10.3.1 CN Information elements

25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS

10.3.1.1 CN domain identity

Identifies the type of core network domain.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

CN domain identity

MP

Enumerated (CS domain, PS domain)

10.3.1.2 CN Domain System Information

Information Element/Group name

Need

Multi

Type and reference

Semantics description

CN domain identity

MP

CN domain identity 10.3.1.1

CHOICE CN Type

MP

>GSM-MAP

>>CN domain specific NAS system information

MP

NAS system information (GSM-MAP) 10.3.1.9

>ANSI-41

>>CN domain specific NAS system information

MP

ANSI-41 NAS system information, 10.3.9.4

CN domain specific DRX cycle length coefficient

MP

CN domain specific DRX cycle length coefficient, 10.3.3.6

10.3.1.3 CN Information info

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

PLMN identity

OP

PLMN identity 10.3.1.11

CN common GSM-MAP NAS system information

OP

NAS system information (GSM-MAP) 10.3.1.9

CN domain related information

OP

1 to <maxCNdomains>

>CN domain identity

MP

CN domain identity 10.3.1.1

>CN domain specific GSM-MAP NAS system info

MP

NAS system information (GSM-MAP) 10.3.1.9

Primary PLMN identity

OP

PLMN identity 10.3.1.11

REL-6

10.3.1.3a CN Information info full

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

PLMN identity

OP

PLMN identity 10.3.1.11

CN common GSM-MAP NAS system information

OP

NAS system information (GSM-MAP) 10.3.1.9

CN domain related information

OP

1 to <maxCNdomains>

>CN domain identity

MP

CN domain identity 10.3.1.1

>CN domain specific GSM-MAP NAS system info

MP

NAS system information (GSM-MAP) 10.3.1.9

>CN domain specific DRX cycle length coefficient

MP

CN domain specific DRX cycle length coefficient, 10.3.3.6

Primary PLMN identity

OP

PLMN identity 10.3.1.11

REL-6

10.3.1.3b Domain Specific Access Restriction

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

CHOICE restriction status

MP

REL-6

>no restriction

(no data)

This means ‘no Access Class is barred’

REL-6

>restriction

REL-6

>>Domain Specific Access Class Barred List

MD

<MaxAC>

The first instance of the parameter corresponds to Access Class 0, the second to Access Class 1 and so on up to Access Class 15. UE reads this IE of its access class stored in SIM.

The default value is the IE "Access Class Barred list" contained in the IE "Cell Access Restriction" of the System Information Block Type 3.

REL-6

>>>Access Class Barred

MP

Enumerated(barred, not barred)

REL-6

10.3.1.3c Domain Specific Access Restriction Parameters

This IE specifies domain specific access class restriction parameters for CS and PS domain.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

CS Domain Specific Access Restriction

MP

Domain Specific Access Restriction

10.3.1.3b

This IE contains Domain Specific Access Restriction Parameters for CS domain.

REL-6

PS Domain Specific Access Restriction

MP

Domain Specific Access Restriction

10.3.1.3b

This IE contains Domain Specific Access Restriction Parameters for PS domain.

REL-6

10.3.1.3d Domain Specific EAB Parameters

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

CS Domain Specific EAB Parameters

OP

EAB Configuration

10.3.1.3e

This IE contains Domain Specific EAB Parameters for CS domain.

REL-11

PS Domain Specific EAB Parameters

OP

EAB Configuration

10.3.1.3e

This IE contains Domain Specific EAB Parameters for PS domain.

REL-11

Common EAB Parameters

CV-Common

EAB Configuration

10.3.1.3e

This IE contains Domain Specific EAB Parameters for both CS domain and PS domain.

REL-11

Condition

Explanation

Common

The IE is mandatory present if neither the IE "CS Domain Specific EAB Parameters" nor the IE "PS Domain Specific EAB Parameters" is present. Otherwise, the IE is not needed.

