9.1.33 System information type 2bis

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

This message is sent optionally on the BCCH by the network to all mobile stations within the cell giving information on control of the RACH and of the extension of the BCCH allocation in the neighbour cells. See table 9.1.33.1. Special requirements for the transmission of this message apply, see 3GPP TS 45.002.

A GSM 900 mobile station which only supports the primary GSM band P-GSM 900 (cf. 3GPP TS 45.005) may ignore this message, see sub-clause 3.2.2.1.

This message has a L2 pseudo length of 21.

Message type: SYSTEM INFORMATION TYPE 2bis

Significance: dual

Direction: network to mobile station

Table 9.1.33.1: SYSTEM INFORMATION TYPE 2bis 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 2bis Message Type

Message Type
10.4

M

V

1

Extended BCCH Frequency List

Neighbour Cell Description
10.5.2.22

M

V

16

RACH Control Parameters

RACH Control Parameters
10.5.2.29

M

V

3

SI 2bis Rest Octets

SI 2bis Rest Octets
10.5.2.33

M

V

1