SIST ETS 300 624 E1:2003

Digital cellular telecommunications system (Phase 2) (GSM); Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (GSM 12.22)

To ensure management of different manufacturers  BTSs from the OMC through the BSC in a standardised way, this BSC interworking ETS relates the OMC-BSC interface (Q3) as specified in GSM 12.20 and the BSC-BTS interface (A-bis Qx) as specified in GSM 12.21. In GSM 12.01 it is required that the BSC performs the Mediation Function between the OMC and the BTS. This ETS defines the requirements for this Mediation Function.

Digitalni celični telekomunikacijski sistem (faza 2) ¬– Medsebojno delovanje postopkov za upravljanja omrežja GSM in sporočil (NM) pri krmilniku bazne postaje (BSC) (GSM 12.22)

General Information

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.50 - Global System for Mobile Communication (GSM)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI ETS 300 624 ed.1 (1996-08) - Digital cellular telecommunications system (Phase 2) (GSM); Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (GSM 12.22)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 624 E1:2003
01-december-2003
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHPID]D¤±0HGVHERMQRGHORYDQMH
SRVWRSNRY]DXSUDYOMDQMDRPUHåMD*60LQVSRURþLO10SULNUPLOQLNXED]QH
SRVWDMH%6&*60
Digital cellular telecommunications system (Phase 2) (GSM); Interworking of GSM
Network Management (NM) procedures and messages at the Base Station Controller
(BSC) (GSM 12.22)
Ta slovenski standard je istoveten z: ETS 300 624 Edition 1
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
SIST ETS 300 624 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 624 E1:2003

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SIST ETS 300 624 E1:2003
EUROPEAN ETS 300 624
TELECOMMUNICATION August 1996
STANDARD
Source: ETSI TC-SMG Reference: DE/SMG-061222P
ICS: 33.060.50
Key words: Digital cellular telecommunications system, Global System for Mobile Communications (GSM)
Digital cellular telecommunication system (Phase 2);
Interworking of GSM Network Management (NM) procedures
and messages at the Base Station Controller (BSC)
(GSM 12.22)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: [e-mail]
Tel.: [phone] - Fax: [phone]
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1996. All rights reserved.

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
Contents
Foreword .7
Introduction.7
1 Scope .9
2 Normative references.9
3 Abbreviations.10
4 Common Interworking aspects.10
4.1 General considerations.10
4.1.1 Interworking tasks .10
4.1.2 Mapping between GSM 12.20 specified and GSM 12.21 specified Object
Classes.11
4.1.3 Addressing Objects at the BTS Site and handling different BTS
configurations.11
4.2 CMIP Operations .11
4.2.1 Creation of BTS related Object instances .11
4.2.2 Setting attributes of BTS related Objects .12
4.2.3 Getting attributes of BTS related Objects.13
4.2.4 Deletion of BTS related Objects.13
4.2.5 Actions on BTS related Objects .13
4.2.6 Event Reports sent by BTS related Objects.13
4.2.7 CMIS Parameters.14
4.3 Error handling .14
4.4 State management of BTS related objects.15
4.4.1 Initial states .15
4.4.2 Setting administrative state .15
4.4.2.1 Setting administrative state to Unlocked .16
4.4.2.2 Setting administrative state to Locked.16
4.4.2.3 Setting administrative state to Shutting Down .16
4.4.3 Getting state Attributes.16
4.4.4 Notifications about State Changes.16
4.5 Alarm reporting .18
5 Specific interworking aspects.21
5.1 BasebandTransceiver Object Class .21
5.1.1 Information Mapping between GSM 12.20 basebandTransceiver and
GSM 12.21 Baseband Transceiver .21
5.1.1.1 Mapping of Attributes.21
5.1.1.2 Mapping of GSM 12.21 Event Reports to GSM 12.20
Notifications .22
5.1.1.3 Mapping of GSM 12.20 Actions to GSM 12.21 procedures.23
5.1.2 The Specific Interworking Procedures of the basebandTransceiver Object
Class .23
5.1.2.1 Initialization Procedure for the basebandTransceiver
Object Class .23
5.1.2.2 M-DELETE.25
5.1.2.3 M-SET.25
5.1.2.4 M-GET .26
5.1.2.5 M-ACTION, forcedHO .26
5.2 BTS Object Class .26
5.2.1 Information Mapping between GSM 12.20 bts Object and GSM 12.21
BTS Object.26
5.2.1.1 Attribute Mapping.26

