Digital cellular telecommunictions system (Phase 2) GSM Edition September 1997
EUROPEAN TELECOMMUNICATION STANDARD ETS 300267
__________
Extracts:
The facility may be used by subscriber administration and network management for subscriber observation e.g., following a customer complaint or on suspicion of equipment malfunction by the operator or at the request of the police.
Equipment trace: the management function Activate Equipment Trace in one or more
VLR more VLR in the HPLLMN.
The trace must be activated in all VLRs controlling areas
where it is required to trace the target IMEI.
The trace records are sent from the recording NEF to the OSF
by the deployed event reporting mechanism.
Deactivated Foreign Subscriber Trace: function Delete tracedForeignSubscriberInVlr
The OMC creates a traceEquipmentInVlr object instance in the VLR(s) for the areas to be monitored.
Invoking Events: Location updates
MSC Trace Record Content: Location: A list of Location Area Codes/Cell Ids used during the compilation of the trace records starting with the identity of cell in which the invoking event originated or terminated, each time stamped.
BSS Trace Record Content: Target Cell list: The target cells at the start of each handhover attempt, each time stamped.
Trace Record Transfert: event report function (CCITT X.734[14]) +
log control function (CCITT X.735[15])
The trace control function collects traceable events within the NEF and formats them into trace records.
These trace records may be stored locally within the NEF filestore or in the form of event reports.
administrativeState: Recommandation X.731[16]
Log control: This function permits the trace record to be stored and retrieved from logs
within the NEF (X.735[15]). No additional management functions are required.
Log access: Get/Delete traceLogEntry
Event reporting
Trace log record: "eventLogRecord" (X.721)
Object classes: REGISTERED AS {Trace-Data Types.gsm-1208-package 600}
mscBss TraceTypeLogBehavior BEHAVIOR
Syntax: AOCparameters, Diagnostics, LocationAreaAndCell
traceLogRecord-Log Name Binding
-----------------------------------------------
TRACE RECORDS
-----------------------------------------------
TraceRecord ::=SE
traceParty
traceReference
mscBsstraceTypeUsed
hlrtraceTypeUsed
recordingEntity
traceEventRecords
recordReason
TargetCEllList ::=OCTECT STRING
TimedLocation ::= SEQUENCE
LocationAreaAndCell [0] Location AreaAndCell
[1] TimerData
Select Active Cell
MSC TRACE RECORD CONTENTS: MSCEventRecord: MSCInvokingEvent
callingcalledNumber
location: Timed of Location
recordExtensions
HLR TRACE RECORD CONTENTS: HLRInvokingEvent: locationChange (0)
-----------------------------------------------------------------
Résolution européenne de la localisation GSM