Álvaro Neira Ayuso c5fedd24c9 sysmobts-mgr: Add VTY support for configuring it
This patch allows to configure the warning temperature threshold,
the severe temperature threshold of the board and the PA and the
actions like the relative value power that we want to reduce the
transmit power to and the part that we want to switch off or not.

Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
2014-05-18 09:42:08 +02:00
2011-09-07 21:28:27 +02:00

Repository for new the Osmocom BTS implementation.

This code implementes the Layer 2 and higher of a more or less
conventional GSM BTS (Base Transceiver Station) - however, using an
Abis/IP interface, rather than the old-fashioned E1/T1.

Specificallt, this includes
 * BTS-Side implementation of TS 08.58 (RSL) and TS 12.21 (OML)
 * BTS-Side implementation of LAPDm (using libosmocore/libosmogsm)
 * A somewhat separated interface between those higher layer parts
   and the Layer1 interface.

Right now, only one hardware and Layer1 are supported:  The sysmocom
sysmoBTS.

There is some experimental and way incomplete code to use a couple of
OsmocomBB phones and run them in the BTS.  However, the required code
for the Calypso DSP code have not been written yet.  This would still
require a lot of work.

Some additional work is being done in using some parts of the OpenBTS
L1FEC and glue it against omso-bts.  However, this is also still in an
early, experimental stage.

== Known Limitations ==

As of June 3, 2012, the following known limitations exist in this
implementation:

=== Common Core ===
 * No Extended BCCH support
 * System Information limited to 1,2,2bis,2ter,2quater,3,4,5,6,9,13
 * No RATSCCH in AMR
 * No OML (TS 12.21) alarms yet (temperature, ...)
 * Only single-TRX BTS at this point
 * Will reject TS 12.21 STARTING TIME in SET BTS ATTR / SET CHAN ATTR
 * No support for frequency hopping
 * No reporting of interference levels as part of TS 08.58 RF RES IND
 * No error reporting in case PAGING COMMAND fails due to queue overflow
 * No hand-over support (planned)
 * No use of TS 08.58 BS Power and MS Power parameters
 * No support of TS 08.58 MultiRate Control
 * No support of TS 08.58 Supported Codec Types
 * No support of Bter frame / ENHANCED MEASUREMENT REPORT

=== osmo-bts-sysmo ===
 * No CSD / ECSD support (not planned)
 * No GPRS/EDGE support (planned)
 * GSM-R frequency band supported, but no NCH/ASCI/SoLSA
 * All timeslots on one TRX have to use same training sequence (TSC)
 * No multi-TRX support yet, though hardware+L1 support stacking
 * Makes no use of 12.21 Intave Parameters and Interference
   Level Boundaries
 * Makes no use of TS 12.21 T3105
 * Doesn't yet include MAC address in Abis/IP Identity message
 * MphConfig.CNF can be returned to the wrong callback. E.g. with Tx Power
   and ciphering. The dispatch should take a look at the hLayer3.


Description
Osmocom Base Transceiver Station (BTS)
Readme 33 MiB
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