Download - 01-Cdma2000 Bts3606 Hardware System Issue2.0
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ORF00102 CDMA 1X BTS3606 Hardware System
ORF00102 CDMA 1X BTS3606 Hardware System
Mobile Network Curriculum
Development Section
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OverviewOverview
Internet
PSTN/ISDN
PLMNA3/A7
A1/A2
A10/A11
Abis
A1/A
2
BSC/PCF
BSC/PCF
MS
Abis
Abis
BSS CN
BTS
Abis
BTS
BTS
BTS
BTS
BTS
ODU
ODU
ODU
ODU
MS
BTS3601C/ODU3601C BTS3606 cBTS3612BTS3612A
Optical fiber
MS
Mobile NetworkManagement System
Packet DomainNetwork Equipment
Circuit DomainNetwork Equipment
Internet
PSTN/ISDN
PLMNPLMNPLMNA3/A7
A1/A2
A10/A11
Abis
A1/A
2
BSC/PCF
BSC/PCF
MSMS
Abis
Abis
BSS CN
BTS
Abis
BTSBTS
BTSBTS
BTSBTS
BTSBTS
BTSBTS
ODUODU
ODUODU
ODUODU
ODUODU
MSMS
BTS3601C/ODU3601C BTS3606 cBTS3612BTS3612A
Optical fiber
MSMS
Mobile NetworkManagement System
Packet DomainNetwork Equipment
Circuit DomainNetwork Equipment
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ObjectivesObjectives
BTS3606 system and structure.
Function of all BTS3606 boards.
Antenna & Feeder system
Networking configuration
At the end of this presentation, you will be familiar with:
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Course ContentsCourse Contents
Chapter 1 System Overview
Chapter 2 Structure & Board
Chapter 3 Networking
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Technical Features of BTS3606A Technical Features of BTS3606A
Support both the CDMA2000 1X and 1xEV-DO
standards.
•Support CDMA2000 1X / 1xEV-DO hybrid networking. The ratio of CDMA2000 1X and CDMA2000 1xEV-DO carriers is flexible.
•Allow mixed configuration of single-channel and multi-channel transceiver modules.
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Technical Features of BTS3606A Technical Features of BTS3606A
•Support the mixed insertion of different-band
carriers in the same cabinet.
• The BTS3606A can be cascaded with the
ODU3601C to expand the coverage area of radio
network flexibly.
•The maximum average transmit power is 25
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BTS3606 SpecificationsBTS3606 Specifications
Cabinet dimensions (Height x Width x Depth)
1400 mm x 600 mm x 650 mm
Power supply-48 V DC (ranging from-40 V DC to -60 V DC)
+24 V DC ( ranging from +21 V DC to +29 V DC )
Weight 250 kg
Power consumption 3400 W
Ambient temperature -5 C to 50 C
Relative humidity 5% to 90%
Equipment room noise 70 dBA (The noise varies with the ambient temperature)
Reliability
Availability 99.999%
MTBF 100000 h
MTTR 1 h
Mean Time Between Failures
Mean Time To Repair
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BTS3606 CapacityBTS3606 Capacity
IS-95 CDMA20001X CDMA20001X-EV-DO
Number of subscribers
supported by 1 carrier
20 40 48
Maximum reverse
channel capacity of one
carrier
128
channels
128 channels 64 channels
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Course ContentsCourse Contents
Chapter 1 System Overview
Chapter 2 Structure & Board
Chapter 3 Networking
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Chapter 2 Structure & Board Chapter 2 Structure & Board
2.1 Hardware Construct2.1 Hardware Construct
2.2 Baseband Subsystem
2.3 Radio Frequency Subsystem
2.4 Antenna & Feeder Subsystem
2.5 Power Supply Subsystem
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BTS3606 CabinetBTS3606 Cabinet
(1) CDDU Subrack
(2) Switch Box
(3)Fan Box
(4)Combined Subrack
(5) Cable Trough
(6)Power Supply Subrack
(7)Tool Kit
PSU
C
DDU
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
C
D
DU
C
D
DU
PSU
PSU
CCP
M
CCP
M
BCK
M
CCP
M
CCI
M
C
CP
M
C
CP
M
B
CK
M
C
CP
M
Tool Kit
Switch Box
Cable Trough
Fan Box
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BTS3606 Logic StructureBTS3606 Logic Structure
BSC
Basebandsubsystem
Power supplysubsystem
RFsubsystem
Abisinterface
Uminterface
MSAntenna & feeder
subsystem
-48V/+24V
BTS3606
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Chapter 2 Structure & Board Chapter 2 Structure & Board
2.1 Hardware Construct
2.2 Baseband Subsystem2.2 Baseband Subsystem
2.3 Radio Frequency Subsystem
2.4 Antenna & Feeder Subsystem
2.5 Power Supply Subsystem
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BTS3606 Baseband SubsystemBTS3606 Baseband Subsystem
BCIM: BTS Control
Interface Module
CCPM: Compact-BTS
Channel Process Module
BCKM: BTS Control and
Clock Module
PSU
C
DDU
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
CH
PA
CT
RM
C
D
DU
C
D
DU
PSU
PSU
C
CPM
C
CPM
B
CKM
C
CPM
C
CI
M
CCP
M
CCP
M
BCK
M
CCP
M
CCPM
4
CCPM
2
CCPM
0
BCKM
0
BCI
M
0
CCPM
5
CCPM
3
CCPM
1
BCKM
1
NULL
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Baseband Functional DiagramBaseband Functional Diagram
BCIM
BCKM
E1/T1BSC
BCPM
...
