9.1.43j System information type 15

3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS

This message is sent optionally on the BCCH by the network to all mobile stations within the cell giving information about dynamic ARFCN mapping. It allows to allocate ARFCN values and dynamically map them to physical frequencies, see 3GPP TS 45.005. Multiple instances of this message may be sent by the network. Special requirements for the transmission of this message apply on BCCH, see 3GPP TS 45.002.

This message has a L2 pseudo length of 1

Message type: SYSTEM INFORMATION TYPE 15

Significance: dual

Direction: network to mobile station

Table 9.1.43j.1: SYSTEM INFORMATION 15 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 15 Message Type	Message Type 10.4	M	V	1
	SI 15 Rest Octets	SI 15 Rest Octets 10.5.2.37k	M	V	20