10.3.1.3e EAB Configuration

Information Element/ Group name

Need

Multi

Type and reference

Semantics description

Version

EAB Category

MP

Enumerated(a, b, c)

This IE identifies the category of UEs for which EAB applies. Value ‘a’ corresponds to all UEs, value ‘b’ corresponds to the UEs that are neither in their HPLMN nor in a PLMN that is equivalent to it, and value ‘c’ corresponds to the UEs that are neither in the PLMN listed as most preferred PLMN of the country where the UEs are roaming in the operator-defined PLMN selector list on the SIM, nor in their HPLMN nor in a PLMN that is equivalent to their HPLMN, see [75].

REL-11

EAB Access Class Barred List

MP

10

The first instance of this IE corresponds to Access Class 0, the second instance corresponds to Access Class 1, and so on up to Access Class 9. UE reads its Access Class stored in the SIM.

REL-11

>Access Class Barred

MP

Enumerated(barred, not barred)

REL-11

10.3.1.4 IMEI

This IE contains an International Mobile Equipment Identity. Setting specified in [11].

Information Element/Group name

Need

Multi

Type and reference

Semantics description

IMEI

MP

15

The first element contains the first IMEI digit, the second element the second IMEI digit and so on.

>IMEI digit

MP

INTEGER(0..15)

10.3.1.5 IMSI (GSM-MAP)

This IE contains an International Mobile Subscriber Identity, used towards a GSM-MAP type of PLMN. Setting specified in [11].

Information Element/Group name

Need

Multi

Type and reference

Semantics description

IMSI

MP

6 to 21

The first element contains the first IMSI digit, the second element the second IMSI digit and so on.

Although normally upto 15 digits are used for this IE, a bigger length is used to support future extension.

>IMSI digit

MP

INTEGER(0..9)

10.3.1.6 Intra Domain NAS Node Selector

This IE carries information to be used to route the establishment of a signalling connection to a CN node within a CN domain.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

CHOICE version

MP

>R99

This choice shall also be used by mobiles that are compliant to this version of the protocol

>>CHOICE CN type

MP

>>>GSM-MAP

>>>>CHOICE Routing basis

MP

>>>>>local (P)TMSI

TMSI allocated in the current LA or PTMSI allocated in the current RA

>>>>>>Routing parameter

MP

Bit string (10)

The TMSI/ PTMSI consists of 4 octets (32bits). This can be represented by a string of bits numbered from b0 to b31, with bit b0 being the least significant

The "Routing parameter" bit string consists of bits b14 through b23 of the TMSI/ PTMSI. The first/leftmost/most significant bit of the bit string contains bit b23 of the TMSI/PTMSI.

>>>>>(P)TMSI of same PLMN, different (RA)LA; or, PTMSI mapped from a valid GUTI allocated by same PLMN

TMSI allocated in another LA of this PLMN or PTMSI allocated in another RA this PLMN; or, PTMSI mapped from a valid GUTI [11] (GUTI allocated in same PLMN)

>>>>>>Routing parameter

MP

Bit string (10)

The TMSI/ PTMSI consists of 4 octets (32bits). This can be represented by a string of bits numbered from b0 to b31, with bit b0 being the least significant

The "Routing parameter" bit string consists of bits b14 through b23 of the TMSI/ PTMSI. The first/leftmost/most significant bit of the bit string contains bit b23 of the TMSI/ PTMSI.

>>>>>(P)TMSI of different PLMN; or, PTMSI mapped from a valid GUTI allocated by a different PLMN

TMSI or a PTMSI allocated in another PLMN; or, PTMSI mapped from a valid GUTI [11] (GUTI allocated in another PLMN)

>>>>>>Routing parameter

MP

Bit string (10)

The TMSI/ PTMSI consists of 4 octets (32bits). This can be represented by a string of bits numbered from b0 to b31, with bit b0 being the least significant.

The "Routing parameter" bit string consists of bits b14 through b23 of the TMSI/ PTMSI. The first/leftmost/most significant bit of the bit string contains bit b23 of the TMSI/ PTMSI.

>>>>>IMSI(response to IMSI paging)

NAS identity is IMSI

>>>>>>Routing parameter

MP

Bit string (10)

The "Routing parameter" bit string consists of DecimalToBinary [(IMSI div 10) mod 1000]. The first/leftmost bit of the bit string contains the most significant bit of the result.

>>>>>IMSI(cause UE initiated event)

NAS identity is IMSI

>>>>>>Routing parameter

MP

Bit string (10)

The "Routing parameter" bit string consists of DecimalToBinary [(IMSI div 10) mod 1000]. The first/leftmost bit of the bit string contains the most significant bit of the result.

