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Thanks to the work done by Mychaela (see the related Change-IDs), we can finally implement handling of TCH/F14.4 (both T and NT modes) for osmo-bts-trx and osmo-bts-virtual. This channel mode is special in a way that it employs a different rate adaptation function RAA' (defined in 3GPP TS 48.020 chapter 11), which converts between between 290-bit blocks used on Um and Abis-E1 interfaces (E-TRAU frames on the latter) and A-TRAU frames spoken over the A interface. The result of function RAA' in the Uplink direction is 320 bits, which is equal to 4 x 80-bit V.110 frames, but actually carrying 8 x 36-bit packed frames. These 320 bits are then fed to the RA2 function, like we do for other CSD channel modes. Change-Id: I3c3bef0bd2f72b8381597b5699e2060165b702a0 Depends: libosmo-abis.git I11fc1529f5be88fa778c7e05cb11eef58a389d40 Depends: libosmo-abis.git I1347a25ce97d5022502ee9112caded66315b09a4 Related: OS#6167
12 lines
883 B
Plaintext
12 lines
883 B
Plaintext
# When cleaning up this file: bump API version in corresponding Makefile.am and rename corresponding debian/lib*.install
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# according to https://osmocom.org/projects/cellular-infrastructure/wiki/Make_a_new_release
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# In short: https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html#Updating-version-info
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# LIBVERSION=c:r:a
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# If the library source code has changed at all since the last update, then increment revision: c:r + 1:a.
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# If any interfaces have been added, removed, or changed since the last update: c + 1:0:a.
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# If any interfaces have been added since the last public release: c:r:a + 1.
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# If any interfaces have been removed or changed since the last public release: c:r:0.
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#library what description / commit summary line
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libosmotrau >1.6.0 osmo_csd_ra2_{16k,8k}_{pack,unpack}() API
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libosmotrau >1.6.0 osmo_csd144_{to,from}_atrau_bits() API
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