Osmocom Conferences (OsmoDevCon, OsmoCon, OsmoDevCall)

{{>toc}}

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