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TS 08.58 (GERAN2)
Base Station Controler - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification

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(P) GSM Rel-99 v8.6.0    2000/11    83 p.
(P) GSM Rel-98 v7.4.1    2000/05    87 p.
(P) GSM Rel-97 v6.3.0    1999/11    78 p.
(W-zip) GSM Rel-96 v5.10.0    1999/11    78 p.
(W-zip) GSM Phase-2 v4.9.0    1995/10    102 p.
(P) GSM Phase-1 v3.6.0    1994/04    81 p.


Rapporteur:  ANDERSEN, Niels Peter Skov
Descendant(s):  TS 08.58dcs     TS 08.58ext     TS 48.058    


The use and general aspects of the Base Station Controller (BSC) to Base Station Transceiver (BTS) interface (the A-bis interface) are given in TS 08.51.

This TS specifies the general structure of layer 3 and traffic management procedures and messages used on the A-bis interface to support signalling procedures as defined in TS 04.08. Support for Location Services (LCS) related signalling, as defined in TS 03.71, is also included. TS 03.71 identifies new A-bis signalling to support BTS-embedded Type B LMUs as well as standalone, Type B LMUs. The standalone Type B LMU supports the layer 1 and 2 signalling for the A-bis as well as the Location Service message defined in this TS.

Network management procedures and messages for the A-bis interface are defined in TS 08.59.

The functional split between BSC and BTS is defined in TS 08.52. The procedures and messages required to support this split are defined in detail in this TS.


 

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1   Scope   PDF-p. 8
2   Protocol model
3   Radio Link Layer Management Procedures   PDF-p. 10
4   Dedicated channel management procedures
5   Common channel management procedures
6   TRX management procedures
6a   Location services procedures
7   Error handling
8   Message formats and contents
8.1   Transparent messages   PDF-p. 35
8.2   Non-transparent messages (BSC-BTS specific messages)
8.3   Radio link layer management messages
8.4   DEDICATED CHANNEL MANAGEMENT MESSAGES
8.5   COMMON CHANNEL MANAGEMENT MESSAGES
8.6   TRX MANAGEMENT MESSAGES      Up
8.7   LOCATION SERVICES MESSAGES
9   Information element codings   PDF-p. 53
9.1   Message discriminator
9.2   MESSAGE TYPE
9.3   Other information elements   PDF-p. 55      Up
9.3.1   Channel Number   PDF-p. 56
9.3.2   Link Identifier
9.3.3   Activation Type   PDF-p. 57
9.3.4   BS Power   PDF-p. 58
9.3.5   Channel Identification
9.3.6   Channel Mode
9.3.7   Encryption information   PDF-p. 60
9.3.8   Frame Number   PDF-p. 61
9.3.9   Handover reference
9.3.10   L1 Information      Up
9.3.11   L3 Information (message name)
9.3.12   MS Identity   PDF-p. 62
9.3.13   MS Power
9.3.14   Paging Group
9.3.15   Paging Load
9.3.16   Physical Context   PDF-p. 63
9.3.17   Access Delay
9.3.18   RACH Load
9.3.19   Request Reference   PDF-p. 64
9.3.20   Release Mode      Up
9.3.21   Resource Information
9.3.22   RLM Cause
9.3.23   Starting Time   PDF-p. 65
9.3.24   Timing Advance
9.3.25   Uplink Measurements
9.3.26   Cause   PDF-p. 66
9.3.27   Measurement result number   PDF-p. 69
9.3.28   Message Identifier
9.3.29   SACCH Information
9.3.30   System Info Type   PDF-p. 70      Up
9.3.31   MS Power Parameters   PDF-p. 71
9.3.32   BS Power Parameters
9.3.33   Pre-processing Parameters
9.3.34   Pre-processed Measurements   PDF-p. 72
9.3.35   Full Immediate Assign Info
9.3.36   SMSCB Information
9.3.37   MS Timing Offset
9.3.38   Erroneous Message
9.3.39   Full BCCH Information (message name)   PDF-p. 73
9.3.40   Channel Needed      Up
9.3.41   CB Command type
9.3.42   SMSCB Message   PDF-p. 74
9.3.43   CBCH Load Information
9.3.44   SMSCB Channel Indicator   PDF-p. 75
9.3.45   Group call reference
9.3.46   Channel description
9.3.47   NCH DRX information
9.3.48   Command indicator   PDF-p. 76
9.3.49   eMLPP Priority
9.3.50   UIC      Up
9.3.51   Main channel reference
9.3.52   MultiRate configuration   PDF-p. 77
9.3.53   MultiRate Control
9.3.54   Supported Codec Types
9.3.55   Codec Configuration   PDF-p. 79
9.3.56   Round Trip Delay
9.3.57   TFO Status   PDF-p. 80
9.3.58   LLP APDU
A   Change history   PDF-p. 81

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