User Manual
Airbridge cBTS3612 CDMA Base Station
System Description
5 System Configuration
5-19
TX1_IN
TX2_IN
Main_ ANT
Div._ ANT
Main_RX_OUT
Div._RX_OUT
FWDCPL_OUT
REVCPL_OUT
CDU
A_Main_RX_IN
A_Div._RX_IN
A_FWDCPL_IN
A_REVCPL_IN
B_Main_RX_IN
B_Div._RX_IN
B_FWDCPL_IN
B_REVCPL_IN
A_Rm1
A_Rm2
A_Rm3/B_Rm1
A_Rm4/B_Rm2
A_Rd1
A_Rd2
A_Rd3/B_Rd1
A_Rd4/B_Rd2
RLDU
Mode("0")
TX1_IN
TX2_IN
Main_ ANT
Div._ ANT
Main_RX_OUT
Div._RX_OUT
FWDCPL_OUT
REVCPL_OUT
CDU
BHPA
PA_IN
PA_OUT
BHPA
PA_IN
PA_OUT
BHPA
PA_IN
PA_OUT
BHPA
PA_IN
PA_OUT
BTRM
TX_RFm
RX_RFm
RX_RFd
BRCM
BIFM
TX_RFd
BTRM
TX_RFm
RX_RFm
RX_RFd
BRCM
BIFM
TX_RFd
BTRM
TX_RFm
RX_RFm
RX_RFd
BRCM
BIFM
TX_RFd
BTRM
TX_RFm
RX_RFm
RX_RFd
BRCM
BIFM
TX_RFd
Figure 5-18
Logic connection of one-sector RF modules for S(4/4/4) configuration
IV. S(2/2/2/2/2/2) Configuration
The following is the configuration of Type S(2/2/2/2/2/2) (i.e.: 2 carriers x 6 sectors):
l
1 BCIM, 2 BRDMs, 1-2 BCKMs, and BCPM can be configured according to
actual requirement.
l
5 power supply modules.
l
2 unipolarization directional antennas or 1 bipolarization directional antenna for
each sector.
l
The configuration of the RF modules is shown in Figure 5-19.
l
Logic connection of RF modules of two-sector is shown in Figure 5-20.