C.2 Messages
04.713GPPLocation Services (LCS)Mobile radio interface Layer 3 specificationRelease 1998TS
The messages below are considered to be transported between the SMLC and the LMU.
C.2.1 Status Query Message
The Status Query is a message from the SMLC to the LMU. It contains the following information elements.
Table C.1: Status Query message content
Information element | Type/Reference | Presence |
Message Type | Message Type C.2.1.1.1 | M |
C.2.1.1 Status Query Message Information Elements
C.2.1.1.1 Message Type IE
This IE contains the type of the message. This IE is mandatory.
C.2.2 Status Query Result Message
The Status Query Result is a message from the LMU to the SMLC. It contains the following information elements.
Table C.2: Status Query Result message content
Information element | Type/Reference | Presence |
Message Type | Message Type 5.2.1.1 | M |
Time | Time C.2.2.1.2 | M |
RIT Status | RIT Status C.2.2.1.3 | M |
TOA Status | TOA Status C.2.2.1.4 | M |
O&M Status | O&M Status C.2.2.1.5 | M |
C.2.2.1 Status Query Result Message Information Elements
C.2.2.1.1 Message Type IE
This IE contains the type of the message. This IE is mandatory.
C.2.2.1.2 Time IE
This IE contains the time stamp for this message. This IE is mandatory, and it contains the following fields:
Reference LAC
This field indicates the Location Area Code of the reference BTS. The purpose of the Location Area Code is to identify a location area.
Range: 0 – 65535
Reference CI
This field indicates the Cell Identity value of the reference BTS. The purpose of the Cell Identity value is to identify a cell within a location area.
Range: 0 – 65535
Reference Frame Number
This field indicates the frame number of the last measured burst from the reference BTS.
Range: 0 – 2715647
C.2.2.1.3 RIT Status IE
The purpose of the RIT Status IE is to inform the SMLC about the status of on-going RIT related activity. This IE is mandatory, and it contains the following fields:
RIT Jobs
This field indicates the number of on-going RIT related jobs, i.e. the number of neighbor BTSs that are tried to be measured. Notice that 0 means that no RIT related activity is on-going.
Range: 0 – 63
C.2.2.1.4 TOA Status IE
The purpose of the TOA Status IE is to inform the SMLC about the status of on-going TOA related activity. This IE is mandatory, and it contains the following fields:
TOA Jobs
This field indicates the number of on-going TOA related jobs, i.e. the number of MSs that are tried to be measured. Notice that 0 means that no TOA related activity is on-going.
Range: 0 – 63
C.2.2.1.5 O&M Status IE
The purpose of the O&M Status IE is to inform the SMLC about the status of on-going O&M related activity. This IE is mandatory, and it contains the following fields:
O&M Jobs
This field indicates the number of on-going O&M related jobs.
Range: 0 – 63
C.2.3 Status Update Message
The Status Update is a message from the LMU to the SMLC. It contains the following information elements.
Table C.3: Status Response message content
Information element | Type/Reference | Presence |
Message Type | Message Type C.2.3.1.1 | M |
Reason for Status Update | Reason for Status Update C.2.3.1.2 | M |
Time | Time C.2.2.1.2 | M |
RIT Status | RIT Status C.2.2.1.3 | M |
TOA Status | TOA Status C.2.2.1.4 | M |
O&M Status | O&M Status C.2.2.1.5 | M |
C.2.3.1 Status Update Message Information Elements
C.2.3.1.1 Message Type IE
This IE contains the type of the message. This IE is mandatory.
C.2.3.1.2 Reason for Status Update IE
This IE contains the reason for sending this Status Update Message. This IE is mandatory, and it contains the following fields:
Reason Code
This field indicates Reason code for sending this Status Update Message.
‘0’: power up (no knowledge about previous states)
‘1’: SW reset, unsuccessful recovery
‘2’: SW reset, successful recovery
‘3’: unknown selfdiagnosis error
‘4’: unreliable timebase error
‘5’: periodic status report, normal operation
Annex D (informative):
Change History
Meeting# | CR | Rev | Subject/Comment | New Version |
---|---|---|---|---|
SMG#29 | Approved at SMG#29 as Release 98 | 7.0.0 | ||
SMG#30bis | A001 | Addition of further LCS functionality in GSM Release 98 | 7.1.1 | |
SMG#32 | A003 | Modifications to O&M operations to adapt to 3GPP TS 12.71 and some minor editorial corrections | 7.2.0 | |
GP-05 | A005 | 2 | Modifications of quality information | 7.3.0 |
GP-05 | A009 | 1 | ASN.1 References update | 7.3.0 |
GP-07 | A011 | Correction of Reporting Period range IE in RIT Measurement Request message | 7.4.0 | |
GP-07 | A015 | Correction of inconsistent text information in Location Service Message type IE | 7.4.0 | |
GP-10 | A017 | Remove ambiguity on encoding of all LLP components | 7.5.0 |