Ericsson RBS 2106 Reference Manual page 233

However, if more than one IA is sent in the same
IMMEDIATE_ASSIGNMENT_EXTENDED message on air interface,
the same number of IMMEDIATE_ASSIGNMENT_SENT messages
should be sent on Abis.
22.2.4 CCCH Dequeuing and Transmission
Downlink CCCH capacity is used for PAGING as well as for access
grant (IMMEDIATE ASSIGN).
The RBS supports:
•
•
•
•
•
•
Handling of Paging is covered in the section Paging above. Handling of
Immediate Assign is covered in section Immediate Assign above.
Supported Logical Channels /GSM:05.02:3.3.3/:
AGCH
PCH
Dequeuing and Scheduling
The RBS dequeues and transmits messages from the CCCH queue
system in the following order of priority, where a) has the highest
priority:
a) SYSTEM_INFORMATION
b) IMMEDIATE_ASSIGNMENT
•
•
c) IMMEDIATE_ASSIGNMENT_REJECT
•
d) IMMEDIATE_ASSIGNMENT for Paging Group
e) IMMEDIATE_ASSIGNMENT_REJECT for Paging Group
f) PAGING_REQUEST
If no messages are queued for transmission:
•
•
EN/LZT 720 0008 P2A
2001-11-28
Dequeuing and scheduling
Packing of messages
Selection of Page Mode
Retransmission of messages
Dummy paging
Transmission of system information 7, 8, 13, 16 and 17
/GSM:04.08:9.1.18/
/GSM:04.08:9.1.19/
/GSM:04.08:9.1.20/
IMSIs, TMSIs and IAs stored for retransmission (see section
Retransmission of Messages below) are sent at the same priority
level as described above.
If no messages are stored for retransmission, "Dummy Paging" is
used (see section Dummy Paging below).
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Common Control Channel Handling
Access Grant Channel
Paging Channel
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