User's Manual

CHAPTER 4. Message Flow

4-10

(Continued)

Classification Description

(9) The ACR receives the Path Registration Ack message and is notified of data path set

results.

(10) If an MS receives RNG-RSP, the MS transmits BW Request Header to notify the

system that the status is changed into the Awake Mode.

(11)~(12) As the mode is changed into the Awake Mode and new CID (Transport CID) is

assigned, new charging start message is notified to update the charging information

of the AAA server.

Changing from Idle Mode to Awake Mode

For the procedure that the MS status is changed from Idle Mode to Awake Mode

due to paging, refer to ‘4.1.5’.

4.1.4 Location Update

Inter-RAS Location Update

The following is the location update procedure when the MS moves to other paging group

in the same ACR.

Figure 4.7 Inter-RAS Location Update Procedure

Classification Description

(1) When the Idle Mode MS in the paging group 1 moves to the paging group 2, it

receives the PAG-ADV message and recognizes that the location has been

changed.

(2)~(3) The MS transmits the RNG-REQ message to a new RAS (RAS 2) including the MAC

address, the Location Update Request, and the Paging Controller ID and the RAS 2

transmits the Location Update Request message to the ACR.

RAS 1

(PG 1)

ACR

1) MOB-PAG_ADV

5) RNG-RSP

(Location Update Response)

RAS 2

(PG 2)

1) MOB-PAG_ADV

2) RNG-REG

(Location Update Request, Paging Controller ID)

3) LU Request

4) LU Response

6) CMAC_Key_Count_Update

7) CMAC_Key_Count_Update

8) LU Confirm Ack