ZTE Corporation ZXG-OB06 Manuale Utente
ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual
64
Confidential and Proprietary Information of ZTE CORPORATION
Broadcast Information 1 Change Procedure
The procedure of broadcast information 1 change is shown in Figure 54.
F
I G U R E
5 4
B
R O A D C A S T
I
N F O R M A T I O N
1 C
H A N G E
P
R O C E D U R E
MS
LAPDm
FURRM
HPIMan
LAPD
BSC
PAGCH
M
DL _ DATA_ IND (BCCH INFO)
(BCCH INFO)
M PH_
RRC m dToCHP (CHP
SET/ STOP BCCH
INFO)
(CHP SET CCCH
Para.)
(SYS INFOTYPE
1 /2/ 2bis /2 ter/3/4/ 7/8 )
(PAG SET CCCH Para.)
The BSC indicates to the OB06 that the new system messages (like (RR)
System Information Type 1/2/2bis/2ter 3/4/7/8) will be broadcast on the
System Information Type 1/2/2bis/2ter 3/4/7/8) will be broadcast on the
BCCH.
When the OB06 receives the BCCH INFO message, the FURRM module will
send the CHP SET BCCH INFORMATION message to the CHP if there is any
send the CHP SET BCCH INFORMATION message to the CHP if there is any
system message. Then, the CHP sends it to the MS. If there is no system
message, the FURRM module will send the CHP STOP BCCH INFORMATION
message, the FURRM module will send the CHP STOP BCCH INFORMATION
message to the CHP, indicating to stop sending these system messages to
the MS.
the MS.
For easy observation of the system message sending, the TRU panel of the
OB06 has a signal indicator marked as “MOD”.
OB06 has a signal indicator marked as “MOD”.
System Information Type 1 contains RACH control parameters and cell
configuration; System Information Type 2 contains RACH control
parameters and BCCH configuration of an adjacent cell; System
configuration; System Information Type 2 contains RACH control
parameters and BCCH configuration of an adjacent cell; System
Information Type 2bis and System Information Type 2ter are optional
messages, containing BCCH extension configuration of an adjacent cell;
messages, containing BCCH extension configuration of an adjacent cell;
System Information Type 3 contains information of other cells, such as
identifier of a location area and cell identity; System Information Type 4
identifier of a location area and cell identity; System Information Type 4
contains information of control over RACH, identifier of a location area and
cell identity; System Information Type 7 and System Information Type 8
cell identity; System Information Type 7 and System Information Type 8
contain parameters of cell reselection.
The FURRM extracts three parameters (BS_PA_MFRMS, BS_AG_BLKS_RES
and CCCH_CONF) from the Control Channel Description information unit of
and CCCH_CONF) from the Control Channel Description information unit of
the System Information Type 3 message, and sends them to the CHP and
PAGCHM modules.
PAGCHM modules.