Netz (German cellular), NMT (Scandinavian: Nordisk Mobil Telefon) and AMPS/TACS (American: Advanced Mobile Phone Service)....

OsmoGSMTester

This is a python-based test framework by which we can control a set of BTSs and Modems to execute full-system end-to-end verification tests. We use this within Osmocom to du full end-to-end testing with all our network elements and real BTS + RF + Modem Hardware....

M.2 (NGFF) WWAN modem USB breakout board

This is a small break-out board for M.2 (NGFF) type cellular / WWAN modems.

It allows you to insert a M.2 modem from any vendor, and it will provide you with:
  • mini USB 3 socket for connection to a USB Host (like your PC/Laptop or Embedded System)
  • 5V DC input for power supply (USB supply usually insufficient for a modem)...
mPCIe WWAN modem USB breakout board

This is a small break-out board for miniPCIe (mPCIe) type cellular / WWAN modems.

It allows you to insert a mPCIe modem from any vendor, and it will provide you with:
  • mini USB socket for connection to a USB Host (like your PC/Laptop or Embedded System)...
Osmocom Libraries

This is about a set of shared C programming libraries the Osmocom project develops+maintains, such as libosmocore, libosmovty, libosmo-abis, libosmo-netif, etc.

E1/T1 Hardware Interface (including icE1usb)

This is about various projects implementing diffrent types of E1/T1 interfaces, including osmo-e1-xcvr, as well as a passive e1-tracer and icE1usb, our latest ICE40 FPGA based USB-E1 adapter.

Linux Kernel GTP-U

This is an implementation of the GTP-U (user plane) inside the Linux kernel. Originally developed within Osmocom, it was brought further in cooperation by Travelping, and is now in mainline Linux since 4.7.0. You can use it as a high-performance user plane e.g. from OsmoGGSN...

Miscellaneous Projects

This is basically a place-holder for everything else that doesn't fit in other places.

libosmo-abis

This is the A-bis interface library as used by OsmoBSC/OsmoNITB

OsmocomGMR

This is the homepage of the Osmocom sub-project GEO Mobile Radio.

osmo-sip-connector

This is the modern gateway between the MNCC Interface of OsmoMSC and OsmoNITB and an external SIP trunk. It converts between GSM TS 44.007 MNCC primitives on the one hand side and SIP messages on the other, while also signaling the RTP IP/port parameters for the voice user plane....

libsmpp34

This is the Osmocom version of libsmpp34, an implementation of the SMPP Protocol v3.4

OsmocomTETRA

This project aims at practical research and experimentation with the TETRA trunked radio system. See OsmocomTETRA.

OsmocomLCS

This project contains proof-of-concept code to send GPS assistance data to mobile phones using RRLP (Radio Resource Location Protocol) as well as inquiring/obtaining their geolocation using RRLP queries. It uses OsmoNITB to operate the GSM network, and a u-blox GPS receiver to obtain the assistance data....

libosmo-gprs

This project is a home for several libraries providing common GPRS routines:

  • libosmo-csn1 - CSN.1 (Concrete Syntax Notation 1) codec,
  • libosmo-gprs-rlcmac - RLC/MAC message definitions.
Ericsson RBS 6xxx

This project is an attempt at an independent set of publicly-available documentation of the Ericsson RBS6xxx family of base station products.

osmo-modbus

This project targets a C-Language library providing an implementation and interface to manage a Modbus node in a Modbus bus.

This library relies heavily on libosmocore library and it is aimed at being used by applications using that same library.

The Modbus specs can be found here: https://www.modbus.org/specs.php...

Mobile (in)Security

This website is intended to collect information about publicly-known security issues and other bugs of mobile communications systems, with a particular focus on the 3GPP-specified protocol layers of GSM, GPRS, EDGE and WCDMA. We collect informationon issues at any protocol layer and at any of the interfaces, i.e. the Um air interface just as well as A-bis, A, IuB, C or any of the SS7/MAP/TCAP based core network interfaces....

UmTRX

UmTRX is a dual-channel wide-band SDR transceiver that is designed to be used with ​OpenBTS and ​OsmoBTS GSM base stations. Given its SDR architecture UmTRX can easily be used with many other RF applications, and a combination of FPGA and FPRF (Field-Programmable RF) technology plus the ability to process data on a CPU or a DSP, makes it an extraordinarily flexible platform. See UmTRX....

gr-osmosdr

Unified gnuradio input/output block for a variety of SDR devices, including FUNcube Dongle, OsmoSDR, RTL-SDR, MSi2500, SDRplay, SDR-IQ, AirSpy, rad10, HackRF, bladeRF, USSRP/UHD, UMtrx, RedPitaya, FreeSRP, ...

OsmocomBB SDR PHY

Up to now there was no software defined GSM mobile phone. The "SDR PHY for Osmocom BB" project aims to fill this void. The project is focused on the client side of GSM protocol stack, and bridging the gap between existing GSM stack implementation project and SDR hardware....

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