Cloc
k bu
s
Back
plan
e bu
sOther funcitonal
units of the system
Optical inerface
Electric interface
ODU3601C
CTRMSatellite signal
receiving antenna
BCKM
BCIM
...10 MHz clock cable
CCPMHPCM(Optional)
Test equipment10MHz
1PPS
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BCKM’s FunctionsBCKM’s Functions
Call procedure control
Signaling processing
Channel management
Resource management
Cell configuration
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Notice:Notice:
BCKMBCKM
When GPS, GLONASS or external synchronous
1PPS Signals are activated, the clock is in the
normal running mode.
When GPS, GLONASS or external synchronous
1PPS fails, the local clock is in the holdover mode.
Under this state the system can run normally for
more than 8 hours.
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Active/Standby RunningActive/Standby Running
BCKMBCKM
When fault occurs in the active BCKM, then the
services will switch over to the standby BCKM under the
control of the related software or automatically. In
following three cases this switching is occurred: A. Abnormality in CLK leads to BCKM switchover.
B. Abnormality in MPU leads to BCKM switchover.
C. The hardware failure and damage of important devices of
the board lead to BCKM switchover.
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BCKM FacetBCKM Facet
BCKMBCKM
GPS/GLONASS antenna port
ETH (Ethernet interface). A
user can login BTS3606 for
operation and maintenance
by telnet.
Normal status:Status (RUN) Indicator: flashes slowlyAlarm (ALM) indicator: OFFOperation (ACT) indicator: ON
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BCIM’s FunctionsBCIM’s Functions
Providing multiple E1/T1 links
Realizing the IMA/UNI protocol
Support ATM over Fractional E1/T1
Support 8E1
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IMA ModuleIMA Module
IMA
E1 Interface
E1 Interface
E1 Interface
E1 Interface
E1
E1
E1
IMA
E1 Interface
E1 Interface
E1 Interface
E1 Interface
ATMCell FLOW…
...
11
1
42
2
5 33
3 15 1
4
4Specific
bandwidth
1 1 1 1
4
223 3 3
1 1
4
Specificbandwidth
E1 LinkE1 linkE1 linkE1 link
E1 in fixed time slot mode
IMA ( Inverse Multiplexing on
ATM)
4 4
4
16
6
6
77
77
BCIMBCIM
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Functional DiagramFunctional Diagram
BESPBESP
8 E1s
4 E1s
4 E1s
Inte
rface
DB
37
BSCInterfaceDB25
Inte
rfac
eD
B2
5
BESP
BSC
BCIM
...
...
Level-1 Level-2
protection
PGND
Level-1 protection
Level-2 protection
PGND
Level-1 Level-2
protection
PGND
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BCIMBCIM
Normal status:Status (RUN) Indicator: flashes slowlyAlarm (ALM) indicator: OFFOperation (ACT) indicator: ON
BCIM facetBCIM facet
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CCPM’s FunctionsCCPM’s Functions
In the forward direction, the CCPM completes the following functions:
Encoding (including convolutional code and turbo code)
Interleaving
Spreading
Modulating
Data multiplexing
In the reverse direction, the CCPM completes the following functions:
Decoding
De-interleaving
De-spreading
Demodulating
Data demultiplexing
Connect to ODU3601C by optical port
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Chapter 2 Structure & Board Chapter 2 Structure & Board
2.1 Hardware Construct
2.2 Baseband Subsystem
2.3 Radio Frequency Subsystem2.3 Radio Frequency Subsystem
2.4 Antenna & Feeder Subsystem
2.5 Power Supply Subsystem
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Structure of RF subsystemStructure of RF subsystem
CDDU:Compact-BTS Dual D
uplexer UniT
CTRM: Compact-BTS Trans
ceiver Module
CFMM:Compact-BTS Fan Mo
nitor Module
CHPA:Compact-BTS High po
wer Amplifier
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CHPA
CHPA
CTRM
CTRM
1 3 5
0 2 4
CFMM
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CHPA
CTRM
CDDU
CDDU
CDDU
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RF Functional DiagramRF Functional Diagram
TX1
RX1
TX2
RX2
CHPA
CTRM
CDDU
CTRM
CHPA
CCPM
CCPM
Electrical interface
Electrical interface
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CTRM’s FunctionsCTRM’s Functions
•In the reverse link, the CTRM receives the main and diversity RF signa
ls from the antenna and feeder subsystem, and then changes them int
o baseband signals through down conversion, wave filtering and multi
plexing. Finally the CTRM sends the baseband signals to the baseband
subsystem.
