文档介绍：Log Analysis Series -- GAP
CONFIDENTIAL
SW1/L1C
T3G pany
2
Revision History
Version
Change Descriptions
Date
Editors
Draft Template
07/18/2009
Wang Qiuhui
Add GAP Part
07/27/2009
Liu Xuanbing
T3G pany
3
Approval
Name
Function
Dept.
Date
Content
Basic Flow Introduction
Check Points Introduction
Typical Issues Analysis
Others
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Part1
Basic Flow Introduction
CONFIDENTIAL
GAP Overview
GAP---Get Available PLMN
Initiation:
NAS requests RR to report all PLMNs currently available.
user request or;
A timer expiry in NAS
The periodic power campaign timer expires in Limited service mode
NAS asks RR to camp on a cell belonging to HPLMN
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GAP Overview
GAP Type (From Implementation)
GAP when LCR Camped
LCR GAP when LCR Camped;
GSM GAP when LCR Camped;
GAP when GSM Camped
LCR GAP when GSM Camped;
GSM GAP when GSM Camped;
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GAP Flow---GAP when LCR Camped
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GAP Flow---GAP when GSM Camped
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GAP Flow--- LCR GAP when LCR Camped
CPHY_DWPCH_DETECT_REQ(first time, returnAll = FALSE)
CPHY_DWPCH_DETECT_REQ(second time)
From this, the procedure is similar as ICS for L1C
CPHY_CELL_SYNC_REQ
CPHY_CELL_SYNC_IND
At most 3 cells and with 0xFF to indicate the end
CPHY_SIB_CONFIG_REQ
CPHY_SIB_SCHEDULE_REQ
General said, 1 means MIB, 2 means SB1
PHY_SIB_IND
Need Decode MIB, SIB1/3 to get the suitable information of the cell in the PLMN
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