Osmocom 2020 Review » History » Revision 2
Revision 1 (laforge, 03/12/2021 06:47 PM) → Revision 2/3 (laforge, 03/12/2021 06:52 PM)
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h1. Osmocom 2020 Review
h2. General CNI topics
* VTY: document when a setting becomes active (immediate, after BTS reconnect, ...)
* osmo-smlc
* osmo-uecups
* RIM + NACC support in PCU, SGSN, gb-proxy
* IPv6 support all over RAN (A, Gb, Iu, Lb, CBSP, MGCP, ...)
* SCHED_RR configuration via vty
* automatic VTY refrence (re)generation
* RPM packages / SPEC files / OBS build CentOS7
h2. RAN
h3. osmo-bts
* BS (downlink) power control
* baseband frequency hopping
* tons of reports regarding measurement reports
* EWMA based filtering of power control loops
* repeated downlink SACCH (3GPP Rel 6)
* repeated uplink SACCH (3GPP Rel 6)
https://osmocom.org/projects/osmobts/news
h3. osmo-trx
* measured default 'calibration' values to get realistic RSSI
* prbs-tool for making TRX send PRBS (including simulated bit-errors)
* osmo-trx-ipc using shared memory interface towards hardware
* proper tx amplitude scaling (power vs. voltage)
h3. osmo-pcu
* large number of various CSN.1 encoder/decoder fixes
* MS RA capability parsing fixes (#4463)
* properly encode P-TMSI in RR PAGING REQUEST
* Fix UL-ACK not sent to MS if intermediate UL block is lost
* 11bit RACH support (EGPRS Packet channel Requeset, #1548)
* do not encode out-of-range TA value
* fix RRBP field in packet uplink assignment
* add support for IPv6 NS-VCs
* add support for frequency hopping
* downgrade to DL MCS1-4 when USF for GPRS_only MS (#4544)
* Get rid of LLC UI dummy blocks following other data (#4849)
* support GPRS concurrently with EGPGRS (previously only either/or)
* support Gb interface with IP-SNS
* NACC (Network Assisted Cell Change) support
* re-factoring with conversion of more C++ to C
* lots more work going on (Pau Espin)
https://osmocom.org/projects/osmopcu/news
h3. osmo-bsc
* Support for Ericsson RBS6000 / DUG 20
* Security: A5/2 had higher priority than A5/1
* Support for MSC pooling (#
* Cell Broadcast Scheduling / CBSP
* Lb interface / LCS
* frequency hopping fixes / tests
* CSFB related fixes (repeated EARFCN encoding)
* ACC rotation, ACC ramping over whole lifecycle
* many more counters / statistics
* emergency call pre-emption
* improvements on LTE neighbor IEs
* proper osmo_fsm for OML MOs
* endless hand-over improvements
** tons of new tests
** favor moving dynamic TS
* initial AMR mode fixes
* ACCH repetition
* neigbor resolution service (for NACC)
h3. osmo-mgw
* CTRL interface (for counters)
* IPv6 RTP sockets; IPv6 in SDP/MGCP
* support for E1 / I.460 time-slots (Abis TRAU frames)
h3. osmo-gbproxy
* complete NS rewrite
* major overall rewrite (now with proer per-BVC FSMs)
* IP-SNS support
* SGSN pooling support
* Gb over Frame Relay support
* now in its own osmo-gbproxy.git
h2. CN
h3. osmo-hlr
* distributed GSM support
* XOR-3G authentication supprt (e.g. eSIM test profile)
h3. osmo-stp / libosmo-sccp
* support M3UA without routing context IE
* IPv6 sigtran support
* reporting of M3UA level availability/unavailability (SNM)
* reporting of SCCP level availability/unavailability (SCMG)
h3. osmo-cbc
* more real testing
* working REST interface
* cbc-apitool.py
h3. osmo-ggsn
* automatic testing with kernel GTP
** torvalds/linux.git, net-next.git, Debian 10 kernel
* sgsnemu net-ns support
h3. osmo-sgsn
* various protocol correctness fixes
* support multiple PCU in one LAC/RAC
* routing of RIM messages between Gb interfaces
* fix routing of DL traffic in case of intra-RAC cell change
h3. osmo-msc
* SMS correctness fixes
* more VTY commands for state introspection
* BSSAP correctness fixes
* rudimentary NRI / pool support
h2. Misc
h3. icE1usb / osmo-e1-daemon
* hardware is now available
* firmware, gateware and host software for 1 E1 port
* DAHDI driver as alternative to osmo-e1d
* prbs-test
* superchannel mode
* error reporting via interrupt endpoint
h3. osmo-remsim
* remsim-client-shell
* ifd_handler as remsim-client
** make any random PC/SC using application use a remote card
* bankd: regex matching of reader names
h3. osmo-small-hardware
* various osmo-clock-gen fixes
* SIU clock breakout board (for Ericsson SIU)
* various front panels for 3U component carrier
* ngff-breakout v3 for longer 5G modems (Quectel)
h3. pysim
* python3 migration
* EF_SPN
* ACC bit writing
* EF.HPLMNwAcT writing
* EF.MSISDN writing
* support new sysmoISIM-SJA2
* general support of ISIM application
* service table helpers for SST/EST/IST
* use AT command based modem as card reader
* IMS (ePDG, P-CSCF, etc. ) writing
* pysim-Shell: interactive command line interface to explore and modify cards