•In the forward link, the CTRM receives the baseband signals from the
baseband subsystem, and then changes them into RF signals through
de-multiplexing, wave filtering and up conversion. Finally the CTRM se
nds the RF signals to the RF subsystem through the CDDU.
•Supported band: 450 MHz, 800 MHz, and 1900 MHz
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CTRMCTRM
CTRM facet CTRM facet DRI
Inputs Diversity Receive signals
MROOutputs Main
Receive signals
RF Subsystem
MRI Inputs Main
Receive signals
TX1 /Tx2Leads out to
CHPA
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CHPA’s Functions
RF power amplification
Over-temperature alarm
Over-excited alarm
Gain decrease alarm
OUT
IN
OUT
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CDDU’s FunctionsCDDU’s Functions
Provide duplex isolator and low
band filter for two receiving and transmitting
signals.
Test the coupling of transmitting and receiving signals.
TX1
TX2
RX1
RX2
TX1/RX1
TX1
TX2
RX1
RX2
TX1/RX1 ANT
TX2/RX2 ANT
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CDDU facetCDDU facet
CDDUCDDU
CDDU
TX1/RX1-TEST
TX2/RX2-TEST
TX
2/R
X2-
AN
T
TX
1/R
X1-
AN
T
TX/RX to antenna
Subsystem
Transmit signals
From CHPA
Receive signals
To CTRM
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Configuration of RF Subsystem 1Configuration of RF Subsystem 1
CDDUCHPA
CTRM
Antenna
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Configuration of RF Subsystem 2Configuration of RF Subsystem 2
CDDUCHPA
CTRM
Antenna
CHPACTRM
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Chapter 2 Structure & Board Chapter 2 Structure & Board
2.1 Hardware Construct
2.2 Baseband Subsystem
2.3 Radio Frequency Subsystem
2.4 Antenna & Feeder Subsystem2.4 Antenna & Feeder Subsystem
2.5 Power Supply Subsystem
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RF Antenna &FeederRF Antenna &Feeder
Sect
or ¦B
Sect
or¦A
Sect
or¦C
Antenna
Feeder
Jumper
Jumper
BTS cabinet
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Note: BTS3606 receiver is provided by CLK on BCKM.
Dual-satellite Synchronization Antenna & FeederDual-satellite Synchronization Antenna & Feeder
Inner cable
Receiver on BCKM
GPS/GLONASS receiving antenna
Feeder
Jumper
BTS3606 cabinet
Lighting arrester
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Chapter 2 Structure & Board Chapter 2 Structure & Board
2.1 Hardware Construct
2.2 Baseband Subsystem
2.3 Radio Frequency Subsystem
2.4 Antenna & Feeder Subsystem
2.5 Power Supply Subsystem2.5 Power Supply Subsystem
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BTS3606 Power Supply SubsystemBTS3606 Power Supply Subsystem
Subsystem uses three PSUs in full configuration. The P
SUs work in the 2+1 redundancy mode. Can use -48 V DC input or +24 V DC input. Input voltage: -40VDC~ -60VDC( only-48V input)OUT voltage:+27V
pow
er d
istr
ibut
ion
and
light
ning
pro
tect
ion
DC/DC DC/DC DC/DC
EMI
Filter-48V
+27VDC OUT
Load
Moitoringserial port
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Course ContentsCourse Contents
Chapter 1 System Overview
Chapter 2 Structure & Board
Chapter 3 Networking
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O1/S1 NetworkingO1/S1 Networking
É ÈÇ øA É ÈÇ øB É ÈÇ øC
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
D1 D2
D4
D3
Sector A Sector B Sector C
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O2 NetworkingO2 Networking
É ÈÇ øA É ÈÇ øB É ÈÇ øC
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
D4
D8D7
D6
D3
D5
D1
D2
Sector A Sector B Sector C
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S1/1/1 NetworkingS1/1/1 Networking
É ÈÇ øA É ÈÇ øB É ÈÇ øC
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
D1
D4
D3
D2
D7
D12
D11
D10D9
D8
D6D5
Sector A Sector B Sector C
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S2/2/2 NetworkingS2/2/2 Networking
É ÈÇ øA É ÈÇ øB É ÈÇ øC
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
TX1
TX2
CTRM
RX2
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
RX1
CDDU
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
CTRM
PAout
TX1
TX2
MRO
MRI
DRI
PAin
CHPA
D8
D20
D10D5
D6
D19
D18
D16
D17
D2
D4
D3
D14
D13
D23
D11
D22
D9
D7 D12
D24
D15
D1
D21
Sector A Sector B Sector C
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