Wiki » History » Version 10
laforge, 02/19/2016 10:48 PM
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2 | 10 | laforge | h1. [[OsmoBTS]] |
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5 | 10 | laforge | [[OsmoBTS]] is a software implementation of Layer2/3 of a BTS. It implements the follwing protocols/interfaces: |
6 | * LAPDm (GSM 04.06) |
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7 | * RTP |
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8 | * A-bis/IP in IPA multiplex |
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9 | * OML (GSM TS 12.21) |
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10 | * RSL (GSM TS 08.58) |
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12 | 10 | laforge | [[OsmoBTS]] is building up on work done previosuly for [[OpenBSC]] (RSL, OML, RTP) and "OsmocomBB":http://bb.osmocom.org (LAPDm). The Abis/IP protocol staking is inspired by ip.access A-bis/IP, sometimes called IPA multiplex. |
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15 | 10 | laforge | h2. Backends / Hardware support |
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17 | 10 | laforge | |
18 | [[OsmoBTS]] is modular and has support for multiple back-ends. A back-end talks to a specific L1/PHY implementation of the respective BTS hardware. Based on this architecture, it should be relatively easy to add a new back-end to support so-far unsupported GSM PHY/L1 and associated hardware. |
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20 | So far [[OsmoBTS]] has been integrated with several different L1/PHY and hardware systems. The backends are: |
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21 | * osmo-bts-sysmo |
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22 | ** Multiple indoor and outdoor BTS products called "sysmoBTS":http://www.sysmocom.de/products/sysmobts which is sold by "sysmocom":http://sysmocom.de/ |
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23 | * osmo-bts-trx |
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24 | ** Wideband SDR transceiver hardware supported by [[OpenBTS]] transceiver or [OsmoTRX] PHY layer software, including the [[UmTRX]], the USRP family, etc. |
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25 | ** Multiple indoor and outdoor "fairwaves":https://fairwaves.co BTSs, like [[UmDESK]] and [[UmSITE]] |
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26 | * osmo-bts-bb |
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27 | ** A pretty crazy experimental BTS hardware based on two [[OsmocomBB]] phones had originally been supported, but needs to be re-integrated with core code changes. |
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30 | h2. Status |
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33 | 9 | laforge | The source code includes a http://cgit.osmocom.org/cgit/osmo-bts/tree/README file with current status information |
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36 | 10 | laforge | h2. GPRS support |
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39 | 10 | laforge | osmo-bts has recently been extended with a socket interface towards [[osmo-pcu]]. This adds GPRS (and later EDGE) support to it. |
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42 | h2. Source code |
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45 | 1 | laforge | The source code is available from git.osmocom.org (module osmo-bts). |
46 | 6 | ipse | |
47 | Public read-only access is available via |
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48 | git clone git://git.osmocom.org/osmo-bts.git |
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49 | You can browse it via cgit: http://cgit.osmocom.org/cgit/osmo-bts/ |
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52 | 10 | laforge | h2. Authors / Credits |
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55 | [[OsmoBTS]] was originally developed in 2011 by Andreas Eversberg and Harald Welte. |
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56 | 9 | laforge | |
57 | Today it is mostly maintained by Harald Welte and Holger Freyther at sysmocom. Exception is the osmo-bts-trx back-end which is maintained by Fairwaves. |