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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....

OsmocomDECT

[old, abandoned] OsmocomDECT project by Patrick McHardy, implements a linux kernel based DECT stack.

OsmocomGMR

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

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....

OsmocomTETRA

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

OsmoDia2GSUP

The Diameter to GSUP (HLR) adapter (OsmoDia2GSUP) enables you to connect osmo-hlr to a 4G MME. It speaks GSUP with osmo-hlr and Diameter/S6a with the MME (hence the name).

OsmoGGSN (former OpenGGSN)

OsmoGGSN is an Open Source implementation of a GGSN (Gateway GPRS Support Node). It is the successor to OpenGGSN and provides a Gp (GTP v0/v1) interface towards SGSNs like OsmoSGSN and a Gi interface towards the IP network. It supports Linux kernel GTP-U acceleration via a linux-kernel-gtp-u....

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....

OsmoHLR

The Osmocom Home Location Register (OsmoHLR) is the subscriber database and authentication key store of an Osmocom 2G/3G network. It implements the GSUP protocol which is used by OsmoMSC and OsmoSGSN instead of the classic 3GPP TCAP/MAP protocols....

OsmoHNBGW

An Open Source implenentation of a HNB-GW (HomeNodeB-Gateway), implementing the Iuh, IuCS and IuPS interfaces. It aggregates the Iuh links from femtocells (hNodeBs) and presents them as regular IuCS and IuPS towards MSC and SGSN (such as OsmoMSC and OsmoSGSN). It uses M3UA as signaling transport....

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].

OsmoMGW

Osmocom Media Gateway, to manage, connect and optionally transcode voice streams between different network elements such as BTSs and external entities like SIP. It is typically co-located with both OsmoBSC and OsmoMSC and controlled by them via IETF MGCP (Media Gateway Control Protocol)....

OsmoMSC

New (2017) Osmocom Mobile Switching Center (MSC). It provides a 3GPP AoIP interface towards BSCs like OsmoBSC as well as 3GPP IuCS towards RNCs or HNB-GWs like OsmoHNBGW as well as GSUP towards OsmoHLR. Also features a minimal built-in SMSC with SMPP interface....

OsmoPCU

OsmoPCU is an Open Source GPRS/EGPRS PCU (Packet Control Unit) with Gb/IP interface. It connects via a pcu_socket to OsmoBTS or OsmoBSC and provides RLC/MAC layer and air interface scheduling for GPRS/EGPRS. Connects via 3GPP Gb/IP to a SGSN like OsmoSGSN...

OsmoSGSN

OsmoSGSN is an Open Source implementation of a SGSN (Serving GPRS Support Node). It provides a 3GPP Gb/IP interface towards PCUs like OsmoPCU as well as a Gp (GTP) interface towards GGSNs like OsmoGGSN and a GSUP interface towards OsmoHLR....

OsmoSMLC

Osmocom Serving Mobile Location Center

OsmoSMSC

Scalable Smalltalk/Pharo SMSC with SMPP input and SMPP and SS7 output.

OsmoSTP

Osmocom STP (Signal Transfer Point), implementing SS7 (MTP) routing and SIGTRAN Signalling Gateway functionality. Supports SIGTRAN only, no legacy E1/T1 based signaling links. Currently only MTP-level routing no GTR or GTT yet, but contributions in that area are very welcome....

OsmoTRX

OsmoTRX is a GSM Radio Modem based on a fork of the OpenBTS Transceiver program. It is intended to be used with the osmo-bts-trx variant of OsmoBTS in order to build GSM base stations with Abis/IP interface from general purpose SDR hardware such as USRP or LimeSDR devices....

pySim

pySim is a small command-line tool to program(write to) a variety of programmable sim cards.

Qualcomm Linux Modems by Quectel & Co

Information / Research on the internals of Qualcomm Linux based cellular modems available from Quectel and other vendors

Radio Access Network

Osmocom Radio Access Network (RAN), consisting of projects like osmotrx, osmobts, osmobsc, osmopcu and osmo-hnodeb

Retronetworking

Project about operating ancient, phased-out networking technologies such as TDM, ISDN, PDH, SDH, FDDI, ArcNet, TokenRing and others. The purpose of this is to keep alive the knowledge about the technology, and to be able to present it to interested parties....

rtl-sdr

Software project for [ab]using DVB-T USB receivers based on RTL2132 as inexpensive SDR receivers

SDR (Software Defined Radio)

A collection of SDR related software + hardware projects. In particular, look at the sub-projects such as rtl-sdr, gr-osmosdr, osmo-fl2k, gr-gsm, libosmo-dsp

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