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* Add functions for extended RACH codingMax2017-12-111-0/+2
| | | | | | | | | | | Add support for extended RACH (11 bit) according 3GPP TS 45.003 ยง5.3.2: * convolutional code with puncturing * encoding/decoding routines * corresponding tests Change-Id: I85a34a82d5cd39a594ee89d91a2338226066ab5d Related: OS#1548
* libosmocoding: migrate transcoding routines from OsmoBTSVadim Yanitskiy2017-03-071-0/+117
There are some projects, such as GR-GSM and OsmocomBB, which would benefit from using one shared implementation of GSM 05.03 code. So, this commit introduces a new sub-library called libosmocoding, which (for now) provides GSM, GPRS and EDGE transcoding routines, migrated from OsmoBTS. The original GSM 05.03 code from OsmoBTS was relicensed under GPLv2-or-later with permission of copyright holders (Andreas Eversberg, Alexander Chemeris and Tom Tsou). The following data types are currently supported: - xCCH - PDTCH (CS 1-4 and MCS 1-9) - TCH/FR - TCH/HR - TCH/AFS - RCH/AHS - RACH - SCH Change-Id: I0c3256b87686d878e4e716d12393cad5924fdfa1