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
5.2.1.2 Mapping of GSM 12.21 Event Reports to GSM 12.20
Notifications. 28
5.2.1.3 Mapping of GSM 12.20 actions to GSM 12.21 procedures 28
5.2.2 The specific interworking procedures of the bts Object Class. 28
5.2.2.1 Initialization procedure for the bts Object Class. 28
5.2.2.2 M-DELETE. 30
5.2.2.3 M-SET. 30
5.2.2.4 M-GET . 31
5.2.2.5 M-ACTION, forcedHO. 32
5.2.2.6 M-ACTION, channelConfigurationModification. 32
5.3 BTS SiteManager Object Class . 34
5.3.1 Information mapping between GSM 12.20 btsSiteManager and
GSM 12.21 Site Manager . 34
5.3.1.1 Mapping of attributes. 34
5.3.1.2 Mapping of GSM 12.21 Event Reports to GSM 12.20
Notifications. 34
5.3.2 The specific interworking procedures of the btsSiteManager Object Class . 35
5.3.2.1 Initialization procedure for the btsSiteManager Object
Class . 35
5.3.2.2 M-DELETE. 37
5.3.2.3 M-SET. 37
5.3.2.4 M-GET . 37
5.4 Channel Object Class . 37
5.4.1 Information mapping between GSM 12.20 channel and GSM 12.21
Channel . 37
5.4.2 Mapping of attributes . 37
5.4.2.1 Mapping of GSM 12.21 event reports to GSM 12.20
notifications . 38
5.4.3 The specific interworking procedures of the channel Object Class. 38
5.4.3.1 Initialization procedure for the channel Object Class. 38
5.4.3.2 M-DELETE. 40
5.4.3.3 M-SET. 40
5.4.3.4 M-GET . 41
5.5 FrequencyHoppingSystem Object Class. 41
5.5.1 Information mapping between GSM 12.20 frequencyHoppingSystem
attributes and GSM 12.21 Channel . 41
5.5.1.1 Mapping of Attributes . 41
5.5.2 The interworking procedures of the frequencyHoppingSystem Object
Class. 42
5.5.2.1 Initialization procedure for the frequencyHoppingSystem
Object Class. 42
5.5.2.2 M-DELETE. 42
5.5.2.3 M-SET. 42
5.5.2.4 M-GET . 43
5.6 LapdLink Object Class . 43
5.6.1 Information mapping between GSM 12.20 lapdLink and GSM 12.21
Objects. 43
5.6.1.1 Mapping of attributes. 43
5.6.2 Interworking procedures for the lapdLink Object Class. 44
5.6.2.1 Initialization procedure for the lapdLink Object Class . 44
5.6.2.2 M-DELETE. 44
5.6.2.3 M-SET. 44
5.6.2.4 M-GET . 44
5.7 radioCarrier Object Class. 45
5.7.1 Information mapping between GSM 12.20 radioCarrier and GSM 12.21
Radio Carrier . 45
5.7.1.1 Mapping of attributes. 45
5.7.1.2 Mapping of GSM 12.21 Event Reports to GSM 12.20
notifications . 45
5.7.2 The interworking procedures of the radioCarrier Object Class . 46
5.7.2.1 The Initialization procedure for the radioCarrier Object
Class . 46
5.7.2.2 M-DELETE. 47

