Reference Manual

Common Control Channel Handling
22 Common Control Channel Handling
"Common Control Channel Handling" denotes the RBS resources
utilised for traffic on the Common Control channel.
22.1 References
/GSM:04.08/
/GSM:08.58/
/GSM:05.02/
/GSM:05.03/
Whenever a reference is made to a function described in another chapter,
please refer to the table of contents to find the appropriate chapter.
22.2 Function
22.2.1 Paging
By means of the PAGING procedure /GSM:08.58:5.2/, the RBS pages
mobiles on command from the BSC. The RBS supports:
•
Reception, interpretation and check of PAGING_COMMANDs
from BSC
•
Queuing of IMSI and TMSI
• Scheduled transmission of PAGING_REQUEST messages on PCH
• Retransmission of PAGING_REQUEST messages on PCH
•
EMLPP priority information in the PAGING_REQUEST
Channel combinations /GSM:05.02:6.4/ supported:
•
(iv) FCCH+SCH+BCCH+CCCH
•
(v) FCCH+SCH+BCCH+CCCH+SDCCH/4(0..3)+SACCH/
C4(0..3)
PAGING_COMMAND messages from BSC with the following MS
IDENTITY (Id-type) are supported:
IMSI International Mobile Subscriber Identity
TMSI Temporary Mobile Subscriber Identity
IMSIs and TMSIs are queued for scheduled transmission on PCH. One
paging queue is supported for each paging group.
The following messages are used for scheduled transmission of IMSI
and TMSI is made with:
• PAGING_REQUEST_TYPE_1 /GSM:04.08:9.1.22/
• PAGING_REQUEST_TYPE_2 /GSM:04.08:9.1.23/
• PAGING_REQUEST_TYPE_3 /GSM:04.08:9.1.24/
For dequeuing, priority handling, selection of Page mode, transmission
and retransmission, see Section 22.2.4 on page 231.
EN/LZT 720 0008 P2A
2001-11-28
229 (485)
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