ZTE Corporation ZXG-BTS2 Manuale Utente
Chapter 4 - System Functions
Confidential and Proprietary Information of ZTE CORPORATION 81
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R O C E D U R E O F
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H O R T
M
E S S A G E
C
E L L
B
R O A D C A S T
R
E Q U E S T
MS
LAPD
FURRM
HPIMa
LAPD
BSC
OAMM
DL_ DATA_IND (SMS
BROADCAST REQ)
(SMS
BROAD-CAST
REQ)
CBCH block n
MPH_CBCHMsgT
oCHP
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O M M A N D
MS
LAPD
FURRM
HPIMa
LAPD
BSC
OAMM
DL_ DATA_IND (SMS
BROADCAST CMD)
(SMS BROAD-CAST CMD)
MPH_CBCHMsgBlkToCHP
CBCH page
The BSC sends the Short Message Service Cell Broadcast messages to the
BTS.
BTS.
These messages are sent by the BSC to the BTS with the SMS
BROADCAST REQ or SMS BROADCAST CMD message. In these two
BROADCAST REQ or SMS BROADCAST CMD message. In these two
messages, the BSC considers the CBCH capacity and then queues, repeats
and transmits the messages. The BSC also splits the SMS Cell Broadcast
and transmits the messages. The BSC also splits the SMS Cell Broadcast
message on the air interface. The difference between the two messages is
that, the SMS BROADCAST CMD message can request broadcasting of a
that, the SMS BROADCAST CMD message can request broadcasting of a
complete cell broadcast message (sent in every message by pages) and
the BTS splits it into blocks. For the SMS BROADCAST REQ message, it has
been split by the BSC, 23 bytes per block.
the BTS splits it into blocks. For the SMS BROADCAST REQ message, it has
been split by the BSC, 23 bytes per block.
With the SMS BROADCAST CMD message, the BSC can set the BTS
broadcast to the default mode. When there are no other messages to be
broadcast to the default mode. When there are no other messages to be
broadcast in this mode, the BTS will send a default message.
Broadcast Information 1 Change Procedure
The procedure of broadcast information 1 change is shown in Figure 63.