9.1.31 System information type 1
3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS
This message is sent on the BCCH by the network to all mobile stations within the cell giving information of control of the RACH and of the cell allocation. See table 9.1.31.1. Special requirements for the transmission of this message apply, see 3GPP TS 45.002. This message has a L2 Pseudo Length of 21.
Message type: SYSTEM INFORMATION TYPE 1
Significance: dual
Direction: network to mobile station
Table 9.1.31.1: SYSTEM INFORMATION TYPE 1 message content
IEI |
Information element |
Type / Reference |
Presence |
Format |
length |
L2 pseudo length |
L2 pseudo length |
M |
V |
1 |
|
RR management Protocol Discriminator |
Protocol Discriminator |
M |
V |
1/2 |
|
Skip Indicator |
Skip Indicator |
M |
V |
1/2 |
|
System Information Type 1 Message Type |
Message Type |
M |
V |
1 |
|
Cell Channel Description |
Cell Channel Description |
M |
V |
16 |
|
RACH Control Parameter |
RACH Control Parameters |
M |
V |
3 |
|
SI 1 Rest Octets |
SI 1 Rest Octets |
M |
V |
1 |