Samsung Mobile WiMAX Outdoor RAS SPI-2331, Описание системы

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Mobile WiMAX Outdoor RAS SPI-2331 System Description/Ed.02
© SAMSUNG Electronics Co., Ltd. 4-7
4.1.3 Status Change
Awake Mode
Æ
Idle Mode
If the data traffic is not transmitted/received for a certain time, the status of MS is changed
from the Awake Mode to the Idle Mode.
Sleep Mode
Æ
Idle Mode Change
The MS of the Sleep Mode is not changed into the Idle Mode, immediately.
Before being changed from the Sleep Mode into the Idle Mode, the MS is changed
to the Awake Mode, first, and then, after requesting DREG, it is changed into the
Idle Mode.
The deregistration procedure to be changed into the Idle Mode is divided into the MS-
initiated Idle Mode change and the Network-initiated Idle Mode change, and the following
indicates the procedure of the MS-initiated Idle Mode change.
Figure 4.4 Awake Mode
Æ
Idle Mode Status Change Procedure
Classification Description
(1) When the MS is changed into the Idle Mode, it creates the DREG-REQ message
and transmits it to the RAS, and the value of the De-Registration Request Code
field is set as 0x01.
(2)~(5) The RAS creates the IM_Entry_State_Change_Req message including the context
information of the MS and transmits it to the ACR(Paging Controller), and the ACR
creates the IM_Entry_State_Change_Rsp message including the Action
Code(0x05), the paging information(PAGING_CYCLE, PAGING_OFFSET) and the
Idle Mode Retain Flag and transmits the message to the RAS.
The RAS transmits the DREG-CMD including the received information to the MS.
MS RAS ACR
4) DREG-CMD
1) DREG-REQ
(Code=0x01, Paging Cycle Request)
2) IM_Entry_State_Change_Req
3) IM_Entry_State_Change_Rsp
(ActionCode, Paging Controller ID, Paging Information)
6) Path_Dereg_Req
7) Path_Dereg_Rsp
8) Path_Dereg_Ack
AAA
9) ACR
10) ACA
5) IM_Entry_State_Change_Ack