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TS 12.21 (GERAN1)
Network Management (NM) procedures and messages on the A-bis interface

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(P) GSM Rel-99 v8.0.0    2002/05    64 p.
(P) GSM Rel-98 v7.0.0    2002/05    64 p.
(P) GSM Rel-97 v6.0.0    2002/05    64 p.
(P) GSM Rel-96 v5.0.0    1997/02    64 p.
(P) GSM Phase-2 v4.5.4    1998/05    63 p.


Rapporteur:  TOCHE, Christian
Descendant(s):  TS 52.021    


This TS addresses the network management messages and procedures across the A-bis interface, which is defined as Qx in GSM. The information model included here defines the objects and how they are addressed for purposes of operations and maintenance activities.

There is a requirement for the A-bis interface to be open to allow interoperation between BTSs of different manufacturers working to the same BSC. This TS addresses this requirement from OAM point of view, which allows this interworking to take place. It shows the split of NM functions between BSC and BTS. The procedures and coding of the messages are specified in detail. In practice, in addition to this TS it is necessary that the content of manufacturer-dependent information fields be specified to fulfill the functionality.

It is essential for operation that a BSC can handle the functions used by all its BTSs. Therefore, all items in this TS are considered mandatory unless otherwise indicated in this TS.


 

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1   Scope   PDF-p. 8
2   References
3   Definitions and abbreviations   PDF-p. 9
4   Functional Split between BSC and BTS
5   Information Model   PDF-p. 10
6   Elementary Procedures   PDF-p. 15
6.1   Definition of the Procedures   PDF-p. 16
6.2   SW Download Management Procedures
6.3   A-bis Interface Management Procedures
6.4   Transmission Management Procedures
6.5   Air Interface Management Procedures
6.6   Test Management Procedures   PDF-p. 21
6.7   State Management and Event Report Procedures      Up
6.8   Equipment Management Procedures
6.9   Measurement Management Procedures
6.10   Miscellaneous Procedures
7   Structured Procedures
8   Message Details   PDF-p. 27
8.1   Message Categories
8.2   Structure of Formatted OAM Messages   PDF-p. 29
8.3   SW Download Management Messages   PDF-p. 30      Up
8.4   A-bis Interface Management Messages
8.5   Transmission Management Messages
8.6   Air Interface Management Messages   PDF-p. 33
8.7   Test Management Messages
8.8   State Management and Event Report Messages
8.9   Equipment Management Messages
8.10   Measurement Management Messages      Up
8.11   Miscellaneous Messages   PDF-p. 39
9   Coding
9.1   Message Type      Up
9.2   Object Class   PDF-p. 43
9.3   Object Instance
9.4   Attributes and Parameters   PDF-p. 44
9.4.1   Abis Channel   PDF-p. 46
9.4.2   Additional Info
9.4.3   Additional Text   PDF-p. 47
9.4.4   Administrative State
9.4.5   ARFCN List
9.4.6   Autonomously Report
9.4.7   Availability Status      Up
9.4.8   BCCH ARFCN   PDF-p. 48
9.4.9   BSIC
9.4.10   BTS Air Timer
9.4.11   CCCH Load Indication Period
9.4.12   CCCH Load Threshold
9.4.13   Channel Combination   PDF-p. 49
9.4.14   Connection Failure Criterion
9.4.15   Destination   PDF-p. 50
9.4.16   Event Type
9.4.17   File Data      Up
9.4.18   File Id
9.4.19   File Version   PDF-p. 51
9.4.20   GSM Time
9.4.21   HSN
9.4.22   HW Configuration
9.4.23   HW Description
9.4.24   Intave Parameter   PDF-p. 52
9.4.25   Interference level Boundaries
9.4.26   List of Required Attributes
9.4.27   MAIO      Up
9.4.28   Manufacturer Dependent State   PDF-p. 53
9.4.29   Manufacturer Dependent Thresholds
9.4.30   Manufacturer Id
9.4.31   Max Timing Advance
9.4.32   Measurement Result
9.4.33   Measurement Type
9.4.34   Multi-drop BSC Link   PDF-p. 54
9.4.35   Multi-drop next BTS Link
9.4.36   Nack Causes
9.4.37   Ny1   PDF-p. 55      Up
9.4.38   Operational State   PDF-p. 56
9.4.39   Overload Period
9.4.40   Physical Config
9.4.41   Power Class
9.4.42   Power Output Thresholds
9.4.43   Probable Cause   PDF-p. 57
9.4.44   RACH Busy Threshold
9.4.45   RACH Load Averaging Slots
9.4.46   Radio Sub Channel
9.4.47   RF Max Power Reduction      Up
9.4.48   Site Inputs   PDF-p. 58
9.4.49   Site Outputs
9.4.50   Source
9.4.51   Specific Problems
9.4.52   Starting Time   PDF-p. 59
9.4.53   T200
9.4.54   TEI
9.4.55   Test Duration
9.4.56   Test No
9.4.57   Test Report Info   PDF-p. 60      Up
9.4.58   VSWR Thresholds
9.4.59   Window Size
9.4.60   TSC
9.4.61   SW Configuration   PDF-p. 61
9.4.62   SW Description
9.4.63   Perceived Severity
9.4.64   Get Attribute Response Info
9.4.65   Outstanding Alarm Sequence   PDF-p. 62
9.4.66   HW Conf Change Info
A   Change history   PDF-p. 63      Up

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