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5.7.2.3 M-SET.47
5.7.2.4 M-GET .48
5.8 Software Objects .48
5.8.1 Introduction.48
5.8.2 Replaceable Software Unit Object Class .49
5.8.2.1 Information mapping between GSM 12.20
replaceableSoftwareUnit and GSM 12.21 objects.49
5.8.2.1.1 Mapping of attributes .49
5.8.2.2 Interworking procedures .50
5.8.2.2.1 M-CREATE .50
5.8.2.2.2 M-DELETE.50
5.8.2.2.3 M-SET.50
5.8.2.2.4 M-GET .50
5.8.3 Executable Software Unit Object Class.51
5.8.3.1 Information mapping between GSM 12.20
executableSoftwareUnit and GSM 12.21 objects .51
5.8.3.2 Interworking procedures .51
5.8.3.2.1 M-CREATE .51
5.8.3.2.2 M-DELETE.51
5.8.3.2.3 M-SET.51
5.8.3.2.4 M-GET .51
5.8.4 Operating Software Unit Object Class.51
5.8.4.1 Information Mapping between GSM 12.20
operatingSoftwareUnit and GSM 12.21 objects .51
5.8.4.2 Interworking procedures .52
5.8.4.2.1 M-CREATE .52
5.8.4.2.2 M-DELETE.52
5.8.4.2.3 M-SET.52
5.8.4.2.4 M-GET .54
6 Related A-Bis Structured Procedures .54
6.1 LAPD Link Connection.54
6.2 LAPD Link Disconnection .55
6.3 Software Downloading and Activation .55
6.3.1 Software Downloading.55
6.3.2 Software Activation.56
Annex A (informative): Some interworking issues .57
A.1 Structured procedures on Q3 Interface.57
Annex B (informative): Reconfiguration procedures .58
B.1 Assumptions.58
B.2 Implementation specific issues .58
B.3 Reconfiguration when BCCH is lost .59
B.4 Reconfiguration when SDCCH is lost.60
Annex C (informative): List of attributes .63
History.65

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
Foreword
This European Telecommunication Standard (ETS) was produced by the Special Mobile Group (SMG)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS describes the BSC interworking within the Digital cellular telecommunications system. This ETS
corresponds to GSM technical specification, GSM 12.22, version 4.1.4.
The specification from which this ETS has been derived was originally based on GSM Phase 1
documentation, hence the presentation of this ETS is not entirely in accordance with the ETSI/PNE rules.
NOTE: TC-SMG has produced documents which give technical specifications for the
implementation of the Digital cellular telecommunications system. Historically, these
documents have been identified as GSM Technical Specifications (GSM-TSs). These
specifications may subsequently become I-ETSs (Phase 1), or European
Telecommunication Standards (ETSs)(Phase 2), whilst others may become ETSI
Technical Reports (ETRs). These ETSI-GSM Technical Specifications are, for editorial
reasons, still referred to in this ETS.
Transposition dates
Date of adoption of this ETS: 06 June 1996
Date of latest announcement of this ETS (doa): 26 September 1996
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 27 March 1997
Date of withdrawal of any conflicting National Standard (dow): 27 March 1997
Introduction
This ETS is structured as follows;
1) Scope;
2) Normative references;
3) Abbreviations;
4) Common interworking aspects;
5) Specific interworking aspects;
6) Related A-bis structured procedures;
Annex A (informative) Some interworking issues;
Annex B (informative) Reconfiguration procedures;
Annex C (informative) List of attributes.
Clause 4 describes the aspects common to all the managed object classes that cause interworking
between the Q3 and Qx interfaces. Objects and their naming and addressing on the OMC-BSC and A-bis
Qx interfaces are briefly described. General requirements for Q3/Qx interworking for CMIP operations
including error handling are given. Q3/Qx interworking of general functions, i.e. state management and
alarm reporting, are also specified.
Clause 5 specifies the aspects, specific to each object class, that cause interworking. This clause contains
the requirements on mapping between the GSM 12.20 specified and GSM 12.21 specified objects, their
attributes, and object specific interworking procedures for different CMIP operations.
Clause 6 defines the A-bis structured procedures used in clause 3.
Annex A describes the structured procedures at a high level which are used in managing the BTS from
the OMC. Annex B contains example procedures for BCCH and SDCCH reconfiguration. Annex C
contains the list of GSM 12.20 and GSM 12.21 attributes that are referenced in this specification.

