9.1.43k System information Type 13alt

3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 16TS

This message is sent on the BCCH if indicated in the SYSTEM INFORMATION TYPE 3 message. The message is sent by the network to provide information related to Iu mode in the cell. See table 9.1.43k.1. Special requirements for the transmission of this message apply, see 3GPP TS 45.002.

A mobile station not supporting GERAN Iu mode shall treat this message as an unknown message type.

The L2 Pseudo Length of this message has the value 0.

Message type: SYSTEM INFORMATION TYPE 13alt

Significance: dual

Direction: network to mobile station

Table 9.1.43k.1: SYSTEM INFORMATION TYPE 13alt message content

IEI

Information element

Type / Reference

Presence

Format

length

L2 Pseudo Length

L2 Pseudo Length
10.5.2.19

M

V

1

RR management Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

System Information Type 13alt Message Type

Message Type
10.4

M

V

1

SI 13alt Rest Octets

SI 13 Rest Octets
10.5.2.37l

M

V

20

9.1.43m System information type 21

This message is sent optionally on the BCCH by the network to provide the list of EAB specific authorized access classes and an indication of the subcategory of mobile stations targeted by EAB (see also 3GPP TS 22.011). Multiple instances of this message may be sent by the network. Special requirements for the transmission of this message apply, see 3GPP TS 45.002.

This message has a L2 pseudo length of 2.

Message type: SYSTEM INFORMATION TYPE 21

Significance: dual

Direction: network to mobile station

Table 9.1.43m.1: SYSTEM INFORMATION TYPE 21 message content

IEI

Information element

Type / Reference

Presence

Format

length

L2 Pseudo Length

L2 Pseudo Length
10.5.2.19

M

V

1

RR management Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

System Information Type 21 Message Type

Message Type
10.4

M

V

1

SI 21 Rest Octets

SI 21 Rest Octets
10.5.2.37m

M

V

20

9.1.43n System information type 22

This message is sent on the BCCH if indicated in the SYSTEM INFORMATION TYPE 3 message. It is sent by the network, giving information about network sharing and domain-specific access control. Multiple instances of this message may be sent by the network. Special requirements for the transmission of this message apply, see 3GPP TS 45.002.

This message has a L2 pseudo length of 2.

Message type: SYSTEM INFORMATION TYPE 22

Significance: dual

Direction: network to mobile station

Table 9.1.43m.1: SYSTEM INFORMATION TYPE 22 message content

IEI

Information element

Type / Reference

Presence

Format

length

L2 Pseudo Length

L2 Pseudo Length
10.5.2.19

M

V

1

RR management Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

System Information Type 22 Message Type

Message Type
10.4

M

V

1

SI 22 Rest Octets

SI 22 Rest Octets
10.5.2.37n

M

V

20

9.1.43o System information type 23

This message is sent on the BCCH if indicated in the SYSTEM INFORMATION TYPE 22 message. It is sent by the network when network sharing is in use in a cell, providing PLMN-specific information about UTRAN/E-UTRAN frequencies related to inter RAT cell reselection. Multiple instances of this message may be sent by the network. Special requirements for the transmission of this message apply, see 3GPP TS 45.002.

This message has a L2 pseudo length of 2.

Message type: SYSTEM INFORMATION TYPE 23

Significance: dual

Direction: network to mobile station

Table 9.1.43o.1: SYSTEM INFORMATION TYPE 23 message content

IEI

Information element

Type / Reference

Presence

Format

length

L2 Pseudo Length

L2 Pseudo Length
10.5.2.19

M

V

1

RR management Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

System Information Type 23 Message Type

Message Type
10.4

M

V

1

SI 23 Rest Octets

SI 23 Rest Octets
10.5.2.37o

M

V

20