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TS 12.21 (RAN6)
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:  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  ScopePDF-p. 8
2  References
3  Definitions and abbreviationsPDF-p. 9
4  Functional Split between BSC and BTS
5  Information ModelPDF-p. 10
6  Elementary ProceduresPDF-p. 15
6.1  Definition of the ProceduresPDF-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 ProceduresPDF-p. 21
6.7  State Management and Event Report ProceduresUp
6.8  Equipment Management Procedures
6.9  Measurement Management Procedures
6.10  Miscellaneous Procedures
7  Structured Procedures

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