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
1 Scope
To ensure management of different manufacturers' BTSs from the OMC through the BSC in a
standardized way, this BSC interworking ETS relates the OMC-BSC interface (Q3) as specified in
GSM 12.20 and the BSC-BTS interface (A-bis Qx) as specified in GSM 12.21. In GSM 12.01 it is required
that the BSC performs the Mediation Function between the OMC and the BTS. This ETS defines the
requirements for this Mediation Function.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references, the
latest edition of the publication referred to applies.
[1] CCITT Recommendation X.710: "Information technology - Open Systems
Interconnection - Common Management Information Service Definition for
CCITT Applications".
[2] CCITT Recommendation X.711: "Information technology - Open Systems
Interconnection - Common Management Information Protocol specification for
CCITT Applications".
[3] CCITT Recommendation X.721 (ISO 10165-2): "Information technology - Open
Systems Interconnection - Structure of management information: Definition Of
Management Information".
[4] CCITT Recommendation X.731 (ISO 10164-2): "Information technology - Open
Systems Interconnection - Systems Management: State Management".
[5] CCITT Recommendation X.733 (ISO 10164-4): "Information technology - Open
Systems Interconnection - Systems Management: Alarm Reporting".
[6] CCITT Recommendation X.734 (ISO 10164-5): "Information technology - Open
Systems Interconnection - Systems Management: Event Report Management
Function".
[7] CCITT Recommendation X.735 (ISO 10164-6): "Information technology - Open
Systems Interconnection - Systems Management: Log Control Function".
[8] GSM 04.08 (ETS 300 557): "Digital cellular telecommunication system
(Phase 2); Mobile radio interface layer 3 specification".
[9] GSM 08.56 (ETS 300 595): "Digital cellular telecommunication system
(Phase 2); Base Station Controller - Base Transceiver Station (BSC - BTS)
interface Layer 2 specification".
[10] GSM 08.58 (ETS 300 596): "Digital cellular telecommunication system
(Phase 2); Base Station Controller - Base Transceiver Station (BSC - BTS)
interface Layer 3 specification".
[11] GSM 12.00 (ETS 300 612-1): "Digital cellular telecommunication system
(Phase 2); Objectives and structure of Network Management (NM)".
[12] GSM 12.01 (ETS 300 612-2): "Digital cellular telecommunication system
(Phase 2); Common aspects of GSM Network Management (NM)".
[13] GSM 12.20 (ETS 300 622): "Digital cellular telecommunication system
(Phase 2); Base Station System (BSS) Management Information".

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ETS 300 624: August 1996 (GSM 12.22 version 4.1.4)
[14] GSM 12.21 (ETS 300 623): "Digital cellular telecommunication system
(Phase 2); Network Management (NM) procedures and message on the A-bis
interface".
3 Abbreviations
Abbreviations used in this ETS are listed in GSM 01.04.
4 Common Interworking aspects
4.1 General considerations
4.1.1 Interworking tasks
Figure 1 illustrates differences between Q3 and A-bis Qx interfaces and the object models in the BSC and
the BTS.
info-model
info-model
OMC BSC BTS
BTS
BSC
MIB MIB
'sees'
'sees'
M A MA
CMIS CMIS
CMIP
12.21 elementary 12.21 elementary
procedures
procedures
Resource
Resource
A-bis O&M
Resource
Resource
M: Manager
A: Agent
Figure 1: Mapping of information models
In the A-bis interface, layers 1 and 2 are common with telecommunication signalling specified in
GSM 08.5X. Network management messages and procedures on the A-bis interface are based on the
layer 3 transport mechanism specified in GSM 12.21 and are consistent with the telecommunications
signalling on layers 3 as specified in GSM 08.58.
The protocol profiles for the Q3 interface are specified in GSM 12.01.
For network management purposes, the BSC is responsible for the following interworking tasks:
- bi-directional protocol conversion so as to provide mapping between Q3 and A-bis Qx interfaces
which consists of mapping of GSM 12.20 objects onto GSM 12.21 objects, mapping of CMIS
services onto GSM 12.21 procedures and association of GSM 12.20 attributes to GSM 12.21
attributes;
- management of interworking functions activated by the OMC and terminated within the BTS and
vice versa;
- handling of interworking errors, i.e., reporting errors in case of failure in interworking procedures.
NOTE: The functions activated by the OMC and terminated within the BSC or functions
activated by the BTS and terminated within the BSC are not specified here. This
applies also to the vice versa situations.

