11.2.8a Attach for emergency bearer services / Rejected / No suitable cells in tracking area / Emergency call using the CS domain / CDMA2000 1xRTT

36.523-13GPPEvolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC)Part 1: Protocol conformance specificationRelease 17TSUser Equipment (UE) conformance specification

11.2.8a.1 Test Purpose (TP)

Same Test Purpose as in clause 11.2.8.1 except: UE establishes the emergency call using the CDMA2000 1xRTT as CS domain.

11.2.8a.2 Conformance requirements

Same conformance requirements as in clause 11.2.8.2. For the present TCs the CS domain shall be understood as the CDMA2000 1xRTT CS domain.

11.2.8a.3 Test description

11.2.8a.3.1 Pre-test conditions

System Simulator:

– Cell A is set to ”Serving cell”

– Cell 19 is set to ”Suitable Neighbour cell”

– System information combination 6 as defined in TS 36.508[18] clause 4.4.3.1 is used in E-UTRA cells.

– The SS broadcasts Emergency Call support in System Information Block 1 on Cell A.

UE:

– UE contains ISIM and USIM and CSIM applications on UICC.

Preamble:

– The UE is switched on and camped on cell A in EMM-DEREGISTERED.LIMITED-SERVICE state according to 36.508 [18]. This is achieved by the SS rejecting an attempt to attach with EMM cause = "Tracking area not allowed".

– The UE is not attached for emergency bearer services.

11.2.8a.3.2 Test procedure sequence

Table 11.2.8a.3.2-1: Main behaviour

St

Procedure

Message Sequence

TP

Verdict

U – S

Message

1

Steps 1 to 3 of the generic procedures in TS 36.508 subclause 4.5A.5.3 are performed on cell A.

2

The UE transmits an ATTACH REQUEST message to attach for emergency bearer services, together with a PDN CONNECTIVITY REQUEST message for emergency bearer services, on Cell A.

–>

ATTACH REQUEST

PDN CONNECTIVITY REQUEST

3

The SS transmits an ATTACH REJECT message,

EMM cause = “No suitable cells in tracking area”.

<–

ATTACH REJECT

4

The SS releases the RRC connection.

5

The SS reconfigures:

Cell A as a "Suitable cell",

Cell 19 as the "Serving cell".

6

Check: Does the UE transmit an Origination message on Cell 19 in the next [60] seconds?

–>

Origination

1

P

7

The SS transmits an Extended Channel Assignment message on Cell 19.

<–

Extended Channel Assignment

8

After the SS detects that Traffic Channel Initialization is successful, it transmits an Acknowledgement Order message on Cell 19.

<–

Acknowledgement Order

9

The SS transmits a Service Connect message on Cell 19.

<–

Service Connect

10

The UE transmits a Service Connect Completion message on Cell 19.

–>

Service Connect Completion

11.2.8a.3.3 Specific message contents

Table 11.2.8a.3.3-1: ATTACH REQUEST (Step 2, Table 11.2.8a.3.2-1)

Derivation Path: 36.508, Table 4.7.2-4

Information Element

Value/remark

Comment

Condition

EPS attach type

‘0110’B

EPS emergency attach

NAS key set identifier

NAS key set identifier

‘111’B

No key is available

EPS mobile identity

IMSI

Old location area identification

Not present

TMSI status

Not present

Table 11.2.8a.3.3-2: PDN CONNECTIVITY REQUEST (Step 2, Table 11.2.8a.3.2-1)

Derivation Path: 36.508, Table 4.7.3-20

Information Element

Value/remark

Comment

Condition

Request type

‘0100’B

emergency

Table 11.2.8a.3.3-3: ATTACH REJECT (Step 3, Table 11.2.8a.3.2-1)

Derivation Path: TS 36.508 Table 4.7.2-3

Information Element

Value/remark

Comment

Condition

EMM cause

0000 1111

#15 “No suitable cells in tracking area”

ESM message container

Not present

Table 11.2.8a.3.3-4: Origination (Step 6, Table 11.2.8a.3.2-1)

Field

Value/remark

Comment

Condition

MSG_ID

‘000100’B

Origination Message

this value shall be verified by TTCN

SPECIAL_SERVICE

‘1’B

SERVICE_OPTION

Any value mapping to a voice service option

Table 11.2.8a.3.3-5: Extended Channel Assignment (Step 7, Table 11.2.8a.3.2-1)

Field

Value/remark

Comment

Condition

MSG_ID

‘010101’B

Extended Channel Assignment Message

ASSIGN_MODE

‘000’B

Traffic Channel Assignment

Table 11.2.8a.3.3-6: Acknowledgment Order (Step 8, Table 11.2.8a.3.2-1)

Field

Value/remark

Comment

Condition

MSG_ID

‘00000001’B

Order Message

ORDER

‘010000’B

Base Station Acknowledgment Order

ORDQ

‘00000000’B

Table 11.2.8a.3.3-7: Service Connect (Step 9, Table 11.2.8a.3.2-1)

Field

Value/remark

Comment

Condition

MSG_ID

‘00010100’B

Service Connect Message

SERV_CON_SEQ

Set by SS

Table 11.2.8a.3.3-8: Service Connect Completion (Step 10, Table 11.2.8a.3.2-1)

Information Element

Value/remark

Comment

Condition

MSG_ID

‘00001110’B

Service Connect Completion Message

this value shall be verified by TTCN

SERV_CON_SEQ

Same value as SERV_CON_SEQ received in Service Connect Message (Table 11.2.8a.3.3-7