Broadcast
7 Broadcast
“Broadcast” denotes the RBS resources used for transmission of
Synchronisation Information and System Information.
The RBS supports:
• Broadcast of Synchronisation Information on SCH and FCCH
• Broadcast of System Information 1, 2, 2bis, 2ter, 3 and 4 on
BCCH
• Broadcast of System Information 5, 5bis, 5ter and 6 on SACCH
• Broadcast of System Information 7 and 8 on BCCH Extended
Short message service cell broadcast is covered within the context of
Short Message Service.
7.1 References
/GSM:04.06/ GSM 04.06 (phase2) version 4.4.0
/GSM:04.08/ GSM 04.08 (phase2) version 4.10.1 and
Amendment Request A015r5
/GSM:05.02/ GSM 05.02 (phase2) version 4.4.2
/GSM:05.03/ GSM 05.03 (phase2) version 4.2.0
/GSM:05.10/ GSM 05.10 (phase2) version 4.5.0
/GSM:08.58/ GSM 08.58 (phase2) version 4.7.0 and
Amendment Request A006r1
Whenever a reference is made to a function described in another chapter,
please refer to the table of contents to find the appropriate chapter.
7.2 Concepts
BCCH Extended Paging, Immediate Assign and System
Information 7 and 8 may share the same
TDMA frame mapping, see /
GSM:05.02:6.5.1/ and /GSM:05.02:7:
table 3 of 5/
7.3 Functions
7.3.1 Broadcast of Synchronisation Information
Synchronisation bursts are transmitted on SCH and Frequency
Correction bursts are transmitted on FCCH.
The bursts are transmitted regularly, allowing attaching mobiles to
synchronise on the TDMA structure and on the timing of the cell.
Supported logical channels /GSM:05.02:3.3.2/:
FCCH Frequency Correction Channel
SCH Synchronisation Channel
EN/LZT 123 2697 R5A
1998-08-13
91 (306)
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