>>>>>IMEI

NAS parameter is IMEI

>>>>>>Routing parameter

MP

Bit string (10)

The "Routing parameter" bit string consists of DecimalToBinary [(IMEI div 10) mod 1000]. The first/leftmost bit of the bit string contains the most significant bit of the result.

>>>>>Spare 1

Bit string (10)

This choice shall not be used in this version

>>>>>Spare 2

Bit string (10)

This choice shall not be used in this version

>>>ANSI-41

Bit string (14)

All bits shall be set to 0

>Later

Bit string(15)

This bit string shall not be sent by mobiles that are compliant to this version of the protocol.

10.3.1.7 Location Area Identification

Identifies uniquely a location area for a GSM-MAP type of PLMN. Setting specified in [5].

Information Element/Group name

Need

Multi

Type and reference

Semantics description

PLMN identity

MP

PLMN identity 10.3.1.11

LAC

MP

Bit string(16)

The first/leftmost bit of the bit string contains the most significant bit of the LAC..

10.3.1.7oa Location/Registration Parameters

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

CHOICE restriction status

MP

REL-8

>no restriction

(no data)

This means ‘no Access Class is barred’

REL-8

>restriction

REL-8

>>Location/Registration Access Class Barred List

MP

15

The first ten instance of the parameter corresponds to Access Class 0 to 9, and eleventh to fifteenth instance of the parameter corresponds to Access Class 11 to 15, respectively. UE reads this IE of its access class stored in SIM (except for Access Class 10).

REL-8

>>>Access Class Barred

MP

Enumerated(barred, not barred)

REL-8

10.3.1.7a Multiple PLMN List

This information element identifies the multiple Public Land Mobile Networks (for a GSM-MAP type of PLMN) of a cell in a shared network.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

MIB PLMN Identity

MP

Boolean

The PLMN identity IE 10.3.1.11, broadcasted in the MIB, shall be included in the multiple PLMN list if and only if this IE is TRUE.

REL-6

Multiple PLMNs

MP

1 to 5

REL-6

>PLMN identity with Optional MCC

PLMN identity with Optional MCC 10.3.1.11a

REL-6

10.3.1.8 NAS message

A non-access stratum message to be transferred transparently through UTRAN.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

NAS message

MP

Octet string (1..4095)

The first octet contains octet 1 [17] of the NAS message, the second octet contains octet 2 of the NAS message and so on.

10.3.1.9 NAS system information (GSM-MAP)

This information element contains system information that belongs to the non-access stratum for a GSM-MAP type of PLMN. This information is transparent to RRC. It may contain either information specific to one CN domain (CS or PS) or information common for both CN domains.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

GSM-MAP NAS system information

MP

Octet string(1..8 )

The first octet contains octet 1 [5] of the NAS system information element, the second octet contains octet 2 of the NAS system information element and so on.

10.3.1.10 Paging record type identifier

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Paging record type identifier

MP

Enumerated (IMSI (GSM-MAP), TMSI (GSM-MAP)/ P-TMSI, IMSI (DS-41), TMSI (DS-41))

10.3.1.10a Paging Permission with Access Control Parameters

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

Paging Response Restriction Indication

MP

Enumerated (All, CS, PS, None)

REL-8

Location/Registration Restriction Indicator

MP

Enumerated (All, CS, PS)

REL-8

Location/Registration

MP

Location /Registration Parameters 10.3.1.7oa

REL-8

10.3.1.11 PLMN identity

This information element identifies a Public Land Mobile Network for a GSM-MAP type of PLMN. Setting of digits is defined in [11].

Information Element/Group name

Need

Multi

Type and reference

Semantics description

MCC

MP

3

The first element contains the first MCC digit, the second element the second MCC digit and so on.

>MCC digit

MP

INTEGER(0..9)

MNC

MP

2 to 3

The first element contains the first MNC digit, the second element the second MNC digit and so on.

>MNC digit

MP

INTEGER(0..9)

10.3.1.11a PLMN identity with Optional MCC

This information element is a PLMN identity in subclause 10.3.1.11 where MCC is optional. It is used in a shared network and inserted in the Multiple PLMN List in subclause 10.3.1.7a.

