9.1.24 Paging request type 3

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

This message is sent on the CCCH by the network to four mobile stations. It may be sent to a mobile station in idle mode to trigger channel access. It may be sent to a mobile station in packet idle mode to transfer MM information (i.e. trigger of cell update procedure). The mobile stations are identified by their TMSIs/P-TMSIs. See table 9.1.24.1.

This message has a L2 Pseudo Length of 19.

Message type: PAGING REQUEST TYPE 3

Significance: dual

Direction: network to mobile station

Table 9.1.24.1: PAGING REQUEST TYPE 3 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
	Paging Request Type 3 Message Type	Message Type 10.4	M	V	1
	Page Mode	Page Mode 10.5.2.26	M	V	1/2
	Channels Needed for Mobiles 1 and 2	Channel Needed 10.5.2.8	M	V	1/2
	Mobile Identity 1	TMSI/P-TMSI 10.5.2.42	M	V	4
	Mobile Identity 2	TMSI/P-TMSI 10.5.2.42	M	V	4
	Mobile Identity 3	TMSI/P-TMSI 10.5.2.42	M	V	4
	Mobile Identity 4	TMSI/P-TMSI 10.5.2.42	M	V	4
	P3 Rest Octets	P3 Rest Octets 10.5.2.25	M	V	3

9.1.24.1 Channels needed for Mobiles 1 and 2

The first CHANNEL field of Channel Needed IE is associated with Mobile Identity 1. The second CHANNEL field of Channel Needed IE is associated with Mobile Identity 2.

If this message is used in the packet paging procedure, the Channel Needed IE associated with the corresponding Mobile Identity 1 or 2 shall be coded with the value 00 (any channel) by the network. The mobile station receiving a packet paging request shall treat this information element as unnecessary in the message.

9.1.24.2 P3 Rest Octets

This IE contains the channel needed indication related to the paging of Mobile Identity 3 and 4. The treatment of these indications in the case this message is used in a packet paging procedure is specified in sub-clause 9.1.24.1.

This IE may further contain a notification list number field and/or, referring to each one of the Mobile Identity 1, 2, 3 and 4 IEs, a Priority 1, 2, 3 and 4 field.