C.2 Messages

04.713GPPLocation Services (LCS)Mobile radio interface Layer 3 specificationRelease 1998TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

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