User's Manual

Mobile WiMAX Outdoor RAS SPI-2210 System Description/Ed.05

4.1.7 Access Termination

Access Termination (Awake Mode)

The following is the procedure that the access is terminated because the power of the

Awake Mode MS is turned off.

Figure 4.14 Access Termination (Awake Mode)

Classification Description

(1)~(3) If the power of the Awake Mode MS is turned off, the MS transmits the DREG-

REQ message including ‘Deregistration code=0’ to the RAS, and the RAS notifies

the ACR of this.

(4) ACR release the MIP related information with HA.

(5)~(6) The ACR notifies the RAS of the result of power down processing, and release

the data path.

(7)~(10) The S-ACR updates the information on interworking with the AAA server and the

final accounting information of MS. Diameter is applied to AAA protocol, S-ACR

performs the session termination procedure. However, when the RADIUS

protocol is used, only the Accounting Request stop and Accounting Response

stop operations are performed, and the STR/STA procedure is omitted.

1) DREG-REQ

(ReqCode: 0)

3) Path Deregistration Request

2) DREG-CMD

(ActionCode: 4)

(Power Down Indication)

5) Path Deregistration Response

6) Path Deregistration Ack

9) Diameter: STR

10) Diameter: STA

4) MIP release

7) Diameter: ACR/RADIUS: Accounting Request

8) Diameter: ACA/RADIUS: Accounting Response

MS RAS ACR

AAA