Information Element/ Group name

Need

Multi

Type and reference

Semantics description

Version

MCC

MD

3

The first element contains the first MCC digit, the second element the second MCC digit and so on.

REL-6

>MCC digit

MP

Integer (0..9)

REL-6

MNC

MP

2 to 3

The first element contains the first MNC digit, the second element the second MNC digit and so on.

REL-6

>MNC digit

MP

Integer (0..9)

REL-6

10.3.1.12 PLMN Type

Identifies the type of Public Land Mobile Network (PLMN). This IE shall be used to control the interpretation of network dependent messages and information elements in the RRC protocol.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

PLMN Type

MP

Enumerated (GSM-MAP, ANSI-41, GSM-MAP and ANSI-41)

One spare value is needed.

10.3.1.13 P-TMSI (GSM-MAP)

This IE contains a Packet Temporary Mobile Subscriber Identity, used towards a GSM-MAP type of PLMN.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

P-TMSI

MP

Bit string (32)

Setting specified in [11]. The first/leftmost bit of the bit string contains the most significant bit of the P-TMSI.

10.3.1.14 RAB identity

This information element uniquely identifies a radio access bearer within a CN domain.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

CHOICE RAB identity type

MP

>RAB identity (GSM-MAP)

Bit string (8)

Formatted according to [5]. The first/leftmost bit of the bit string contains the most significant bit of the RAB identity.

In case of a radio bearer setup for an MBMS selected service, the RAB identity is set to the value reserved for ‘MBMS Broadcast mode’, see [5].

>RAB identity (ANSI-41)

Bit string (8)

The first/leftmost bit of the bit string contains the most significant bit of the RAB identity.

CHOICE NAS binding info type

Condition under which the given RAB identity type is chosen

RAB identity (GSM-MAP)

PLMN is of type GSM-MAP

RAB identity (ANSI-41)

PLMN is of type ANSI-41

10.3.1.15 Routing Area Code

Identifies a routing area within a location area for a GSM-MAP type of PLMN.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Routing Area Code

MP

Bit string(8)

Setting specified in [11]. The first/leftmost bit of the bit string contains the most significant bit of the Routing Area Code.

10.3.1.16 Routing Area Identification

Identifies uniquely a routing area for a GSM-MAP type of PLMN. Setting specified in [11].

Information Element/Group name

Need

Multi

Type and reference

Semantics description

LAI

MP

Location area identification 10.3.1.7

RAC

MP

Routing area code 10.3.1.15

10.3.1.17 TMSI (GSM-MAP)

This IE contains a Temporary Mobile Subscriber Identity, used towards a GSM-MAP type of PLMN.

Information Element/Group name

Need

Multi

Type and reference

Semantics description

TMSI (GSM-MAP)

MP

Bit string (32)

Setting specified in [11]. The first/leftmost bit of the bit string contains the most significant bit of the TMSI.

10.3.1.18 Specific ACDC Barring Information

Information Element/Group name

Need

Multi

Type and reference

Semantics description

Version

ACDC Barring

OP

1 to < maxNumAcdcCategory >

The first entry represents the ACDC category 1 and so on. 1 is the highest ranked ACDC category value and 16 is the lowest ranked ACDC category value, refer to [75]

REL-13

>CHOICE ACDC per Category

OP

>>ACDC-Barred

Enumerated (TRUE, FALSE)

Value of TRUE indicates access for this ACDC category is barred.

Value of FALSE indicates access for this ACDC category is not barred.

REL-13

>>ACDC-ACB-barringBitmap

Bit string(SIZE (10))

Bit 0 is the first/leftmost bit of the bit string.

Bit 0 corresponds to Access Class 0, bit 1 to Access Class 1 and so on up to Access Class 9. The value 1 of a bit indicates that the corresponding Access Class is blocked. The value 0 of a bit indicates that the corresponding Access Class is not blocked.

REL-13

>Expiration Time Factor 2

MD

Expiration Time Factor 2

10.3.3.12b

Default is 1.

REL-13

Note: Empty entry indicates the corresponding ACDC category is not configured in the SIB.