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2014-12-11sysmobts: Add a manual ms power level controlzecke/power-controlHolger Hans Peter Freyther1-0/+14
Currently the DSP is instructed to achieve a given uplink power target but there are circumstances (e.g. EMV testing) where we need more control over it. The "manual/software/osmo" power control can only be implemented per TRX and not per lchan. Add a very very basic control that checks the MS Power used by the phone, the actual receive level and then adjust the power. The code doesn't take the history into account, if the phone can not reach the requested power level the code will be stuck (e.g. no timeout based on multiframes). It has a mode for a fixed power control but no way to set it yet.
2014-08-25tx: Generate a working configuration file on "write"Holger Hans Peter Freyther1-2/+2
We do not have the vty test script to do roundtrip testing. There is no max-initinal-pout, then there was a typo inside 'initial' and for the relative step size the unit is dB/mdB. Fix both of that.
2014-08-24New generic transmit power handlingHarald Welte1-0/+82
In order to support transmit power reduction by thermal management as well as the variety of new internal / external PA configurations of BTSs, we need a slightly more complex system. Also, as at high power a single dB can be quite a big difference, we are now doing all computations in milli-dB(m), i.e. 1/10000 bel. Ramping is now used both for up and down ramping, as that is useful in cases where you want to gracefully shut down a cell by shrinking its radius, gradually handing over subscribers to neighboring cells. Furthermore, this code is becoming part of the 'common' codebase, as it is not really specific to how sysmobts is working. The user can specify a single aggregate value for external system gain/attenuation. Let's say you have 1dB loss of antenna cable, so you can put that as 'user-gain -1' into the config, which means that a 'transmit power of 20dBm' will be compensatet for that and the TRX is instructed to output 21dBm to compensate the cable loss. Similarly, external PAs can be described by a positive user-gain. One of the next steps will be to communicate those values and the nominal power capability of the specific BTS to the BSC, so the BSC will automatically show correct signal levels in the VTY and log files. The code includes provisions for future extensions regarding * an external and an internal PA with calibration tables * a thermal attenuation setting to be controlled by the site manager
2014-08-24remove copy of gsm_bts_num()Harald Welte1-15/+0
... which is now available from gsm_data_shared.[ch] of openbsc
2014-03-12misc: Fix the build breakage now that we have btsconfig.hHolger Hans Peter Freyther1-0/+2
Include the btsconfig.h for the PACKAGE_VERSION variable.
2014-03-10agch: Add VTY queue management configurationJacob Erlbeck1-0/+43
This patch adds the following VTY commands to tune AGCH queue handling: agch-queue-management default agch-queue-management threshold THRES low LOW high HIGH Examples: agch-queue-management default Resets queue management to default parameters. agch-queue-management threshold 0 low 25 high 75 Start dropping at 25%, drop all messages above 75% queue length (relative to max queue length corresponding to T3126). Between low and high, drop with a probability interpolated linearly between 0 (low) and 1 (high). agch-queue-management threshold 50 low 0 high 0 Start dropping at 50% and continue until all IMM.ASS.REJ have been removed from the front (output) of the queue Sponsored-by: On-Waves ehf
2014-03-10agch: Add simple countersJacob Erlbeck1-0/+8
Counters are added for the following events (use VTY show to query): - Dropped IMMEDIATE ASSIGN REJECT messages - Merged IMMEDIATE ASSIGN REJECT messages - Rejected AGCH messages - Use of PCH (non-reserved) for AGCH messages - Use of AGCH (reserved) for AGCH messages Sponsored-by: On-Waves ehf
2014-02-24Revert "bts/vty: Use new vty_install_default() function, adjust prompts"Holger Hans Peter Freyther1-4/+35
This reverts commit bbfd21a36cdd10c3b8d83a329042d9ebfb4c5250.
2014-02-22bts/vty: Use new vty_install_default() function, adjust promptsJacob Erlbeck1-35/+4
This patch removes the local 'end' and 'exit' implementations (which aren't used anyway) and uses the generic ones provided by libosmocore instead, which are enabled automatically when vty_install_default() is used. The prompt strings are modified to match those in libosmocore/openbsc. Ticket: OW#952 Sponsored-by: On-Waves ehf
2013-02-04Deprecate the "rtp bind-ip" configuration directiveHarald Welte1-10/+3
Instead of explicitly having to specify the local IP address for RTP sockets in the BTS, we just use "0.0.0.0" instead, which gets translated to INADDR_ANY. We still accept the configuration directive in old config files, but when we write, the line will no longer be re-written to the file. TODO: IMHO, the IPA RSL CRCX/MDCX actually permit the BSC to specify the IP address on the BTS side, and we probably simply ignore this at this point.
2013-01-13paging: De-duplicate paging lifetime and max queue length variablesDaniel Willmann1-10/+6
These attributes are saved in paging_state, we don't need to save them a second time in struct gsm_bts_role_bts. Add get and set methods for these attributes and use them consitently in the VTY code.
2012-11-24Add VTY configuration of paging queue size and lifetime of paging recordsHarald Welte1-2/+45
This may be adding bells and whistles that nobody wants to touch, but at least for current analysis/optimiziation they are useful to have. Later on they should probably be removed again and/or obsoleted by OML messages for configuration of paging behaviour by the BSC.
2012-11-10VTY: print length/depth of paging queue in 'show bts'Harald Welte1-0/+4
2012-07-25vty: Document parameters of the unit-id and the band selectionHolger Hans Peter Freyther1-2/+12
2012-04-19common: Add the copyright text to the vty_app_infoHolger Hans Peter Freyther1-6/+7
This will make app -V print the copyright information like the other applications of our universe. An BTS integration that want to list additionaly copyright holders needs to access the vty_app_info and create a new copyright string.
2011-10-12add VTY based way to set clock calibration of sysmobts L1Harald Welte1-1/+61
2011-09-19fix various compiler warnings across the codeHarald Welte1-0/+2
this deals with unused cocde, unused variables and undeclared symbols in various places.
2011-09-08add commands to configure RTP jitter bufferHarald Welte1-1/+88
there's one global setting for the BTS default value, plus an interactive command to change the buffer of an active lchan on the fly
2011-09-07make sure 'band' will correctly parse the crap that libosmocore generatesHarald Welte1-1/+1
2011-09-04add minimal configuration file supportHarald Welte1-3/+277
this config file allows configuration of unit id, oml ip, and local rtp bind IP.
2011-06-27re-work original osmo-bts with support for sysmocom femtobtsHarald Welte1-0/+61
This code re-works osmo-bts to add support for the upcoming sysmocom BTS. It also tries to add some level of abstraction between the generic part of a BTS (A-bis, RSL, OML, data structures, paging scheduling, BCCH/AGCH scheduling, etc.) and the actual hardware-specific bits. The hardware-specific bits are currently only implemented for the sysmocom femtobts, but should be (re-)added for osmocom-bb, as well as a virtual BTS for simulation purpose later. The sysmocom bts specific parts require hardware-specific header files which are (at least currently) not publicly distributed.