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4.1.2 Mapping between GSM 12.20 specified and GSM 12.21 specified Object Classes
Q3 and A-bis Qx interfaces use different object models. The specification of the interworking procedures
between these interfaces requires mapping the object classes and instances between the Q3 interface
and the A-bis Qx interface and vice versa. The following table contains BTS related object classes
specified in GSM 12.20 and the corresponding object classes specified in GSM 12.21.
Table 1: BTS related object classes in GSM 12.20 and GSM 12.21.
GSM 12.20 BTS related object classes GSM 12.21 object classes
btsSiteManager Site Manager
bts BTS
basebandTransceiver Baseband Transceiver
radioCarrier Radio Carrier
1)
frequencyHoppingSystem Channel
channel Channel
lapdLink 2)
NOTE 1: GSM 12.21 does not specify the frequency hopping system as an object class. The
corresponding information is included in the attributes of the channel class.
NOTE 2: The information about the signalling links of the BTS side (PCM port numbers and
timeslots in the BTS) is included in the attributes of Site Manager, BTS and Baseband
Transceiver classes. In GSM 12.20 the corresponding object classes have references
to LAPD links which are either O&M links (in Site Manager, bts or
basebandTransceiver) or telecom signalling links (only to basebandTransceiver).
4.1.3 Addressing Objects at the BTS Site and handling different BTS configurations
The BCF (Base Control Function) mentioned in GSM 08.52 and GSM 08.56 is the agent at the BTS end of
the A-bis Qx interface. There could be one or more of these agents at the site and the GSM 12.21 objects
and attributes that each agent can manage depend on the implementation. Each agent is connected to
the manager at the BSC via a LAPD link which is identified by a physical link address (i.e. PCM circuit and
(sub)timeslot), TEI (Terminal Endpoint Identifier) and SAPI (Service Access Point Identifier). In order to
address the various BTS objects over the A-bis Qx interface it is required that the BSC contain
associations between BTS related objects defined in GSM 12.20 and the agents (i.e. O&M links) that
manage the corresponding GSM 12.21 objects at the BTS site.
The procedures that relate to the A-bis interface management are optional in GSM 12.21 and therefore
not all the BTSs have to support them. However, it is required that these are implemented in the BSC so
that it can support all the BTS implementations that are made according to GSM 12.21. In this case the
BSC must have the information per each BTS whether the A-bis interface management option is
supported or not.
4.2 CMIP Operations
4.2.1 Creation of BTS related Object instances
The M-CREATE service is used by the OMC to request a peer CMISE-service-user (i.e., the agent) at the
BSC to create an object instance, complete with its identification. The corresponding physical resource
may or may not exist at the BTS site.
Normally the initialization of the physical resource via A-bis Qx interface will be started immediately after
the creation if the corresponding physical resource at the BTS site has been installed. Initialization might
include several steps, such as, setting up O&M (and telecommunications) signalling links, downloading
and activation of the software, setting various O&M attributes by GSM 12.21 messages and setting the
system information to be broadcasted from the BTS by GSM 08.58 procedures. Some of these steps are
not relevant for some object classes.

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